A caliber-adjustable glass fiber sleeve and a preparation process thereof

Abstract

The application discloses a caliber-adjustable glass fiber sleeve and a preparation process thereof, and aims to provide a caliber-adjustable glass fiber sleeve provided with a pipe diameter size adjusting component and a preparation process thereof. The caliber-adjustable glass fiber sleeve comprises a caliber adjusting head and a pipe body. The caliber adjusting head comprises an adjusting head one and an adjusting head two. The adjusting head two is connected with the top end of the adjusting head one. A plurality of adjusting rod grooves are symmetrically distributed on the outer side of the adjusting head one. An adjusting rod is arranged on the adjusting rod groove. One end of the adjusting rod is movably connected with the adjusting head two. The pipe body is provided with a connecting port. The diameter of the adjusting head one is larger than the diameter of the connecting port. The adjusting head one is detachably connected with the pipe body through the adjusting rod. The caliber-adjustable glass fiber sleeve has the advantages that the pipe diameter size adjusting component can be installed, the adjusting head one can be smoothly inserted into the pipe body, the component for reminding the adjusting rod to be arranged in the sliding groove is installed, and the protection of the inner wall of the pipe body is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glass fiber sleeve, in particular to a caliber adjustable glass fiber sleeve and a preparation process thereof. BACKGROUND

[0002] The glass fiber sleeve is knitted by using alkali-free glass fiber yarn or bulk yarn. It has excellent properties such as fireproof, heat insulation, insulation and flame retardant. In the modern society, various industrial or living equipment needs a large amount of current, especially the use of electronic equipment. Without the provision of current, the working effect of the equipment is lost. The glass fiber sleeve is very suitable for the production and use of electronic equipment due to its excellent properties, and is gradually favored by the majority of users.

[0003] However, the caliber of the glass fiber sleeve is generally fixed. For different uses of electronic equipment, the caliber of the glass fiber sleeve needs to be adjusted. Therefore, the caliber adjustment state of the glass fiber sleeve directly affects the use efficiency of the electronic equipment, and even causes safety hazards.

[0004] Chinese patent authorization announcement number: CN2738152Y, authorization announcement date: November 2, 2005, discloses a pipe caliber adjuster, which comprises a pipe, a caliber adjusting head, an adjusting support, and an adjusting screw rod. The caliber adjusting head is provided at the air outlet of the pipe, supported by the adjusting support, and moves relative to the pipe through the adjusting screw rod. The technical solution has the following disadvantages: only the caliber adjusting head is inserted into the pipe, and the caliber of the pipe is increased by the diameter of the caliber adjusting head during the movement of the caliber adjusting head. The diameter is fixed and cannot be reasonably adjusted.

[0005] In summary, the adjuster with the caliber adjustable pipe diameter component can increase the caliber according to specific conditions when inserted into the pipe. SUMMARY

