A fishing rod line guide
By designing a fishing rod and line guide, and utilizing a conical spring and line loop structure, the problem of line wear caused by fish escaping after being hooked is solved. This achieves buffering and lubrication of the fishing line, improving the convenience of reeling in the line and extending its service life.
Patent Information
- Application Number
- CN202411250026.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2044-09-06
AI Technical Summary
When fishing, fish tend to dart away after being hooked, making it more difficult to reel in the line and causing the line to wear out, resulting in a shorter lifespan.
A fishing rod and fishing line guide has been designed, including a fixed sleeve, first and second guide mechanisms, and a structure of conical springs, rubber collars, sponge cores and multiple guide rings. By bending the conical springs and adjusting the angle of the guide rings, the wear of the fishing line is reduced, and by replenishing the lubricating oil in the sponge core, the cushioning and lubrication effect of the fishing line is improved.
It effectively reduces wear and tear on the fishing line during the retrieval process, extends its service life, increases the ease of retrieval, and reduces the frictional resistance between the fishing line and the guide wire.
Smart Images

Figure CN118923636B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of fishing tackle, in particular to a fishing rod fishing line guide. BACKGROUND
[0002] As an outdoor leisure sport, with the increase of fishing enthusiasts, the types of fishing tackle are also increasing, and people's requirements for fishing tackle are also increasing. Fishing tackle is related to the fishing level and efficiency of anglers.
[0003] A fishing tackle line guide and fishing tackle are disclosed in CN208739938U, which relates to the technical field of fishing tackle. The device solves the technical problem of inconvenient use of fishing tackle line and line collection in the prior art. The device includes a line guide body, wherein the line guide body is rotationally connected with the line cup of the fishing tackle. The line guide body is provided with a line outlet and a guide groove. When the line guide body is in the line outlet state, the fishing line can pass through the line outlet and be fed to the outside of the fishing tackle. When the line guide body is rotated to the line collection state under the drive of the drive device of the fishing tackle, the fishing line can pass through the guide groove and be wound on the line cup.
[0004] However, in actual use, after the fish is hooked, it will escape in all directions, causing the fishing line to form an angle of less than 90 degrees with the line guide. When the line is collected, the fishing line always scratches on the line guide, increasing the difficulty of line collection and causing wear and even breakage of the fishing line, resulting in a short service life.
[0005] Therefore, we propose a fishing rod fishing line guide to solve the above problems. SUMMARY
[0006] The present application aims to provide a fishing rod fishing line guide to solve the problem of fish escaping in all directions after being hooked, increasing the difficulty of line collection and causing wear of the fishing line.
[0007] To achieve the above purpose, the present application provides the following technical scheme: a fishing rod fishing line guide, comprising a fixed sleeve and a first support mechanism installed on the upper end of the fixed sleeve, the upper end of the first support mechanism being provided with a first line guide mechanism;
[0008] The first line guide mechanism comprises a first line guide ring, and a sliding rail is fixedly installed on the inner wall of the first line guide ring.
[0009] A second line guide mechanism is installed on one side of the first line guide mechanism, and a second support mechanism is connected between the second line guide mechanism and the fixed sleeve.
[0010] The third wire mechanism is internally provided with a rubber sleeve ring, and a first sliding groove is formed in the outer periphery of the rubber sleeve ring.
[0011] An inner wire ring is mounted on the inner wall of the rubber sleeve ring.
[0012] One end of the rubber sleeve ring is fixedly mounted with a conical spring, and one end of the conical spring is fixedly mounted with a wire outlet ring body.
[0013] The inner wire ring comprises groove plates, and the groove plates are fixedly mounted with protruding plates at both ends, a plurality of groove plates and protruding plates are combined into an annular structure, oil outlet holes are formed in the groove plates, a sponge inner core is arranged in the rubber sleeve ring, and a plurality of second through holes are equidistantly formed in the outer periphery of the rubber sleeve ring.
[0014] The first wire ring is composed of the inner wire ring and the outer wire ring, wherein the inner wire ring is a ceramic piece, the outer diameter of the inner wire ring is equal to the inner diameter of the outer wire ring, and the inner wire ring is fixedly mounted in the outer wire ring.
[0015] The first support mechanism comprises a first fixed ring fixedly mounted on the fixed sleeve, two first support rods are fixedly mounted on both sides of the upper end of the first fixed ring, a stable rod is jointly mounted between adjacent two first support rods, and a first spherical joint is rotatably arranged at the upper ends of the two first support rods.
[0016] The first support mechanism is made of fiber-reinforced thermoplastic material and is integrally formed with the outer wire ring.
