CN216284122U

CN216284122U - Shrinkage terminal gas tightness detects auxiliary device

Info

Publication number: CN216284122U
Application number: CN202123070851.8U
Authority: CN
Inventors: 周向雨; 刘云峰
Original assignee: HANGZHOU XIGER ELECTRICITY CO Ltd
Current assignee: HANGZHOU XIGER ELECTRICITY CO Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-04-12
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses an auxiliary device for detecting the air tightness of a cold contraction terminal, which comprises a base, a moving mechanism, a support column and a sealing mechanism, wherein the sealing mechanism comprises a motor I, a drive rod, a support cylinder, a seal sleeve and a reinforced sealing assembly, the outer side wall of the support column is fixedly connected with the motor I, the output end of the motor I is connected with the drive rod, the inner side wall of the support column is fixedly connected with the support cylinder, the outer surface of the support cylinder, close to the other end of the support cylinder, is fixedly connected with the seal sleeve, the other end of the drive rod penetrates through the support column, extends into the support cylinder and is connected with the reinforced sealing assembly, the other end of the reinforced sealing assembly is arranged in the seal sleeve and is connected with the seal sleeve in a sliding manner, and the drive rod is connected with the reinforced sealing assembly in a rotating manner. The utility model has the advantages of tight sealing, simple structure, flexible operation and high detection precision for the air tightness of the cold-shrink terminal.

Description

Shrinkage terminal gas tightness detects auxiliary device

Technical Field

The utility model relates to the technical field of production and manufacturing of cold-shrink terminals, in particular to an auxiliary device for detecting the air tightness of a cold-shrink terminal.

Background

The cold shrinkage terminal is made of elastomer (commonly used silicone rubber and ethylene propylene rubber) through injection vulcanization molding in factory, diameter expansion and plastic spiral support lining to form the parts of various cable accessories. When the cable is installed on site, the pre-expansion pieces are sleeved at the tail end or joint of the treated cable, the plastic spiral strip (support) supported inside is drawn out, and the plastic spiral strip is pressed on the cable insulation to form the cable accessory.

The shrinkage terminal need pass through the gas tightness after production and detect, whether there is the gas tightness problem in the insulating rubber that detects the shrinkage terminal outside, if there is the gas tightness problem can influence the use, and the in-service use process produces the electric leakage to cause the incident. The existing cold-shrink terminal airtightness detection plugs up the two sides of the cold-shrink terminal, the outer surface uses the airtightness detection device to carry out airtightness detection on the outer surface, and the cold-shrink terminal has certain softness due to the fact that the cold-shrink terminal belongs to a rubber product, and the auxiliary device plugged up the two sides of the cold-shrink terminal often causes air leakage or loose sealing, so that the detection result is not accurate.

Therefore, the auxiliary device for detecting the air tightness of the cold-shrink terminal is designed to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary device for detecting the air tightness of a cold-shrink terminal, which solves the problems that in the prior art, the air tightness of the cold-shrink terminal is detected to block two sides of the cold-shrink terminal, the air tightness of the outer surface of the cold-shrink terminal is detected by using an air tightness detecting device, and the detection result is inaccurate because the cold-shrink terminal belongs to a rubber product and has certain softness, and the auxiliary device blocking the two sides of the cold-shrink terminal often causes air leakage or loose sealing.

The technical scheme adopted by the utility model is as follows:

an auxiliary device for detecting the air tightness of a cold shrinkage terminal comprises a base, wherein a moving mechanism is arranged in the base, a supporting column is arranged on the moving mechanism, a sealing mechanism is arranged on the side wall of the supporting column close to the top end, the sealing mechanism comprises a motor I, a driving rod, a supporting cylinder, a sealing sleeve and a reinforced sealing assembly, the outer side wall of the supporting column is fixedly connected with the first motor, the output end of the first motor is connected with the driving rod, the inner side wall of the support column is fixedly connected with the support cylinder, the outer surface of the support cylinder close to the other end is fixedly connected with the seal sleeve, the other end of the driving rod penetrates through the supporting column and extends into the supporting cylinder and is connected with the reinforced sealing component, the other end of the reinforced sealing assembly is arranged in the sealing sleeve and is in sliding connection with the sealing sleeve, and the driving rod is in rotating connection with the reinforced sealing assembly. The supporting column is driven to move through the moving mechanism, the two ends of the cold-contraction terminal are plugged by the sealing mechanism on the supporting column, the two ends of the cold-contraction terminal are plugged by the sealing sleeve on the supporting cylinder, the first starting motor drives the driving rod to rotate to drive the reinforcing sealing assembly to move, the reinforcing sealing assembly moves towards the end of the cold-contraction terminal and extrudes the sealing sleeve at the time, and therefore the two ends of the cold-contraction insulating tube are further plugged by the aid of expansion of the sealing sleeve, sealing is tight, and detection accuracy of air tightness is improved.

