Rolling type composite pipe rewinding large disc structure
The rolling composite pipe rewinding disk structure addresses wear and noise issues by locking the rolling sleeve to the central through-shaft with positioning holes and limit bolts, and using steel balls and ball screws to convert friction type, improving service life and reducing noise.
Patent Information
- Application Number
- CN202420076588.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-12
AI Technical Summary
Existing composite tube rewinding disc structures experience significant wear and tear due to sliding friction between the sleeve and central through-shaft, leading to reduced service life and increased noise as the surface becomes rough after lubrication wear.
A rolling composite pipe rewinding disk structure that uses positioning holes, internal threaded holes, and limit bolts to lock and fix the rolling sleeve to the central through-shaft, combined with steel balls and ball screws to convert sliding friction to rolling friction, reducing wear and noise.
The solution effectively prevents wear between the rolling sleeve and central through-shaft, prolongs the service life, and reduces noise by converting sliding friction to rolling friction, enhancing durability and operational silence.
Smart Images

Figure CN222249594U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of composite pipe coiling, in particular to a rolling composite pipe rewinding large coil structure. Background Art
[0002] The composite tube rewinding disc structure includes a central through-shaft, a composite tube rewinding disc body coaxially sleeved on the central through-shaft, and a sleeve coaxially sleeved at the junction of the two, so that the composite tube rewinding disc body is rotatably connected to the central through-shaft via the sleeve, so that the rewinding and releasing operation can be performed; however, the existing sleeve is fixed in an integral manner, which will simultaneously generate sliding friction with the central through-shaft and the composite tube rewinding disc body, resulting in greater wear and tear, reducing the service life of the composite tube rewinding disc body and the central through-shaft; in addition, the existing sleeve has a smooth surface when it is first used, and the noise generated after adding lubricating oil is small, but after wear, its surface will become rough, and the noise generated during use will be large. Therefore, the above problems need to be solved urgently. Summary of the invention
[0003] The technical problem to be solved by the utility model is to provide a rolling composite pipe rewound large disc structure, which facilitates the locking and fixing of the rolling sleeve and the center through shaft through the coordinated use of positioning holes, internal threaded holes and limit bolts, thereby solving the wear problem between the rolling sleeve and the center through shaft and improving its service life.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: the utility model adopts a rolling composite tube rewinding disk structure, and its innovation lies in: comprising a composite tube rewinding disk body, a central through shaft, a rolling sleeve and a limiting bolt; the central through shaft is horizontally arranged, and a composite tube rewinding disk body for retracting and releasing the line is coaxially sleeved thereon, and an axial hole matching the rolling sleeve is coaxially embedded in the middle position of the left and right end surfaces of the composite tube rewinding disk body, and rolling sleeves are coaxially sleeved on the central through shaft relative to the position of the axial hole; each of the rolling sleeves is locked and fixed to the central through shaft by a limiting bolt, and the composite tube rewinding disk body is respectively connected to the outer circumferential surface of each rolling sleeve in a rolling and rotating manner, so that the composite tube rewinding disk body rotates around the central through shaft, and the retracting and releasing line operation is performed through the composite tube rewinding disk body.
[0005] Preferably, each of the rolling sleeves is a hollow cylindrical structure that matches the center through shaft, and its cross-section is T-shaped; both ends of each of the rolling sleeves are open, and they are coaxially sleeved on corresponding positions on the center through shaft, and the outer circumferential surface of the small diameter end of each of the rolling sleeves is coaxially sleeved in the left and right side axial holes of the composite tube and complex winding large disk body, and the inner side surfaces of the large diameter ends are respectively fitted with the corresponding outer side surfaces of the composite tube and complex winding large disk body, thereby axially positioning the rolling sleeve, and then locking and fixing the rolling sleeve and the center through shaft by limiting bolts, thereby avoiding wear between the rolling sleeve and the center through shaft.
