CN209948641U

CN209948641U - Shrinkage finger stall for cable

Info

Publication number: CN209948641U
Application number: CN201921225198.8U
Authority: CN
Inventors: 蔡仁华
Original assignee: Suzhou Weineng Cold And Heat Shrinkable Materials Co Ltd
Current assignee: Suzhou Weineng Cold And Heat Shrinkable Materials Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-01-14
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a shrinkage dactylotheca for cable, including sleeve pipe, vial, fixed block, elasticity rope, support ring, ball, fastening screw, guide arm, spiral shell section of thick bamboo one, spiral shell section of thick bamboo two, circular slot, support frame, slider, spout and spring. The utility model discloses utilize fastening screw with fixed block fixed mounting at sleeve pipe top intermediate position, install the support ring on the vial ring side, when cable conductor pulling vial slope, make support ring offset, and then stretch to the elasticity rope, the elasticity of elasticity rope is avoided drawing the transition of vial and is dragged, reduce the probability of vial damage, install the support ring on vial ring side, the vial extrudees the ball, and then drive support frame and slider and remove, make the spring produce elasticity, the elasticity of spring makes the ball hug closely vial ring side, the design of ball has reduced the frictional force between support ring and the vial.

Description

Shrinkage finger stall for cable

Technical Field

The utility model relates to a shrinkage dactylotheca specifically is a shrinkage dactylotheca for cable belongs to shrinkage pipe technical field.

Background

The cold-shrinkable cable accessories are made up by using elastomer material and making it undergo the processes of injection vulcanization moulding in factory, diameter-expanding and lining with plastic spiral support. During field installation, the pre-expansion pieces are sleeved at the tail end or joint of the treated cable, the plastic spiral strip supported inside is drawn out, and the plastic spiral strip is pressed on the cable insulation to form the cable accessory.

The cold contraction dactylotheca that uses at present has certain defect, lacks the shrink limit function to the dactylotheca, causes inconveniently to stretch to the dactylotheca, causes the cable conductor to pass through easily and draws and drag the dactylotheca, causes the dactylotheca to damage with sheathed tube junction, lacks laminating mechanism simultaneously, causes the support ring inconvenient and the laminating of dactylotheca annular side, and then causes the support ring easy landing to the dactylotheca bottom, reduces the spacing effect to the dactylotheca. Therefore, a cold shrink finger sleeve for cables is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shrinkage dactylotheca for cable in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes an above-mentioned purpose shrinkage dactylotheca for cable: the device comprises a sleeve, finger tubes, a contraction mechanism and a fitting mechanism, wherein the top ends of the sleeve are uniformly provided with the three finger tubes;

the contraction mechanism comprises a fixed block, elastic ropes, a support ring, balls and fastening screws, the fixed block is fixedly mounted in the middle of the top end of the sleeve, the three elastic ropes are mounted on the annular side face of the fixed block, one end of each elastic rope is fixedly mounted on the support ring, the support ring is mounted on the annular side face of the vial, the three balls are uniformly mounted in the support ring, the spherical side faces of the balls are attached to the annular side face of the vial, the fastening screws are mounted at the top ends of the fixed blocks, and one ends of the fastening screws penetrate through the fixed block to be connected with the sleeve;

laminating mechanism includes circular slot, support frame, slider, spout and spring, three circular slot is evenly seted up to support ring inside, circular slot internally mounted support frame, and the support frame is installed on the spherical side of ball, two spouts are seted up to the inside symmetry of circular slot, two sliders of symmetry installation on the support frame annular side, the slider is installed inside the spout, spout internally mounted spring, and spring both ends fixed mounting on the slider and the inside top of spout.

Preferably, a first screw cylinder is installed inside the finger tube, a first internal thread is formed inside the finger tube, and the first screw cylinder is connected with the finger tube through the first internal thread.

Preferably, a second screw cylinder is installed inside the sleeve, a second internal thread is formed inside the sleeve, and the second screw cylinder is connected with the sleeve through the second internal thread.

Preferably, a guide rod is fixedly installed inside the sliding groove, a sliding block and a spring are installed on the annular side face of the guide rod, a through hole is formed in one end of the sliding block, and the guide rod is installed inside the through hole.

Preferably, one end of the elastic rope is fixedly arranged on the annular side face of the fixed block through a first screw, and one end of the elastic rope is fixedly arranged on the annular side face of the support ring through a second screw.

Preferably, three arc grooves are uniformly formed in the support ring, compression springs are fixedly installed in the arc grooves, and one ends of the compression springs are fixedly installed on the arc plates.