[0006] The present application is to overcome the shortcoming of the prior art, and provides a diameter-adjustable glass sleeve provided with a pipe diameter size adjusting component and a preparation process thereof. In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a diameter-adjustable glass sleeve, comprising a diameter adjusting head and a pipe body, the diameter adjusting head comprises adjusting head one and adjusting head two, the adjusting head two is connected with the top end of the adjusting head one, a plurality of adjusting rod grooves are symmetrically distributed on the outer side surface of the adjusting head one, adjusting rods are installed on the adjusting rod grooves, one end of the adjusting rod is movably connected with the adjusting head two, the pipe body is provided with a connecting port, the diameter of the adjusting head one is larger than the diameter of the connecting port, and the adjusting head one is detachably connected with the pipe body through the adjusting rods. The adjusting head one is inserted into the pipe body through the connecting port to ensure that the work of the adjusting head one can smoothly adjust the diameter of the pipe body. Here, the diameter of the adjusting head one is larger than the diameter of the connecting port, so that the adjusting head one is clamped and limited by the pipe body after being inserted into the pipe body and cannot automatically separate from the pipe body. The distance between the adjusting rods in relative positions can be smoothly increased through the control of the adjusting rods. The adjusting rod grooves are symmetrically distributed on the outer side surface of the adjusting head one, the adjusting rods are arranged in the adjusting rod grooves, and one end of the adjusting rod is movably connected with the adjusting head two. Thus, the end of the adjusting rod is controlled through the end of the adjusting rod of the adjusting head two, the other end of the adjusting rod is separated from the limiting of the adjusting rod groove, the distance between the ends of the two adjusting rods in relative positions is increased, the end of the adjusting rod with the increased distance is arranged in the pipe body, and the diameter of the pipe body is increased. The distance between the ends of the two adjusting rods in relative positions can be controlled, so that the pipe diameter size adjusting component can be installed. As a preferred embodiment, the adjusting head two is provided with a switch and a plurality of servo motors, the servo motors are arranged in the adjusting head two, the servo motors are electrically connected with the switch, the servo motors correspond to the adjusting rods one by one, motor shafts are arranged on the servo motors, one end of the motor shaft is connected with the servo motor, the other end of the motor shaft is movably connected with the adjusting head two, the adjusting rods are connected with the motor shafts, and a gap is left between the outer edges of the adjusting rods and the adjusting head two. Thus, the servo motor arranged in the adjusting head two is started to work through the control of the switch on the adjusting head two, the motor shaft on the servo motor is started to rotate, one end of the motor shaft is connected with the servo motor, the other end of the motor shaft is movably connected with the adjusting head two, and the rotation of the motor shaft is performed under the support effect of the adjusting head two. The adjusting rods are connected with the motor shafts and a gap is left between the outer edges of the adjusting rods and the adjusting head two, so that the adjusting rods are smoothly rotated by the motor shaft, the ends of the adjusting rods touch the inner wall of the pipe body, and the diameter of the pipe body is increased. As a preferred embodiment, the bottom end of the adjusting head one is provided with adjusting head three, a plurality of limiting grooves are arranged on the adjusting head three, the limiting grooves correspond to the adjusting rod grooves one by one, and the limiting grooves are matched with the other ends of the adjusting rods.The design can insert the adjusting head three into the pipe body through adjusting the bottom end of the adjusting head one. The limiting groove on the adjusting head three corresponds to the adjusting rod groove. The end of the adjusting rod is placed in the limiting groove, which is limited by the adjusting head three and enhances the connection effect of the adjusting head one and the adjusting head three. The work of the adjusting rod to increase the pipe diameter is stable under the limiting effect of the adjusting head one and the adjusting head three, which is safe and reliable. As an optimization, the other end of the adjusting rod is provided with a rolling groove, both ends of the rolling groove are provided with a rolling bearing one, the outer ring of the rolling bearing one is connected with the adjusting rod, the inner ring of the rolling bearing one is provided with a rolling shaft, the two rolling bearings one are connected through the rolling shaft, the rolling shaft is provided with a rolling bearing two, the inner ring of the rolling bearing two is connected with the rolling shaft, and the outer ring diameter of the rolling bearing two is greater than the depth of the rolling groove. The design can connect the rolling shaft through the two rolling bearings one installed at the other end of the adjusting rod. The outer ring of the rolling bearing one is connected with the adjusting rod, the inner ring is connected through the rolling shaft, and the rolling shaft is provided with the rolling bearing two. When the adjusting rod rotates, the rolling bearing two contacts the pipe body under the support effect of the two rolling bearings one, which reduces the friction when the adjusting rod rotates and contacts the pipe body, and enables the rotating work to be stable. The structure design that the outer ring diameter of the rolling bearing two is greater than the depth of the rolling groove is convenient for the outer ring of the rolling bearing two to contact the pipe body first, which is stable and reliable. As an optimization, the adjusting head three is provided with a conical block, and a gap is left between the connection of the conical block and the adjusting head three and the limiting groove. The design can smoothly insert the conical block into the pipe body through the connecting port, which is convenient for the adjusting head to smoothly adjust the diameter of the pipe body. The gap between the connection of the conical block and the adjusting head three and the limiting groove prevents the end of the adjusting rod from being limited by the limiting groove. As an optimization, the inner wall of the pipe body is provided with a sliding groove, the sliding groove includes a bottom edge and two side edges, the two side edges are respectively arranged at the upper and lower ends of the bottom edge, and an obtuse angle α is arranged at the connection of the bottom edge and the side edge. The design can rotate the end of the adjusting rod during the limiting process through the sliding groove on the inner wall of the pipe body, which smoothly performs the diameter adjustment of the pipe body. The sliding groove includes a bottom edge and two side edges, the two side edges are respectively arranged at the upper and lower ends of the bottom edge, and an obtuse angle α is arranged at the connection of the bottom edge and the side edge, which enables the end of the adjusting rod to smoothly rotate under the guidance of the sliding groove, and facilitates the smooth performance of the diameter adjustment. As an optimization, the pipe body is provided with a switch strip one and a bell, the switch strip one is arranged at the upper end of the sliding groove, the switch strip one is connected with the inner wall of the pipe body, the bell is connected with the outer wall of the pipe body, and the bell is electrically connected with the switch strip one.The switch strip one at the upper end of the sliding groove can be touched by the adjusting head three when the conical block is inserted, and the switch strip one is opened to start the work of the electric bell connected therewith, and then a warning sound is generated to indicate that the end of the adjusting rod will be smoothly moved into the sliding groove, and the rotation of the end of the adjusting rod starts to increase the diameter of the pipe body. As an optimization, a switch strip two is installed on the inner wall of the pipe body, and the switch strip two is arranged at the lower end of the sliding groove and is electrically connected with the electric bell. When the conical block continues to move downward to be separated from the sliding groove, the switch strip two at the lower end of the sliding groove can be touched by the adjusting head three, and the switch strip two is opened to start the work of the electric bell connected therewith, and then a warning sound is generated to indicate that the end of the adjusting rod will be separated from the sliding groove after continuing to move downward, so that the adjusting rod is prevented from starting to rotate in the sliding groove and affecting the diameter adjustment work of the pipe body. As an optimization, a protective layer is sleeved in the pipe body, the protective layer is connected with the inner wall of the pipe body, and the switch strip one and the switch strip two are both installed on the protective layer. The protective layer sleeved in the pipe body is designed to protect the inner wall of the pipe body when the adjusting rod rotates to perform the diameter adjustment work of the pipe body. The present application also provides a preparation process of a diameter-adjustable glass fiber sleeve, which specifically comprises the following steps.