[0006] Preferably, a plurality of positioning holes matching the limiting bolts are evenly spaced and embedded in the outer circumferential surface of the large diameter end of each rolling sleeve along its circumferential direction, and each positioning hole is opened along the radial direction of the corresponding rolling sleeve and extends out of the inner circumferential surface of the corresponding rolling sleeve.
[0007] Preferably, a plurality of internal threaded holes matching the limiting bolts are evenly spaced and embedded in the outer circumferential surface of the center through shaft at a position relative to the positioned rolling sleeve. Each of the internal threaded holes is opened along the radial direction of the center through shaft, and its opening position corresponds to the setting position of each positioning hole on the corresponding rolling sleeve, so that the rolling sleeve and the center through shaft are locked and fixed through the cooperation of the internal threaded holes, the positioning holes and the limiting bolts.
[0008] Preferably, the large diameter end of each rolling sleeve does not interfere with the rotation of the composite tube rewound large disk body, and the locking of each limit bolt does not interfere with the rotation of the composite tube rewound large disk body.
[0009] Preferably, a plurality of rolling assemblies are coaxially sleeved in sequence and spaced apart along the length direction on the outer circumferential surface of the small diameter end of each rolling sleeve, and each rolling sleeve is coaxially sleeved in the left and right side axial holes of the composite tube complex winding large disk body through the rolling assembly, so that the composite tube complex winding large disk body and the corresponding rolling sleeve can roll around their own axis through the rolling assembly.
[0010] Preferably, each of the rolling components comprises a ball screw and a steel ball; a plurality of through holes are embedded and opened at intervals along the circumferential direction of the outer circumferential surface of the small diameter end of each rolling sleeve relative to the position of each rolling component, and each of the through holes is opened along the radial direction of the corresponding rolling sleeve, and each of the through holes is divided into an outer half and an inner half along its length direction, and the inner diameter of the inner half of each through hole is smaller than the inner diameter of the outer half; the inner half of each through hole is a threaded section matching the ball screw, and is arranged on the side close to the center of the corresponding rolling sleeve, and a ball screw is coaxially screwed in the inner half; a steel ball matching it is also embedded in the outer half of each through hole, and each of the steel balls extends out of the outer circumferential surface of the small diameter end of the corresponding rolling sleeve, and contacts the inner circumferential walls of the shaft holes on the left and right sides of the composite tube winding disk body, and then the composite tube winding disk body is connected to the corresponding rolling sleeve in a rolling manner through the steel balls.
[0011] Preferably, a ball limiting surface matching the steel ball is embedded in the middle position of one end face of each ball top screw close to the steel ball, and each of the ball limiting surfaces is coaxially spaced with the corresponding steel ball, and gaps are formed with the corresponding steel balls respectively, so that the rotational resistance between the composite tube composite winding disk body and the rolling sleeve is reduced by filling grease in the gap; an oil storage groove is embedded in the middle position of the bottom of the ball limiting surface of each ball top screw, and each of the oil storage grooves is connected to the corresponding gap, so that grease is stored through the oil storage groove.
[0012] Beneficial effects of the utility model:
[0013] (1) The utility model facilitates locking and fixing the rolling sleeve and the center through-shaft by using the positioning hole, the internal threaded hole and the limit bolt, thereby solving the wear problem between the rolling sleeve and the center through-shaft and prolonging their service life;
[0014] (2) The utility model can change the original sliding friction into rolling friction by using the steel ball and the ball screw, thereby effectively reducing the wear between the rolling sleeve and the composite tube winding disc body, reducing noise and increasing its service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0016] Figure 1 The utility model is a structural schematic diagram of a rolling composite pipe rewound large disc structure.
[0017] Figure 2 for Figure 1 Enlarged schematic diagram of part A.
[0018] Figure 3 It is a cross-sectional view of the rolling sleeve of the utility model.
[0019] Figure 4 for Figure 3 Cross-sectional view of the rolling top screw.
