CN209823333U

CN209823333U - PVC-U insulating electrical sleeve

Info

Publication number: CN209823333U
Application number: CN201920563194.4U
Authority: CN
Inventors: 冯平
Original assignee: Sichuan Lanchen Pipe Industry Co Ltd
Current assignee: Sichuan Lanchen Pipe Industry Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2019-12-20
Anticipated expiration: 2029-04-23

Abstract

The utility model relates to an insulating electrician's sleeve pipe of PVC-U belongs to polymer tubular product technical field, including sleeve pipe and connecting pipe, the both ends of connecting pipe are provided with the connector, and the one end that the connecting pipe was kept away from to the connector has seted up the bar hole along the axial of connecting pipe, and the bar hole on every connector has all evenly seted up a plurality ofly along the circumference of connector, and the external diameter that the one end of connecting pipe was kept away from to the connector is great, and the external screw thread has been seted up to the outer wall of connector, and. When the connecting device is installed, the two sleeves are respectively inserted into the connecting head in parallel, certain pressure is applied to the sleeves into the connecting pipe, then the sleeve ring is rotated to enable the sleeve ring to move towards the end part of the connecting head, and because the outer diameter of one end, far away from the connecting pipe, of the connecting head is larger, the connecting head is extruded in the moving process of the sleeve ring, the inner wall of the connecting head is gradually pressed with the sleeves, and the connecting head and the sleeves are tightly clamped; thereby realize sheathed tube connection fixed, simple to operate, and the effectual sleeve pipe that prevents is not hard up.

Description

PVC-U insulating electrical sleeve

Technical Field

The utility model relates to a polymer tubular product technical field, in particular to PVC-U insulating electrician's sleeve pipe.

Background

Insulating electrical bushings are generally used as a material for organizing and routing a plurality of wires. The sleeves used indoors at present are generally longer, because the length of the sleeve cannot be determined, and a user can cut off the longer sleeve according to specific needs according to needs. Although this approach can accommodate various length requirements of the indoor sleeve, it also enables the sleeve to ensure a seamless, unitary construction.

When two sleeves are connected, the sleeve with the larger diameter is usually used as a connector and sleeved on the two sleeves to realize the connection of the two sleeves. However, the surface of the PVC sleeve is smooth, which easily causes the connector to loosen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating electrician's sleeve pipe of PVC-U has the bushing of being convenient for, and bushing is inseparable advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an insulating electrician's sleeve pipe of PVC-U, includes sleeve pipe and connecting pipe, the both ends of connecting pipe are provided with the connector, the one end that the connecting pipe was kept away from to the connector has seted up the bar hole along the axial of connecting pipe, and the bar hole on every connector has all evenly seted up a plurality ofly along the circumference of connector, the projection of connector on the horizontal plane is isosceles trapezoid, and the external diameter that the one end of connecting pipe was kept away from to the connector is great, the external screw thread has been seted up to the outer wall of connector, the thread bush.

When the technical scheme is implemented, two sleeves are respectively inserted into the connector in parallel, certain pressure is applied to the sleeves in the connecting pipe, then the sleeve ring is rotated to enable the sleeve ring to move towards the end part of the connector, and the outer diameter of one end, far away from the connecting pipe, of the connector is larger, so that the connector is extruded in the moving process of the sleeve ring, the inner wall of the connector is gradually pressed with the sleeves, and the connector is tightly clamped with the sleeves; thereby realize sheathed tube connection fixed, simple to operate, and the effectual sleeve pipe that prevents is not hard up.

The utility model discloses further set up to: and a boss used for being abutted against the sleeve is fixedly arranged on the inner wall of the connecting pipe.

By implementing the technical scheme, the end part of the sleeve is tightly abutted to the lug during installation, so that the sealing performance between the sleeve and the connecting pipe is improved, and the water permeation into the sleeve is reduced.

The utility model discloses further set up to: and a sealing ring is arranged on the boss and is abutted against the end part of the sleeve.

By implementing the technical scheme and arranging the sealing ring, the sealing performance between the sleeve and the connecting pipe is effectively improved, and the water permeation into the sleeve is reduced.

The utility model discloses further set up to: the boss is close to sheathed tube terminal surface and has seted up the mounting groove along the axial of connecting pipe, it is provided with the installation piece to slide in the mounting groove, the sealing washer bonds in the installation piece and is close to sheathed tube one end, be provided with in the mounting groove and be used for ordering about the installation piece and support tight elastic component with the sleeve pipe.

Implement above-mentioned technical scheme, during the installation, promote the sleeve pipe in to the connecting tube, make sleeve pipe and sealing washer butt to promote the installation piece to the mounting groove internal motion, and the elasticity of elastic component orders about installation piece and sleeve pipe and supports tightly, and the installation piece can be followed the mounting groove and slided, can make the sleeve pipe butt of the different degree of depth in sealing washer and the insertion connecting tube, increases the suitability.