[0007] Step one: insert the conical block into the connecting port position until the alarm bell sound of the electric bell is heard, and stop the insertion work;

[0008] Step two: control the switch to start the work of the servo motor, drive the adjusting rod to rotate through the rotation of the motor shaft, and pay attention to the increase of the diameter of the pipe body at the connecting port at all times, and after the expected target is reached, control the switch to stop the work of the servo motor, and develop the use of the glass fiber sleeve with increased diameter.

[0009] Step three: after the glass fiber sleeve with increased diameter is used, control the switch to start the work of the servo motor, drive the adjusting rod to rotate reversely through the reverse rotation of the motor shaft, pay attention to the decrease of the diameter of the pipe body at the connecting port until it returns to the original state, and control the switch to stop the work of the servo motor and take out the conical block from the connecting port.

[0010] The present application has the advantages that the purpose of installing a diameter-adjustable pipe component can be achieved, the adjusting head one can be smoothly inserted into the pipe body, the component for reminding the adjusting rod to be placed in the sliding groove is installed, and the protective effect of the inner wall of the pipe body is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structural schematic diagram of the present application;

[0012] Figure 2 is a working schematic diagram of the present application;

[0013] Figure 3is a structural schematic view of the adjusting head one of the present application;

[0014] Figure 4 is Figure 1 a structural schematic view of the section at A of the present application;

[0015] Figure 5 is Figure 3 a structural schematic view of the section at B of the present application;

[0016] Figure 6 is a structural schematic view of the sliding groove of the present application;

[0017] Figure 7 is a structural schematic view of the protective layer of the present application.

[0018] In the figure: 1, adjusting head one, 2, pipe body, 3, conical block, 4, adjusting head two, 5, adjusting head three, 6, connecting port, 7, adjusting rod, 8, limiting groove, 9, switch, 10, adjusting rod groove, 11, servo motor, 12, motor shaft, 13, rolling groove, 14, rolling bearing one, 15, rolling shaft, 16, rolling bearing two, 17, electric bell, 18, bottom edge, 19, switch strip one, 20, switch strip two, 21, side edge, 22, protective layer, 23, gap. DETAILED DESCRIPTION

[0019] The application will be further described in conjunction with the drawings and specific embodiments.