Further, the seal cover is of a round table-shaped structure, one side, with a large round table-shaped bottom surface, of the seal cover is fixedly connected with the support cylinder, and one side, with a small round table-shaped bottom surface, of the seal cover is sleeved in the cold contraction terminal.

Furthermore, the reinforced sealing assembly comprises a connecting block and an expansion end fixedly arranged at the end part of the connecting block and in a round platform-shaped structure, a threaded hole matched with the driving rod is formed in the connecting block, the driving rod is in threaded connection with the threaded hole, and the expansion end is arranged in the sealing sleeve and is in sliding connection with the sealing sleeve on the side with the small round platform-shaped bottom surface. The driving rod and the threaded hole which are connected through threads drive the connecting block to move towards the end part of the cold-contraction terminal, the connecting block drives the flaring end to move and extrude the sealing sleeve to expand, the sealing sleeve expands to abut against the inner wall of the end part of the cold-contraction terminal to enhance the sealing performance, and the sealing sleeve belongs to a flexible material and has certain toughness and is convenient to expand.

Further, the moving mechanism comprises a second motor, a two-way threaded screw and a sliding block, one end of the two-way threaded screw is connected with the second motor, the other end of the two-way threaded screw penetrates through the base and extends into the base, the base is internally connected with the side wall of the base in a rotating mode, the two-way threaded screw is connected with the two groups of sliding blocks in a threaded mode, the two groups of sliding blocks slide relatively, and the sliding blocks are fixedly connected with the supporting columns. Two-way screw rod of motor drive through setting up rotates to drive two sets of sliding blocks or opposite movement in opposite directions, the sliding block removes and drives the support column and removes, is convenient for satisfy the shrinkage terminal of different length size and carries out the shutoff, convenient and fast, the practicality is strong.

Further, the seal cover is made of rubber.

The utility model has the beneficial effects that:

1. the supporting column is driven to move through the moving mechanism, the two ends of the cold-contraction terminal are plugged by the sealing mechanism on the supporting column, the two ends of the cold-contraction terminal are plugged by the sealing sleeve on the supporting cylinder, the first starting motor drives the driving rod to rotate to drive the reinforcing sealing assembly to move, the reinforcing sealing assembly moves towards the end of the cold-contraction terminal and extrudes the sealing sleeve at the time, and therefore the two ends of the cold-contraction insulating tube are further plugged by the aid of expansion of the sealing sleeve, sealing is tight, and detection accuracy of air tightness is improved.

2. The driving rod and the threaded hole which are connected through threads drive the connecting block to move towards the end part of the cold-contraction terminal, the connecting block drives the flaring end to move and extrude the sealing sleeve to expand, the sealing sleeve expands to abut against the inner wall of the end part of the cold-contraction terminal to enhance the sealing performance, and the sealing sleeve belongs to a flexible material and has certain toughness and is convenient to expand.

3. Two-way screw rod of motor drive through setting up rotates to drive two sets of sliding blocks or opposite movement in opposite directions, the sliding block removes and drives the support column and removes, is convenient for satisfy the shrinkage terminal of different length size and carries out the shutoff, convenient and fast, the practicality is strong.

Drawings

FIG. 1 is a schematic view of an auxiliary device for detecting airtightness of a cold-shrink terminal according to the present invention;

FIG. 2 is an enlarged view of the portion A of the auxiliary device for detecting the airtightness of the cold-shrink terminal.

Description of the reference numerals

1-base, 2-moving mechanism, 21-motor two, 22-two-way threaded screw, 23-sliding block, 3-supporting column, 4-sealing mechanism, 41-motor one, 42-driving rod, 43-supporting cylinder, 44-sealing sleeve, 45-reinforced sealing component, 451-connecting block, 4511-threaded hole, 452-flared end.

Detailed Description

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an auxiliary device for detecting airtightness of a cold shrinkage terminal comprises a base 1, a moving mechanism 2 is arranged in the base 1, a support column 3 is arranged on the moving mechanism 2, a sealing mechanism 4 is arranged on a side wall of the support column 3 close to the top end, the sealing mechanism 4 comprises a motor 41, a drive rod 42, a support cylinder 43, a seal sleeve 44 and a reinforced sealing assembly 45, an outer side wall of the support column 3 is fixedly connected with the motor 41, an output end of the motor 41 is connected with the drive rod 42, an inner side wall of the support column 3 is fixedly connected with the support cylinder 43, an outer surface of the support cylinder 43 close to the other end is fixedly connected with the seal sleeve 44, the other end of the drive rod 42 penetrates through the support column 3 and extends into the support cylinder 43 and is connected with the reinforced sealing assembly 45, the other end of the reinforced sealing assembly 45 is arranged in the seal sleeve 44 and is slidably connected with the seal sleeve 44, the drive rod 42 is rotatably connected to the reinforced seal assembly 45.

The sealing sleeve 44 is of a circular truncated cone-shaped structure, the sealing sleeve 44 is fixedly connected with the supporting cylinder 43 on the side with the large circular truncated cone-shaped bottom surface, and the sealing sleeve 44 is sleeved in the cold-shrink terminal on the side with the small circular truncated cone-shaped bottom surface.