[0017] The first wire ring and the first support mechanism form a first guide, and the second wire mechanism and the second support mechanism form a second guide.
[0018] Preferably, the manufacturing process of the first guide comprises the following steps:
[0019] S1, preparing fiber-reinforced thermoplastic material;
[0020] S2, preparing a mold according to the shape of the outer wire ring and the first support mechanism;
[0021] S3, injecting the fiber-reinforced thermoplastic material into the mold for injection molding, and then performing magnetic cleaning after demolding, to obtain the first support mechanism and the integrally formed reinforcing sleeve and outer wire ring;
[0022] S4, preparing an inner wire ring, and then assembling the inner wire ring, sponge inner core and rubber sleeve ring from inside to outside, and finally mounting the finished product in the outer wire ring;
[0023] S5: repeat the above steps, making the second wire mechanism and the second support mechanism, and assembling them;
[0024] In step S1, the thermoplastic raw material is heated to a molten state, then the thermoplastic raw material is infiltrated into the fiber material to obtain a mixed material; the mixed material is cooled and pulled and cut to obtain the fiber-reinforced thermoplastic material;
[0025] The thermoplastic raw material is one of PA, PARA, PPO, PPA, PPS, POM; the fiber material is one of carbon fiber, glass fiber, metal fiber, aramid fiber;
[0026] In step S3, the fiber-reinforced thermoplastic material is dried and heated to a molten state, then it is injected into a mold and cooled to shape;
[0027] The drying temperature is 50-100℃, and the drying time is 2-4 hours;
[0028] The dried fiber-reinforced thermoplastic material is heated to 300-350℃;
[0029] Before the fiber-reinforced thermoplastic material is injected into the mold, the mold is first heated to 50-160℃.
[0030] Preferably, step S4 further includes the following steps:
[0031] S401: First, make the embryo of the inner wire ring, select the following weight parts of materials: zirconium oxide 56-60 parts, aluminum oxide 25-28 parts, cerium oxide 7-8 parts, lanthanum oxide 5 parts, borax 4-5 parts and boron nitride 2-3 parts to make a mixed powder, add sodium alginate, sodium lignosulfonate, sodium hexametaphosphate, polyethylene glycol and deionized water to make a mixture after passing through a 200 mesh sieve;
[0032] S402: Put it into a planetary high-energy ball mill, use ethanol as the ball milling medium, the mass ratio of the mixture, ethanol and grinding balls is 1:(0.8-1.2):(1.8-2.5), after high-energy ball milling for 4-12h, the mud is obtained, the mud is degassed to remove bubbles in the mud, then aged at 45-50℃ for 25-30 days to obtain the slurry, the obtained slurry is dried and ground, then passed through a 200-300 mesh sieve to obtain the ceramic raw material powder;
[0033] S403: Add 0.5%-1% of the weight of the composite powder to the binder, granulate, pass through a 60-100 mesh sieve, and then mold the granulated product to obtain a ring structure with a concave-convex inner wall, then spray dry to obtain the molded product;
[0034] S404: The green body is sent into the kiln and calcined in three stages under a nitrogen atmosphere. After calcination, it is naturally cooled to room temperature to obtain the final product.
[0035] S405: A first through hole and a second slide groove adapted to the first ball joint are made on the outer periphery of the first guide ring using a carving machine;
[0036] S406: Multiple vibrating feeders are used to transport the first guide ring and the integrated structure of the first fixing ring, the first support rod, the stabilizing rod, and the first ball joint to the assembly worktable.
[0037] S407: The assembly machine installs one end of the first ball joint onto one end of the stabilizing rod and engages the first ball joint in the second groove;
[0038] S408: Place the line guide on the bonding fixture on the workbench, apply resin glue to the inside of the first line ring, press the inner line ring into the outer line ring, and the resulting product is the first line guide of the finished fishing line guide.
[0039] S409: Weld a first spring and a conical spring to both ends of the finished first guide wire respectively.
[0040] Preferably, in the manufacturing process of the first guide, in step S409, both the conical spring and the first spring are made of steel wire, wherein the manufacturing process of the conical spring includes the following steps:
[0041] S4091: The protruding steel wire is wound onto a winding machine, and the rotation of the winding machine is used to pull the steel wire.
[0042] S4092: Install a heater on one side of the winding machine outlet to heat the steel wire to eliminate steel wire stress, remove the oxide layer and foreign matter on the surface of the steel wire, spray phosphating solution on the surface of the steel wire to phosphate and wash away foreign matter on the surface of the steel wire.