[0020] As Figure 1 , Figure 2 and Figure 3 shown in the embodiment case, a caliber adjustable glass sleeve includes a caliber adjusting head and a pipe body 2, the caliber adjusting head includes an adjusting head one 1 and an adjusting head two 4, the adjusting head two 4 is connected with the top end of the adjusting head one 1, a plurality of adjusting rod grooves 10 are symmetrically distributed on the outer side surface of the adjusting head one 1, adjusting rods 7 are installed on the adjusting rod grooves 10, one end of the adjusting rod 7 is movably connected with the adjusting head two 4, the pipe body 2 is provided with a connecting port 6, the diameter of the adjusting head one 1 is greater than the diameter of the connecting port 6, and the adjusting head one 1 is detachably connected with the pipe body 2 through the adjusting rod 7.

[0021] As Figure 1 , Figure 3 and Figure 4As shown in the figure, the adjusting head two 4 is provided with a switch 9 and a plurality of servo motors 11, the servo motors 11 are arranged in the adjusting head two 4, the servo motors 11 are electrically connected with the switch 9, the servo motors 11 correspond to the adjusting rods 7 one by one, the servo motors 11 are provided with motor shafts 12, one end of the motor shaft 12 is connected with the servo motor 11, the other end of the motor shaft 12 is movably connected with the adjusting head two 4, the adjusting rod 7 is connected with the motor shaft 12, and the outer edge of the adjusting rod 7 is provided with a gap 23 with the adjusting head two 4.

[0022] As shown in the figure, Figure 3 and Figure 5 the other end of the adjusting rod 7 is provided with a rolling groove 13, both ends of the rolling groove 13 are provided with rolling bearings one 14, the outer ring of the rolling bearing one 14 is connected with the adjusting rod 7, the inner ring of the rolling bearing one 14 is provided with a rolling shaft 15, the two rolling bearings one 14 are connected through the rolling shaft 15, the rolling shaft 15 is provided with a rolling bearing two 16, the inner ring of the rolling bearing two 16 is connected with the rolling shaft 15, and the outer ring of the rolling bearing two 16 has a diameter greater than the depth of the rolling groove 13. The adjusting head three 5 is provided with a conical block 3, and the connecting part of the conical block 3 and the adjusting head three 5 is provided with a gap with the limiting groove 8.

[0023] As shown in the figure, Figure 1 , Figure 6 and Figure 7 the inner wall of the pipe body 2 is provided with a sliding groove, the sliding groove includes a bottom edge 18 and two side edges 21, the two side edges 21 are arranged at the upper and lower ends of the bottom edge 18, and an obtuse angle α is arranged at the connecting part of the bottom edge 18 and the side edge 21. The pipe body 2 is provided with a switch strip one 19 and a bell 17, the switch strip one 19 is arranged at the upper end of the sliding groove, the switch strip one 19 is connected with the inner wall of the pipe body 2, the bell 17 is connected with the outer wall of the pipe body 2, and the bell 17 is electrically connected with the switch strip one 19. The inner wall of the pipe body 2 is provided with a switch strip two 20, the switch strip two 20 is arranged at the lower end of the sliding groove, and the switch strip two 20 is electrically connected with the bell 17. The pipe body 2 is sleeved with a protective layer 22, the protective layer 22 is connected with the inner wall of the pipe body 2, and the switch strip one 19 and the switch strip two 20 are arranged on the protective layer 22.

[0024] The present application also provides a preparation process of the glass fiber sleeve with adjustable caliber, which specifically includes the following steps:

[0025] Step one: the conical block 3 is inserted into the connecting port 6 position until the bell 17 rings, and the insertion work is stopped;