[0020] Figure 5 It is a structural schematic diagram of the central through-axis of the utility model.
[0021] Among them, 1-composite tube wrapped around the disc body; 2-center through shaft; 3-rolling bushing; 4-limiting bolt; 5-positioning hole; 6-internal threaded hole; 7-ball top screw; 8-steel ball; 9-ball limiting surface; 10-oil storage tank. DETAILED DESCRIPTION
[0022] The technical solution of the utility model will be clearly and completely described below through specific implementation methods.
[0023] The utility model discloses a rolling composite pipe rewinding disk structure, comprising a composite pipe rewinding disk body 1, a central through shaft 2, a rolling sleeve 3 and a limit bolt 4; the specific structure is as follows Figures 1 to 5 As shown, the central through shaft 2 is horizontally arranged, and a composite tube rewinding disc body 1 for reeling in and out is coaxially sleeved thereon, and an axial hole matching a rolling sleeve 3 is coaxially embedded in the middle position of the left and right end surfaces of the composite tube rewinding disc body 1, and rolling sleeves 3 are coaxially sleeved on the central through shaft 2 relative to the position of the axial hole; each rolling sleeve 3 is respectively locked and fixed to the central through shaft 2 by a limit bolt 4, and the composite tube rewinding disc body 1 is respectively connected to the outer circumference of each rolling sleeve 3 in a rolling and rotating manner, so that the composite tube rewinding disc body 1 is rotated around the central through shaft 2, and the reeling in and out operation is performed through the composite tube rewinding disc body 1.
[0024] Among them, Figures 1 to 3As shown, each rolling sleeve 3 is a hollow cylindrical structure that matches the central through shaft 2, and its cross-section is T-shaped; both ends of each rolling sleeve 3 are open, and they are coaxially sleeved on the corresponding positions on the central through shaft 2, and the outer circumferential surface of the small diameter end of each rolling sleeve 3 is coaxially sleeved in the left and right side axial holes of the composite tube and complex winding large disk body 1, and the inner side surface of the large diameter end is respectively fitted with the corresponding outer side surface of the composite tube and complex winding large disk body 1, thereby axially positioning the rolling sleeve 3, and then locking and fixing the rolling sleeve 3 and the central through shaft 2 by the limit bolt 4, thereby avoiding wear between the rolling sleeve 3 and the central through shaft 2.
[0025] like Figure 3 As shown, a number of positioning holes 5 matching the limit bolts 4 are evenly spaced and embedded in the outer circumferential surface of the large diameter end of each rolling sleeve 3 along its circumferential direction. Each positioning hole 5 is opened along the radial direction of the corresponding rolling sleeve 3 and extends out of the inner circumferential surface of the corresponding rolling sleeve 3.
[0026] like Figure 5 As shown, at the position of the outer circumferential surface of the central through shaft 2 relative to the positioned rolling sleeve 3, several internal threaded holes 6 matching the limiting bolts 4 are evenly spaced and embedded along the circumferential direction. Each internal threaded hole 6 is opened along the radial direction of the central through shaft 2, and its opening position corresponds to the setting position of each positioning hole 5 on the corresponding rolling sleeve 3, and then the rolling sleeve 3 and the central through shaft 2 are locked and fixed by the cooperation of the internal threaded holes 6, the positioning holes 5 and the limiting bolts 4. Among them, the large diameter end of each rolling sleeve 3 does not interfere with the rotation of the composite tube rewinding large disk body 1, and the locking of each limiting bolt 4 does not interfere with the rotation of the composite tube rewinding large disk body 1.