[0043] S4093: The pickled and phosphated steel wire is placed in the active wire feeding device, and the straightened steel wire is fed out through the wire feeding guide roller; the wire fed out is then drawn into the required shape and size specifications by several drawing dies.
[0044] S4094: The drawn steel wire passes through the inner cavity of the shot peening machine and shot peening is performed on the outer surface of the steel wire to create holes. The outer surface of the steel wire after shot peening will be covered with micropores.
[0045] S4095: Prepare a lubricating oil bucket, let the lubricating oil seep into the coating brush, and use two coating brushes to coat the surface of the spring steel wire with lubricating oil. The lubricating oil seeps into the micropores, and a lubricating film is formed on the surface of the spring steel wire. Finally, the spring steel wire passes through the inside of the drying tank.
[0046] S4096: quenching and tempering the spring steel wire, the outer surface of the spring steel wire after heat treatment forms an outer surface oxidation layer, and the brittle outer surface oxidation layer gradually falls off and fails with the deformation of the steel wire; at the same time, the secondary surface self-lubricating layer containing lubricant is affected by the deformation stress and deformation heat, and the solid lubricating phase spontaneously forms a continuous lubricating phase film to replace the outer surface oxidation layer to continue to lubricate the surface of the spring steel wire, ensuring that the surface of the spring steel wire is always in a self-lubricating state during the winding of the spring;
[0047] S4097: one end of the conical spring is welded to the first wire ring, and the other end is welded to itself to form a ring structure.
[0048] The second guide is made by the following steps:
[0049] The material of the second guide is also glass fiber reinforced thermoplastic material, and the equipment for preparing the material includes a fiber roll group, a pultrusion resin tank, a wet dipping tank, a traction device, a cutting machine, and a packaging machine. The operation method of the first guide is consistent with the above:
[0050] Repeat the above steps to make the second wire mechanism and the second support mechanism.
[0051] Preferably, a first through hole is formed in the first wire ring, and a second sliding groove is formed on both sides of the outer periphery of the first wire ring. The first spherical joint is slidingly installed in the second sliding groove.
[0052] Preferably, the second wire mechanism includes a second wire ring, and a first spring is installed between the second wire ring and the first wire ring. A third sliding groove is formed on both sides of the outer periphery of the second wire ring.
[0053] Preferably, the second support mechanism includes a second fixed ring fixedly installed on the fixed sleeve, a connecting block fixedly installed on the upper end of the second fixed ring, a third spherical joint rotatably installed on the upper end of the connecting block, and an extension sleeve fixedly installed on the upper end of the third spherical joint.
[0054] Preferably, the second wire mechanism further includes a second spherical joint slidingly installed in the third sliding groove, a second support rod rotatably installed between the two second spherical joints, a sliding rod fixedly installed on the lower end of the second support rod, a sliding block fixedly installed on the lower end of the sliding rod, and a second spring connected between the sliding block and the extension sleeve.
[0055] Preferably, the manufacturing process of the first guide, wherein the process of the second wire mechanism is as follows:
[0056] S1, support manufacturing: the shapes of the second support rod, the slide rod, the sliding block, the second fixed ring, the connecting block and the telescopic sleeve are poured through a mold, the second spring is assembled on the slide rod, and the second support rod and the slide rod are welded together, and the slide rod is inserted into the telescopic sleeve;
[0057] S2, joint assembly: a groove is formed at the upper end of the second support rod, and the second spherical joint 48 is assembled;
[0058] S3, tempering treatment: the assembled components are subjected to tempering treatment, so that the steel wire diameter of the second spring increases, so that the second spring tightly wraps the slide rod;
[0059] S4, finishing: the above components are subjected to magnetic polishing, passivation and closing treatment.
[0060] In step S1, the second spring and the slide rod are gap fitted, and the gap value is 0.04-0.05mm.
[0061] The steel wire material of the second spring is selected from 1Cr18Ni9, the heat treatment tempering temperature is 350±10℃, and the outer diameter size of the second spring before heat treatment is controlled to be 0-0.1mm.
[0062] Preferably, the outer periphery of the first wire guide mechanism is also provided with an oil injection mechanism, the oil injection mechanism comprises a reinforcing sleeve fixedly installed on the outer periphery of the first wire guide ring, an oil storage cylinder is arranged in the reinforcing sleeve, one end of the oil storage cylinder is in communication with the first through hole, a third through hole is formed on one side of the oil storage cylinder, a piston head is slidably installed in the oil storage cylinder, a threaded rod is fixedly installed at one end of the piston head, the threaded rod is in threaded connection with the reinforcing sleeve, and a handle is fixedly installed at one end of the threaded rod.