The reinforced sealing assembly 45 comprises a connecting block 451 and a flared end 452 fixedly arranged at the end of the connecting block 451 and in a circular truncated cone-shaped structure, a threaded hole 4511 matched with the driving rod 42 is formed in the connecting block 451, the driving rod 42 is in threaded connection with the threaded hole 4511, and the flared end 452 is arranged in the sealing sleeve 44 and is in sliding connection with the sealing sleeve 44 on the side with the small circular truncated cone-shaped bottom surface.

The moving mechanism 2 comprises a second motor 21, a two-way threaded screw rod 22 and a sliding block 23, one end of the two-way threaded screw rod 22 is connected with the second motor 21, the other end of the two-way threaded screw rod 22 penetrates through the base 1 and extends to the inside of the base 1 and the side wall of the base 1 are rotatably connected, the two-way threaded screw rod 22 is connected with the two sets of sliding

blocks

23 and 23 in a threaded mode, and the sliding blocks 23 are fixedly connected with the supporting columns 3.

The sealing sleeve 44 is made of rubber.

The working process of the utility model is described in detail below: when the cold-shrink terminal sealing device is used, the two-way threaded screw rod 22 is driven to rotate by the second motor 21, the two groups of sliding blocks 23 are driven to move oppositely or oppositely, the sliding blocks 23 move to drive the supporting columns 3 to move, the positions of the supporting columns 3 are adjusted to enable the two ends of the cold-shrink terminal to be sleeved outside the sealing sleeves 44 and tightly sleeved, the first motor 41 is started, the first motor 41 drives the driving rods 42 to rotate, the driving rods 42 are in threaded connection with the threaded holes 4511 to drive the connecting blocks 451 to move towards the end parts of the cold-shrink terminal, the connecting blocks 451 drive the flaring ends 452 to move and extrude the sealing sleeves 44 to expand, the sealing sleeves 44 expand to abut against the inner walls of the end parts of the cold-shrink terminal to enhance the sealing performance, and the sealing sleeves 44 are made of rubber materials and are convenient to expand. The utility model has the advantages of tight sealing, simple structure, flexible operation and high detection precision for the air tightness of the cold-shrink terminal.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shrinkage terminal gas tightness detects auxiliary device, a serial communication port, including base (1), be provided with moving mechanism (2) in base (1), moving mechanism (2) are last to be provided with support column (3), the lateral wall that support column (3) are close to the top is provided with sealing mechanism (4), sealing mechanism (4) are including motor (41), actuating lever (42), support section of thick bamboo (43), seal cover (44) and strengthen seal assembly (45), the lateral wall fixed connection of support column (3) motor (41), the output of motor (41) is connected actuating lever (42), the inside wall fixed connection of support column (3) support section of thick bamboo (43), support section of thick bamboo (43) and be close to the outer fixed surface connection of the other end seal cover (44), the other end of actuating lever (42) runs through support column (3) and extend to support section of thick bamboo (43) in and connect support section of thick bamboo (43) and connect The other end of the reinforcing sealing assembly (45) is arranged in the sealing sleeve (44) and is in sliding connection with the sealing sleeve (44), and the driving rod (42) is in rotating connection with the reinforcing sealing assembly (45).

2. The cold-shrink terminal airtightness detection auxiliary device according to claim 1, wherein the sealing sleeve (44) is of a circular truncated cone-shaped structure, the sealing sleeve (44) is fixedly connected to the support cylinder (43) on the side with the large circular truncated cone-shaped bottom surface, and the sealing sleeve (44) is sleeved in the cold-shrink terminal on the side with the small circular truncated cone-shaped bottom surface.

3. The cold-shrink terminal airtightness detection auxiliary device according to claim 2, wherein the reinforcing seal assembly (45) comprises a connecting block (451) and a flared end (452) fixedly arranged at an end portion of the connecting block (451) and having a truncated cone-shaped structure, a threaded hole (4511) matched with the driving rod (42) is arranged inside the connecting block (451), the driving rod (42) is in threaded connection with the threaded hole (4511), and the flared end (452) is arranged in the sealing sleeve (44) and is in sliding connection with the sealing sleeve (44) on a side with a smaller truncated cone-shaped bottom surface.

4. The cold-shrink terminal airtightness detection auxiliary device according to claim 1, wherein the moving mechanism (2) comprises a second motor (21), a two-way threaded screw (22) and sliding blocks (23), one end of the two-way threaded screw (22) is connected with the second motor (21), the other end of the two-way threaded screw (22) penetrates through the base (1) and extends into the base (1) to be rotatably connected with the side wall of the base (1), two sets of sliding blocks (23) are in threaded connection with the two-way threaded screw (22), the two sets of sliding blocks (23) slide relatively, and the supporting columns (3) are fixedly connected to the sliding blocks (23).

5. The cold-shrink terminal airtightness detection auxiliary device according to claim 1, wherein the sealing sleeve (44) is made of a rubber material.