The utility model discloses further set up to: the elastic piece is a spring, one end of the spring is abutted against the bottom wall of the mounting groove, and the other end of the spring is fixedly connected with the mounting block.

According to the technical scheme, the elastic force of the spring drives the sealing ring to be tightly abutted to the end part of the sleeve, and the sealing performance is improved.

The utility model discloses further set up to: the inner wall of connector sets up along sleeve pipe axial slope, and the connector keeps away from the internal diameter of the one end of connecting pipe great.

Implement above-mentioned technical scheme, the internal diameter of connector reduces from the tip to inside gradually, in the bushing insert connector of being convenient for, sleeve pipe simple to operate.

The utility model discloses further set up to: and a flange for preventing the lantern ring from being separated from the connector is fixedly arranged on the connector.

Implement above-mentioned technical scheme, the setting of flange plays the purpose that prevents the lantern ring and break away from the connector.

The utility model discloses further set up to: the connecting pipe is fixedly provided with a mounting seat, and the mounting seat is fixedly provided with a clamping ring which is used for being clamped with the sleeve.

Implement above-mentioned technical scheme, during the installation, snap ring and other sleeve pipes joint play the purpose of fixed sleeve pipe position, simple to operate.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

firstly, during installation, two sleeves are respectively inserted into a connector in parallel, certain pressure is applied to the sleeves to the connecting pipe, then the sleeve ring is rotated to enable the sleeve ring to move towards the end part of the connector, and as the outer diameter of one end of the connector, which is far away from the connecting pipe, is larger, the connector is extruded in the moving process of the sleeve ring, the inner wall of the connector is gradually pressed with the sleeves, and the connector is tightly clamped with the sleeves; therefore, the connection and fixation of the sleeve are realized, the installation is convenient, and the sleeve is effectively prevented from loosening;

when the mounting device is mounted, the sleeve is pushed into the connecting pipe, so that the sleeve is abutted to the sealing ring, the mounting block is pushed to move towards the mounting groove, the mounting block is driven to be abutted to the sleeve by the elastic force of the elastic piece, the mounting block can slide along the mounting groove, the sealing ring can be abutted to sleeves inserted into the connecting pipe at different depths, and the applicability is improved;

and thirdly, the inner diameter of the connector is gradually reduced from the end part to the inside, so that the sleeve can be conveniently inserted into the connector, and the sleeve can be conveniently installed.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a sleeve; 2. a connecting pipe; 3. a connector; 31. a strip-shaped hole; 32. an external thread; 33. a collar; 34. blocking edges; 4. a boss; 41. a seal ring; 42. mounting grooves; 421. mounting blocks; 422. a spring; 5. a mounting seat; 51. a snap ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a PVC-U insulating electrical bushing includes a bushing 1 and a connecting pipe 2, the bushing 1 has two equal diameters, two ends of the connecting pipe 2 are provided with connectors 3, and the connectors 3 are made of plastic with certain elasticity and ductility; one end of the connector 3, which is far away from the connecting pipe 2, is provided with a plurality of strip-shaped holes 31 along the axial direction of the connecting pipe 2, and the strip-shaped holes 31 on each connector 3 are uniformly formed along the circumferential direction of the connector 3; during installation, the depth of the sleeve inserted into the connector 3 is greater than the length of the strip-shaped hole 31.

As shown in fig. 1, the projection of the connector 3 on the horizontal plane is isosceles trapezoid, the outer diameter of the end of the connector 3 far away from the connecting pipe 2 is large, the outer wall of the connector 3 is provided with an external thread 32, the connector 3 is provided with a lantern ring 33 in a threaded sleeve manner, and the lantern ring 33 is made of stainless steel. The inner wall of the connector 3 is obliquely arranged along the axial direction of the sleeve 1, and the inner diameter of one end of the connector 3, which is far away from the connecting pipe 2, is larger; the inner diameter of the connector 3 is gradually reduced from the end part to the inside, so that the sleeve 1 can be conveniently inserted into the connector 3, and the sleeve 1 is convenient to install.

As shown in fig. 2, a boss 4 for abutting against the sleeve 1 is fixedly provided on the inner wall of the connection pipe 2, a seal ring 41 is provided on the boss 4, the seal ring 41 abuts against the end portion of the sleeve 1, and the seal ring 41 is a rubber ring and is bonded to the side wall of the boss 4 close to the sleeve 1. When the sleeve is installed, the end part of the sleeve 1 is tightly abutted to the sealing ring 41, so that the sealing performance between the sleeve 1 and the connecting pipe 2 is improved, and the water infiltration into the sleeve 1 is reduced.