The utility model has the advantages that:

1. the fixing block is fixedly arranged at the middle position of the top end of the sleeve by using the fastening screw, the support ring is arranged on the annular side face of the finger tube, when the finger tube is pulled to incline by a cable, the position of the support ring is deviated, the elastic rope is further stretched, the elastic force of the elastic rope avoids the excessive pulling of the finger tube, the probability of damage of the finger tube is reduced, and the problems that the finger tube is inconvenient to stretch due to the lack of a contraction limiting function of the finger tube, the finger tube is easily stretched due to the excessive pulling of the cable wire, and the joint of the finger tube and the sleeve is damaged are solved;

2. the second beneficial effect installs the support ring on the vial annular side, and the vial extrudees the ball, and then drives support frame and slider and remove for the spring produces elasticity, and the elasticity of spring makes the ball hug closely vial annular side, and the design of ball has reduced the frictional force between support ring and the vial, has solved and has lacked laminating mechanism, causes the support ring inconvenient and the laminating of vial annular side, and then causes the support ring to slide easily to the vial bottom, reduces the drawback to the spacing effect of vial.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the retracting mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the laminating mechanism of the present invention;

fig. 4 is a partial enlarged view of the position a of the present invention.

In the figure: 1. the device comprises a sleeve, 2, a finger tube, 3, a fixing block, 4, an elastic rope, 5, a support ring, 6, a ball, 7, a fastening screw, 8, a guide rod, 9, a first screw cylinder, 10, a second screw cylinder, 11, a circular groove, 12, a support frame, 13, a sliding block, 14, a sliding groove, 15 and a spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a cold-shrink finger sleeve for cables comprises a sleeve 1, finger tubes 2, a shrinking mechanism and a fitting mechanism, wherein the top end of the sleeve 1 is uniformly provided with the three finger tubes 2;

the contraction mechanism comprises a fixed block 3, elastic ropes 4, a support ring 5, balls 6 and fastening screws 7, the fixed block 3 is fixedly installed at the middle position of the top end of the sleeve 1, the three elastic ropes 4 are installed on the annular side surface of the fixed block 3, one end of each elastic rope 4 is fixedly installed on the support ring 5, the support ring 5 is installed on the annular side surface of the vial 2, the three balls 6 are uniformly installed in the support ring 5, the spherical side surface of each ball 6 is attached to the annular side surface of the vial 2, the fastening screws 7 are installed at the top end of the fixed block 3, one end of each fastening screw 7 penetrates through the fixed block 3 to be connected with the sleeve 1, a user uses the fastening screws 7 to fixedly install the fixed block 3 at the middle position of the top end of the sleeve 1, then uses the support ring 5 to install the support ring 5 on the annular side surface, the elastic rope 4 is stretched, the elastic rope 4 is stretched to generate elastic force, the elastic force of the elastic rope 4 avoids excessive stretching of the vial 2, and the probability of damage to the vial 2 is reduced;

the attaching mechanism comprises a circular groove 11, a support frame 12, a sliding block 13, a sliding groove 14 and a spring 15, three circular grooves 11 are uniformly formed in the supporting ring 5, a supporting frame 12 is arranged in each circular groove 11, and the supporting frame 12 is arranged on the spherical side surface of the ball 6, two sliding chutes 14 are symmetrically arranged in the circular chute 11, two sliding blocks 13 are symmetrically arranged on the annular side surface of the support frame 12, the sliding blocks 13 are arranged inside a sliding chute 14, a spring 15 is arranged inside the sliding chute 14, and both ends of the spring 15 are fixedly arranged on the sliding block 13 and the top end inside the sliding chute 14, a user installs the support ring 5 on the annular side surface of the vial 2, the vial 2 extrudes the balls 6, and then the support frame 12 and the slide block 13 are driven to move, so that the spring 15 generates elastic force, the ball 6 is tightly attached to the annular side surface of the vial 2 by the elastic force of the spring 15, and the friction force between the support ring 5 and the vial 2 is reduced by the design of the ball 6.