[0027] The utility model is provided with a plurality of rolling assemblies coaxially sleeved at intervals on the outer circumferential surface of the small diameter end of each rolling sleeve 3 along its length direction, and each rolling sleeve 3 is coaxially sleeved in the left and right side axial holes of the composite tube rewound disk body 1 through the rolling assemblies, and then the composite tube rewound disk body 1 and the corresponding rolling sleeve 3 are rolled around their own axes through the rolling assemblies; wherein each rolling assembly includes a ball screw 7 and a steel ball 8; Figures 1 to 4As shown, a number of through holes are evenly spaced and embedded along the circumferential direction at the outer circumferential surface of the small diameter end of each rolling sleeve 3 relative to the position of each rolling component, and each through hole is opened along the radial direction of the corresponding rolling sleeve 3, and each through hole is divided into an outer half and an inner half along its length direction, and the inner diameter of the inner half of each through hole is smaller than the inner diameter of the outer half; the inner half of each through hole is a threaded section matching the ball screw 7, and is arranged on the side close to the center of the corresponding rolling sleeve 3, and the ball screw 7 is coaxially screwed in the inner half; a steel ball 8 matching it is also embedded in the outer half of each through hole, and each steel ball 8 extends out of the outer circumferential surface of the small diameter end of the corresponding rolling sleeve 3, and contacts the inner circumferential walls of the shaft holes on the left and right sides of the composite tube winding disk body 1, and then the composite tube winding disk body 1 is connected to the corresponding rolling sleeve 3 in a rolling manner through the steel ball 8. During the use of the utility model, the steel ball 8 needs to bear a large force, so its material and surface treatment requirements should be reasonably selected after calculation, and the mixing of sand and gravel should be avoided as much as possible during use.
[0028] like Figure 3 , Figure 4 As shown, a ball limiting surface 9 matching the steel ball 8 is embedded in the middle position of one end face of each ball top screw 7 close to the steel ball 8, and each ball limiting surface 9 is coaxially spaced with the corresponding steel ball 8, and a gap is formed between the corresponding steel ball 8, and then by filling grease in the gap, the rotational resistance between the composite tube rewound large disk body 1 and the rolling sleeve 3 is reduced, thereby effectively reducing the wear and noise between the rolling sleeve 3 and the composite tube rewound large disk body 1; an oil storage groove 10 is embedded in the middle position of the bottom of the ball limiting surface 9 of each ball top screw 7, and each oil storage groove 10 is connected with the corresponding gap, and then the grease is stored through the oil storage groove 10 to ensure that it is more durable.
[0029] Beneficial effects of the utility model:
[0030] (1) The utility model facilitates locking and fixing the rolling sleeve 3 and the center through-shaft 2 by using the positioning hole 5, the internal threaded hole 6 and the limit bolt 4, thereby solving the wear problem between the rolling sleeve 3 and the center through-shaft 2 and improving their service life;
[0031] (2) The utility model can change the original sliding friction into rolling friction by using the steel ball 8 and the ball screw 7, thereby effectively reducing the wear between the rolling sleeve 3 and the composite tube winding disc body 1, reducing noise and increasing its service life.
[0032] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have been fully recorded in the technical requirements.
Claims
1. A rolling composite pipe rewound disc structure, characterized in that: It comprises a composite tube rewinding disc body, a central through shaft, a rolling sleeve and a limiting bolt; the central through shaft is horizontally arranged, and a composite tube rewinding disc body for retracting and releasing wires is coaxially sleeved thereon, and an axial hole matching the rolling sleeve is coaxially embedded in the middle of the left and right end surfaces of the composite tube rewinding disc body, and rolling sleeves are coaxially sleeved on the central through shaft relative to the position of the axial hole; each of the rolling sleeves is locked and fixed to the central through shaft by limiting bolts, and the composite tube rewinding disc body is rolling and rotatingly connected to the outer circumferential surface of each rolling sleeve, so that the composite tube rewinding disc body can rotate around the central through shaft, and the retracting and releasing wires can be performed through the composite tube rewinding disc body.