[0026] Specifically: the conical block 3 is inserted into the connecting port 6 on the pipe body 2, the conical block 3 is installed on the adjusting head three 5, the adjusting head three 5 is installed on the bottom end of the adjusting head one 1, the adjusting head two 4 is installed on the top end of the adjusting head one 1, then the distribution structure of the adjusting head three 5 and the adjusting head one 1 can smoothly enter the pipe body 2, the diameter of the adjusting head one 1 is greater than the diameter of the connecting port 6, the adjusting head one 1 will be clamped by the pipe body 2, so as to avoid that the adjusting head one 1 will automatically separate from the pipe body 2. The inner wall of the pipe body 2 is provided with a sliding groove, the sliding groove includes a bottom edge 18 and two side edges 21, the two side edges 21 are respectively arranged at the upper and lower ends of the bottom edge 18, and an obtuse angle α is arranged at the connection between the bottom edge 18 and the side edges 21, a switch strip one 19 is installed at the upper end of the sliding groove, the adjusting head three 5 can touch the switch strip one 19 when it moves downward, the switch strip one 19 can start the work of the electric bell 17 electrically connected, and then a warning sound is generated to indicate that the end of the adjusting rod 7 will smoothly move into the sliding groove, the adjusting rod 7 is arranged in the adjusting rod groove 10 on the outer side of the adjusting head one 1. If the adjusting head three 5 continues to move downward, it will touch the switch strip two 20 at the lower end of the sliding groove, the switch strip two 20 is also electrically connected with the electric bell 17, and the electric bell 17 emits a warning sound to avoid that the adjusting rod 7 separates from the sliding groove and affects the diameter adjustment work of the pipe body 2.

[0027] Step two: the control switch 9 starts the work of the servo motor 11, the rotation of the motor shaft 12 drives the rotation of the adjusting rod 7, the increase of the diameter of the pipe body 2 at the connecting port 6 is always paid attention to, after the expected target is reached, the control switch 9 stops the work of the servo motor 11, and the use of the glass fiber sleeve with increased diameter is developed;

[0028] Specifically: the end of the adjusting rod 7 is placed in the sliding groove, first control the switch 9 on the adjusting head two 4, the servo motor 11 installed in the adjusting head two 4 is opened to work, the motor shaft 12 installed on the servo motor 11 starts to rotate, one end of the motor shaft 12 is connected with the servo motor 11, the other end is movably connected with the adjusting head two 4, so the motor shaft 12 is smoothly rotated under the support of the adjusting head two 4, the connection between the motor shaft 12 and the adjusting head two 4 can be installed with a rolling bearing, which facilitates the smooth rotation of the motor shaft 12 supported by the adjusting head two 4. The top end of the adjusting rod 7 is connected with the motor shaft 12, the rotation of the motor shaft 12 drives the rotation of the adjusting rod 7, the bottom end of the adjusting rod 7 is provided with a rolling groove 13, both ends of the rolling groove 13 are provided with rolling bearings one 14, the outer ring of the rolling bearing one 14 is connected with the adjusting rod 7, the inner ring is provided with a rolling shaft 15, the two rolling bearings one 14 are connected through the rolling shaft 15, the rolling shaft 15 is provided with a rolling bearing two 16, the outer diameter of the rolling bearing two 16 is greater than the depth of the rolling groove 13, and the pipe body 2 is sleeved with a protective layer 22, so that the outer ring of the rolling bearing two 16 rolls in the protective layer 22 when the adjusting rod 7 rotates, which not only reduces the friction between the adjusting rod 7 and the protective layer 22 when they contact, but also protects the inner wall of the pipe body 2, and the adjusting rod 7 end in the sliding groove is smoothly rolled and turned under the guidance of the sliding groove, which increases the diameter of the pipe body 2, and the increase in diameter achieves the expected goal, which can control the switch 9 to close the work of the servo motor 11, and develop the use of the glass fiber sleeve with increased diameter.

[0029] Step three: after using the glass fiber sleeve with increased diameter, control the switch 9 to open the work of the servo motor 11, let the motor shaft 12 rotate reversely, control the adjusting rod 7 to rotate reversely, pay attention to the reduction of the diameter of the pipe body 2 at the connecting port 6, until it returns to the original state, control the switch 9 to close the work of the servo motor 11, and take out the conical block 3 from the connecting port 6.

[0030] Specifically: after using the glass fiber sleeve with increased diameter, continue to control the switch 9 to open the work of the servo motor 11, at this time, the motor shaft 12 needs to rotate reversely, so that the adjusting rod 7 connected with the motor shaft 12 can also rotate reversely, so that the end of the adjusting rod 7 in the sliding groove reversely rotates under the rotating effect of the outer ring of the rolling bearing two 16, so that the inner wall of the pipe body 2 will not be touched by the end of the adjusting rod 7 to increase the diameter, because the soft glass fiber material is resistant to bending, the work of increasing the diameter of the glass fiber sleeve will not damage the glass fiber sleeve, then the glass fiber sleeve can slowly return, so that the switch 9 can be controlled again to close the work of the servo motor 11, and the conical block 3 is taken out from the connecting port 6.