A first screw cylinder 9 is arranged inside the finger tube 2, a first internal thread is formed inside the finger tube 2, and the first screw cylinder 9 is connected with the finger tube 2 through the first internal thread; a second screw cylinder 10 is arranged in the sleeve 1, a second internal thread is formed in the sleeve 1, the second screw cylinder 10 is connected with the sleeve 1 through the second internal thread, the first screw cylinder 9 and the second screw cylinder 10 are taken out by utilizing the first internal thread and the second internal thread, and the finger tube 2 and the sleeve 1 are attached to the cable under the action of elasticity of the finger tube 2 and the sleeve 1; a guide rod 8 is fixedly arranged in the sliding groove 14, a sliding block 13 and a spring 15 are arranged on the annular side surface of the guide rod 8, a through hole is formed in one end of the sliding block 13, the guide rod 8 is arranged in the through hole, and the stability of the sliding block 13 in moving is improved due to the design of the guide rod 8; one end of the elastic rope 4 is fixedly arranged on the annular side surface of the fixing block 3 through a first screw, one end of the elastic rope 4 is fixedly arranged on the annular side surface of the support ring 5 through a second screw, and the design is convenient for the fixed installation of the elastic rope 4; three arc grooves are uniformly formed in the support ring 5, compression springs 15 are fixedly mounted in the arc grooves, one ends of the compression springs 15 are fixedly mounted on the arc plates, and the design utilizes the elasticity of the compressed springs 15 to enable the arc plates to be tightly attached to the finger tubes 2 so as to fix the support ring 5.

The utility model discloses when using, utilize fastening screw 7 with 3 fixed mounting in 1 top intermediate position of sleeve pipe of fixed block, then the user installs support ring 5 on 2 annular sides of vial, when the slope of cable conductor pulling vial 2 for 5 offset of support ring, and then stretch elasticity rope 4, elasticity rope 4 receives tensile production elasticity, and the elasticity of elasticity rope 4 is avoided drawing the transition of vial 2 and is dragged, reduces the probability that vial 2 damaged.

The support ring 5 is installed on the annular side face of the vial 2 by a user, the vial 2 extrudes the balls 6, and then the support frame 12 and the sliding block 13 are driven to move, so that the spring 15 generates elastic force, the balls 6 are tightly attached to the annular side face of the vial 2 by the elastic force of the spring 15, and the friction force between the support ring 5 and the vial 2 is reduced by the design of the balls 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a shrinkage dactylotheca for cable which characterized in that: the device comprises a sleeve (1), finger tubes (2), a contraction mechanism and a fitting mechanism, wherein the top ends of the sleeve (1) are uniformly provided with the three finger tubes (2);

the contraction mechanism comprises a fixed block (3), elastic ropes (4), a support ring (5), balls (6) and fastening screws (7), the fixed block (3) is fixedly installed at the middle position of the top end of the sleeve (1), the three elastic ropes (4) are installed on the annular side face of the fixed block (3), one ends of the elastic ropes (4) are fixedly installed on the support ring (5), the support ring (5) is installed on the annular side face of the finger tube (2), the three balls (6) are uniformly installed in the support ring (5), the spherical side face of each ball (6) is attached to the annular side face of the finger tube (2), the fastening screws (7) are installed at the top end of the fixed block (3), and one ends of the fastening screws (7) penetrate through the fixed block (3) and are connected with the sleeve (1;

laminating mechanism includes circular slot (11), support frame (12), slider (13), spout (14) and spring (15), three circular slot (11) are evenly seted up to support ring (5) inside, circular slot (11) internally mounted support frame (12), and support frame (12) install on ball (6) spherical side, two spout (14) are seted up to circular slot (11) inside symmetry, two slider (13) of symmetry installation on support frame (12) annular side, slider (13) are installed inside spout (14), spout (14) internally mounted spring (15), and spring (15) both ends fixed mounting on slider (13) and the inside top of spout (14).

2. The cold shrink finger sleeve for cables as claimed in claim 1, wherein: the finger tube (2) is internally provided with a first screw cylinder (9), the finger tube (2) is internally provided with a first internal thread, and the first screw cylinder (9) is connected with the finger tube (2) through the first internal thread.

3. The cold shrink finger sleeve for cables as claimed in claim 1, wherein: the screw cylinder II (10) is installed inside the sleeve (1), the internal thread II is formed inside the sleeve (1), and the screw cylinder II (10) is connected with the sleeve (1) through the internal thread II.

4. The cold shrink finger sleeve for cables as claimed in claim 1, wherein: a guide rod (8) is fixedly installed inside the sliding groove (14), a sliding block (13) and a spring (15) are installed on the annular side face of the guide rod (8), a through hole is formed in one end of the sliding block (13), and the guide rod (8) is installed inside the through hole.

5. The cold shrink finger sleeve for cables as claimed in claim 1, wherein: one end of the elastic rope (4) is fixedly arranged on the annular side face of the fixing block (3) through a first screw, and one end of the elastic rope (4) is fixedly arranged on the annular side face of the support ring (5) through a second screw.

6. The cold shrink finger sleeve for cables as claimed in claim 1, wherein: three arc grooves are uniformly formed in the supporting ring (5), compression springs (15) are fixedly installed in the arc grooves, and one ends of the compression springs (15) are fixedly installed on the arc plates.