2. The rolling composite pipe rewound large disc structure according to claim 1, characterized in that: Each of the rolling sleeves is a hollow cylindrical structure that matches the center through shaft, and its cross-section is T-shaped; both ends of each of the rolling sleeves are open, and they are coaxially sleeved on the corresponding positions on the center through shaft, and the outer circumferential surface of the small diameter end of each of the rolling sleeves is coaxially sleeved in the left and right side axial holes of the composite tube and complex winding large disk body, and the inner side surface of the large diameter end is respectively fitted with the corresponding outer side surface of the composite tube and complex winding large disk body, thereby axially positioning the rolling sleeve, and then locking and fixing the rolling sleeve and the center through shaft by limiting bolts, thereby avoiding wear between the rolling sleeve and the center through shaft.
3. The rolling composite pipe rewound large disc structure according to claim 2, characterized in that: A plurality of positioning holes matching the limit bolts are evenly and spacedly embedded in the outer circumferential surface of the large diameter end of each rolling sleeve along its circumferential direction. Each positioning hole is opened along the radial direction of the corresponding rolling sleeve and extends out of the inner circumferential surface of the corresponding rolling sleeve.
4. The rolling composite pipe rewound large disc structure according to claim 3, characterized in that: A number of internal threaded holes matching the limiting bolts are evenly spaced and embedded in the outer circumferential surface of the center through shaft at a position relative to the positioned rolling sleeve. Each of the internal threaded holes is opened along the radial direction of the center through shaft, and its opening position corresponds to the setting position of each positioning hole on the corresponding rolling sleeve. Then, the rolling sleeve and the center through shaft are locked and fixed through the cooperation of the internal threaded holes, the positioning holes and the limiting bolts.
5. The rolling composite pipe rewound large disc structure according to claim 4, characterized in that: The large diameter end of each rolling sleeve does not interfere with the rotation of the composite tube rewound large disk body, and the locking of each limit bolt does not interfere with the rotation of the composite tube rewound large disk body.
6. The rolling composite pipe rewound large disc structure according to claim 2, characterized in that: On the outer circumferential surface of the small diameter end of each rolling sleeve, a plurality of rolling components are coaxially sleeved in sequence along its length direction, and each rolling sleeve is coaxially sleeved in the left and right side axial holes of the composite tube complex winding disk body through the rolling components, so that the composite tube complex winding disk body and the corresponding rolling sleeve can roll around their own axes through the rolling components.
7. The rolling composite pipe rewound large disc structure according to claim 6, characterized in that: Each of the rolling components comprises a ball screw and a steel ball; a plurality of through holes are evenly spaced and embedded along the circumferential direction of the outer circumferential surface of the small diameter end of each rolling sleeve relative to the position of each rolling component, and each of the through holes is opened along the radial direction of the corresponding rolling sleeve, and each of the through holes is divided into an outer half and an inner half along its length direction, and the inner diameter of the inner half of each through hole is smaller than the inner diameter of the outer half; the inner half of each through hole is a threaded section matching the ball screw, and is arranged on the side close to the center of the corresponding rolling sleeve, and a ball screw is coaxially screwed in the inner half; a steel ball matching it is embedded in the outer half of each through hole, and each of the steel balls extends out of the outer circumferential surface of the small diameter end of the corresponding rolling sleeve, and contacts the inner circumferential walls of the shaft holes on the left and right sides of the composite tube winding disk body, and then the composite tube winding disk body is connected to the corresponding rolling sleeve in a rolling manner through the steel balls.
8. The rolling composite pipe rewound large disc structure according to claim 7, characterized in that: A ball limiting surface matching the steel ball is embedded in the middle position of one end face of each ball top screw close to the steel ball, and each of the ball limiting surfaces is coaxially spaced with the corresponding steel ball, and gaps are formed with the corresponding steel balls respectively, so that the rotational resistance between the composite tube composite winding disk body and the rolling sleeve is reduced by filling grease in the gap; an oil storage groove is embedded in the middle position of the bottom of the ball limiting surface of each ball top screw, and each of the oil storage grooves is connected with the corresponding gap respectively, so that grease is stored through the oil storage groove.