[0031] First, the conical block 3 is inserted into the connecting port 6 on the pipe body 2, the conical block 3 is installed on the adjusting head three 5, the adjusting head three 5 is installed on the bottom end of the adjusting head one 1, the adjusting head two 4 is installed on the top end of the adjusting head one 1, then the distribution structure of the adjusting head three 5 and the adjusting head one 1 can smoothly enter the pipe body 2, the diameter of the adjusting head one 1 is greater than the diameter of the connecting port 6, the adjusting head one 1 will be clamped by the pipe body 2, so as to avoid that the adjusting head one 1 will automatically separate from the pipe body 2. The inner wall of the pipe body 2 is provided with a sliding groove, the sliding groove includes a bottom edge 18 and two side edges 21, the two side edges 21 are respectively arranged at the upper and lower ends of the bottom edge 18, and an obtuse angle α is arranged at the connection between the bottom edge 18 and the side edge 21, a switch strip one 19 is installed at the upper end of the sliding groove, when the adjusting head three 5 moves downward, the switch strip one 19 can be contacted, the switch strip one 19 can start the work of the electric bell 17 which is electrically connected, then a warning sound is generated, indicating that the end of the adjusting rod 7 will smoothly move into the sliding groove, the adjusting rod 7 is arranged in the adjusting rod groove 10 on the outer side of the adjusting head one 1. If the adjusting head three 5 continues to move downward, the switch strip two 20 at the lower end of the sliding groove will be contacted, the switch strip two 20 is also electrically connected with the electric bell 17, the electric bell 17 will emit a warning sound, so as to avoid that the adjusting rod 7 will separate from the sliding groove, and affect the diameter adjustment work of the pipe body 2.

[0032] After the end of the adjusting rod 7 is arranged in the sliding groove, the switch 9 on the adjusting head two 4 is controlled first, the servo motor 11 installed in the adjusting head two 4 is started to work, so that the motor shaft 12 installed on the servo motor 11 starts to rotate, one end of the motor shaft 12 is connected with the servo motor 11, and the other end is movably connected with the adjusting head two 4, then the motor shaft 12 is smoothly rotated under the support effect of the adjusting head two 4, the connection between the motor shaft 12 and the adjusting head two 4 can be provided with a rolling bearing, so that the motor shaft 12 can still be smoothly rotated under the support of the adjusting head two 4. The top end of the adjusting rod 7 is connected with the motor shaft 12, the rotation of the motor shaft 12 drives the rotation work of the adjusting rod 7, the bottom end of the adjusting rod 7 is provided with a rolling groove 13, rolling bearings one 14 are arranged at both ends of the rolling groove 13, the outer ring of the rolling bearings one 14 is connected with the adjusting rod 7, the inner ring is provided with a rolling shaft 15, the two rolling bearings one 14 are connected through the rolling shaft 15, the rolling shaft 15 is provided with a rolling bearing two 16, the outer diameter of the rolling bearing two 16 is greater than the depth of the rolling groove 13, and the pipe body 2 is sleeved with a protective layer 22, then when the adjusting rod 7 rotates, the outer ring of the rolling bearing two 16 rolls in the protective layer 22, not only reduces the friction force when the adjusting rod 7 contacts with the protective layer 22, but also plays a protective role for the inner wall of the pipe body 2, and the adjusting rod 7 is smoothly rolled and turned under the guiding effect of the sliding groove, so that the end of the adjusting rod 7 in the sliding groove increases the diameter of the pipe body 2, after the diameter is increased to the expected target, the switch 9 can be controlled to close the work of the servo motor 11, and the use of the glass fiber sleeve pipe with increased diameter is carried out.

[0033] After using the glass fiber sleeve with enlarged diameter, continue to control the switch 9 to start the servo motor 11, at this time, the motor shaft 12 needs to be reversed, that is, the adjusting rod 7 connected with the motor shaft 12 can also be reversed, so that the end of the adjusting rod 7 in the sliding groove is reversed under the rotating effect of the outer ring of the second rolling bearing 16, that is, the inner wall of the pipe body 2 will not be touched by the end of the adjusting rod 7 to increase the diameter. Because the soft glass fiber material is resistant to bending, the work of increasing the diameter of the glass fiber sleeve will not damage the glass fiber sleeve, and then the glass fiber sleeve can slowly recover, so that the switch 9 can be controlled again to stop the servo motor 11, and the conical block 3 is taken out from the connecting port 6.