As shown in fig. 2 and 3, an installation groove 42 is formed in the end surface of the boss 4 close to the sleeve 1 along the axial direction of the connection pipe 2, an installation block 421 is slidably arranged in the installation groove 42, the sealing ring 41 is bonded at one end of the installation block 421 close to the sleeve 1, an elastic member for urging the installation block 421 to abut against the sleeve 1 is arranged in the installation groove 42, the elastic member is a spring 422, one end of the spring 422 abuts against the bottom wall of the installation groove 42, and the other end of the spring is fixedly connected with the installation block 421.

During the installation, promote sleeve pipe 1 in to connecting pipe 2, make sleeve pipe 1 and sealing washer 41 butt to promote installation piece 421 to the interior motion of mounting groove 42, and the elasticity of elastic component orders about installation piece 421 and sleeve pipe 1 and supports tightly, and installation piece 421 can slide along mounting groove 42, can make sealing washer 41 and the sleeve pipe 1 butt of the different degree of depth in inserting connecting pipe 2, increase the suitability.

As shown in fig. 1, in order to prevent the collar 33 from being detached from the connecting head 3, a rib 34 for preventing the collar 33 from being detached from the connecting head 3 is fixedly provided on the connecting head 3.

In addition, as shown in fig. 1, a mounting seat 5 is fixedly arranged on the connecting pipe 2, a snap ring 51 used for being clamped with the sleeve 1 is fixedly arranged on the mounting seat 5, and the snap ring 51 is C-shaped; during installation, the snap ring 51 is clamped with other sleeves 1, the purpose of fixing the positions of the sleeves 1 is achieved, and the installation is convenient.

The specific working process is as follows: during installation, the two sleeves 1 are respectively inserted into the connector 3 in parallel, certain pressure is applied to the sleeves 1 to the connecting pipe 2, then the lantern ring 33 is rotated, the lantern ring 33 moves towards the end part of the connector 3, and the connector 3 is extruded in the moving process of the lantern ring 33 because the outer diameter of one end, far away from the connecting pipe 2, of the connector 3 is large, the inner wall of the connector 3 is gradually pressed against the sleeves 1, and the connector 3 is tightly clamped with the sleeves 1; thereby realize that the connection of sleeve pipe 1 is fixed, simple to operate, and effectual sleeve pipe 1 that prevents is not hard up.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a PVC-U insulating electrician's sleeve pipe which characterized in that: including sleeve pipe (1) and connecting pipe (2), the both ends of connecting pipe (2) are provided with connector (3), bar hole (31) have been seted up along the axial of connecting pipe (2) to the one end that connecting pipe (2) were kept away from in connector (3), and bar hole (31) on every connector (3) have all evenly seted up a plurality ofly along the circumference of connector (3), the projection of connector (3) on the horizontal plane is isosceles trapezoid, and the external diameter that connecting pipe (2) were kept away from in connector (3) is great, external screw thread (32) have been seted up to the outer wall of connector (3), threaded sleeve is equipped with lantern ring (33) on connector (3).

2. The PVC-U insulated electrical conduit according to claim 1, wherein: the inner wall of the connecting pipe (2) is fixedly provided with a boss (4) which is used for being abutted against the sleeve (1).

3. A PVC-U insulating electrical bushing according to claim 2, characterized in that: and a sealing ring (41) is arranged on the boss (4), and the sealing ring (41) is abutted against the end part of the sleeve (1).

4. A PVC-U insulating electrical bushing according to claim 3, characterized in that: boss (4) are close to the terminal surface of sleeve pipe (1) and have seted up mounting groove (42) along the axial of connecting pipe (2), it is provided with installation piece (421) to slide in mounting groove (42), sealing washer (41) bond in the one end that installation piece (421) are close to sleeve pipe (1), be provided with in mounting groove (42) and be used for ordering about installation piece (421) and sleeve pipe (1) support tight elastic component.

5. The PVC-U insulating electrical bushing of claim 4, wherein: the elastic piece is a spring (422), one end of the spring (422) is abutted against the bottom wall of the mounting groove (42), and the other end of the spring is fixedly connected with the mounting block (421).

6. The PVC-U insulated electrical conduit according to claim 1, wherein: the inner wall of the connector (3) is arranged along the axial direction of the sleeve (1) in an inclined mode, and the inner diameter of one end, far away from the connecting pipe (2), of the connector (3) is large.

7. The PVC-U insulated electrical conduit according to claim 1, wherein: the connector (3) is fixedly provided with a flange (34) for preventing the lantern ring (33) from being separated from the connector (3).

8. The PVC-U insulated electrical conduit according to claim 1, wherein: the connecting pipe (2) is fixedly provided with a mounting seat (5), and the mounting seat (5) is fixedly provided with a clamping ring (51) which is connected with the sleeve (1) in a clamping manner.