[0034] The protective layer 22 here can be made of soft rubber, which is not only convenient to replace, but also will not affect the glass fiber sleeve due to the insulation of rubber. At the same time, it can also avoid damage to the outer ring of the second rolling bearing 16 when rotating on the rubber, which is safe and practical.

Claims

1. A caliber adjustable fiberglass sleeve, characterized by, The application relates to a pipe diameter adjusting device, which comprises a pipe body (2) and a diameter adjusting head, the diameter adjusting head comprises a first adjusting head (1) and a second adjusting head (4), the second adjusting head (4) is connected with the top end of the first adjusting head (1), a plurality of adjusting rod grooves (10) are symmetrically arranged on the outer side of the first adjusting head (1), adjusting rods (7) are arranged in the adjusting rod grooves (10), one end of the adjusting rod (7) is movably connected with the second adjusting head (4), a connecting hole (6) is arranged on the pipe body (2), the diameter of the first adjusting head (1) is larger than that of the connecting hole (6), the first adjusting head (1) is detachably connected with the pipe body (2) through the adjusting rods (7), a third adjusting head (5) is arranged at the bottom end of the first adjusting head (1), a plurality of limiting grooves (8) are arranged on the third adjusting head (5), the limiting grooves (8) correspond to the adjusting rod grooves (10) one by one, the limiting grooves (8) are matched with the other ends of the adjusting rods (7), rolling grooves (13) are arranged at the other ends of the adjusting rods (7), rolling bearings (14) are arranged at the two ends of the rolling grooves (13), the outer rings of the rolling bearings (14) are connected with the adjusting rods (7), rolling shafts (15) are arranged on the inner rings of the rolling bearings (14), the two rolling bearings (14) are connected through the rolling shafts (15), rolling bearings (16) are arranged on the rolling shafts (15), the inner rings of the rolling bearings (16) are connected with the rolling shafts (15), the outer rings of the rolling bearings (16) have a diameter larger than the depth of the rolling grooves (13), sliding grooves are arranged on the inner wall of the pipe body (2), the sliding grooves comprise a bottom edge (18) and two side edges (21), the two side edges (21) are arranged at the upper and lower ends of the bottom edge (18), an obtuse angle alpha is arranged at the connecting position of the bottom edge (18) and the side edges (21), a switch strip (19) and a bell (17) are arranged on the pipe body (2), the switch strip (19) is arranged at the upper end of the sliding groove, the switch strip (19) is connected with the inner wall of the pipe body (2), the bell (17) is connected with the outer wall of the pipe body (2), the bell (17) is electrically connected with the switch strip (19), a switch strip (20) is arranged on the inner wall of the pipe body (2), the switch strip (20) is arranged at the lower end of the sliding groove, and the switch strip (20) is electrically connected with the bell (17).

2. The fiber ferrule of claim 1, wherein, Switches (9) and a plurality of servo motors (11) are arranged on the second adjusting head (4), the servo motors (11) are arranged in the second adjusting head (4), the servo motors (11) are electrically connected with the switches (9), the servo motors (11) correspond to the adjusting rods (7) one by one, motor shafts (12) are arranged on the servo motors (11), one end of the motor shaft (12) is connected with the servo motor (11), the other end of the motor shaft (12) is movably connected with the second adjusting head (4), the adjusting rods (7) are connected with the motor shafts (12), and gaps (23) are reserved between the outer edges of the adjusting rods (7) and the second adjusting head (4).

3. The diameter-adjustable glass sleeve according to claim 1, wherein, The conical block (3) is installed on the adjusting head three (5), and a gap is left between the connecting part of the conical block (3) and the adjusting head three (5) and the limiting groove (8).

4. The diameter-adjustable glass sleeve according to claim 1, wherein, The pipe body (2) is sleeved with a protective layer (22), the protective layer (22) is connected with the inner wall of the pipe body (2), and the switch strip one (19) and the switch strip two (20) are both installed on the protective layer (22).

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