[0063] Compared with the prior art, the beneficial effects of the present application are:
[0064] 1、After the fishing line is extended, it is sequentially threaded through a plurality of second wire guide mechanisms, inner wire guide rings, conical springs and line exit ring bodies, when a fish is hooked, the fish drags the fishing line and swims to a position far away from the fishing rod, the conical spring is bent and abuts against one side of the fishing line, greatly increasing the curvature of the fishing line caused by dragging, facilitating the reeling of the fishing line, and solving the problem that the fish escapes in all directions after being hooked in the background art, which not only increases the difficulty of reeling, but also easily causes wear of the fishing line.
[0065] 2. The angles of the first and second guide rings are adjustable. When the angle of the first guide ring changes, the first spring deforms, which in turn causes the second guide ring to deform. The slider and slide block move upward, and the second spring is compressed, further providing buffering and protection. When the fishing line stops being stressed, the first and second guide rings can be reset with the combined action of the second and first springs, allowing for repeated use.
[0066] 3. Multiple grooved plates and raised plates are combined to form a ring structure. When the fishing line is attached to the inner guide ring, it will be stuck in the grooved plate. As the fish swims around, it drives the inner guide ring to swing in the first guide ring, reducing wear. When the fishing line is attached to the grooved plate, the corresponding sponge core is squeezed, which further plays a buffering role.
[0067] 4. When the fishing line is attached to the groove plate, the corresponding sponge core is compressed, and the lubricating oil can flow out from the oil outlet and wet the fishing line. Therefore, the fishing line is lubricated during the reeling process, which further reduces the wear of the fishing line.
[0068] 5. As the fish moves after being hooked, the inner guide ring swings continuously. When it reconnects with the third and second through holes, it replenishes the lubricating oil inside the sponge core.
[0069] 6. When the first line guide is installed on the fishing rod, it can provide good line guiding effect. The resistance between the fishing line and the first line guide is small, and the fishing rod is not affected by the first line guide during use. The line guide in this embodiment is lightweight, strong, and has a long service life. Attached Figure Description
[0070] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0071] Figure 2 This is a top view of the entire invention;
[0072] Figure 3 For the present invention Figure 2 AA section diagram;
[0073] Figure 4 This is a schematic diagram of the first support mechanism of the present invention;
[0074] Figure 5 This is a schematic diagram of the third conductor mechanism of the present invention;
[0075] Figure 6 This is a schematic diagram of the second conductor mechanism of the present invention;
[0076] Figure 7 This is a cross-sectional view of the oil injection mechanism of the present invention;
[0077] Figure 8 The application is Figure 7 Enlarged view of A in the figure.
[0078] In the figure: 1, fixed sleeve; 2, first support mechanism; 21, first fixed ring; 22, first support rod; 23, stabilizing rod; 24, first spherical joint; 3, first guide mechanism; 31, first guide ring; 32, slide rail; 33, first through hole; 34, second sliding groove; 4, second guide mechanism; 41, second guide ring; 42, first spring; 43, third sliding groove; 44, second support rod; 45, slide rod; 46, sliding block; 47, second spring; 48, second spherical joint; 5, second support mechanism; 51, second fixed ring; 52, connecting block; 53, third spherical joint; 54, telescopic sleeve; 6, third guide mechanism; 61, rubber sleeve ring; 62, first sliding groove; 63, inner guide ring; 631, recessed plate; 632, protruding plate; 633, oil outlet hole; 64, conical spring; 65, wire outlet ring body; 66, sponge inner core; 67, second through hole; 7, oil injection mechanism; 71, reinforcing sleeve; 72, oil storage cylinder; 73, third through hole; 74, piston head; 75, threaded rod; 76, handle. DETAILED DESCRIPTION
[0079] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.
[0080] Embodiment one: please refer to Figures 1-5 The application provides a technical solution: a fishing rod fishing line guide device, which comprises a fixed sleeve 1 and a first support mechanism 2 installed at the upper end of the fixed sleeve 1, and the upper end of the first support mechanism 2 is provided with a first guide mechanism 3.
[0081] The first guide mechanism 3 comprises a first guide ring 31, and a slide rail 32 is fixedly installed on the inner wall of the first guide ring 31.
[0082] A second guide mechanism 4 is installed on one side of the first guide mechanism 3, and a second support mechanism 5 is connected between the second guide mechanism 4 and the fixed sleeve 1, the second guide mechanism 4 is provided in plurality and is equidistantly installed on the fishing rod, and the second support mechanism 5 is used for supporting the second guide mechanism 4.
[0083] The first guide mechanism 3 is internally provided with a third guide mechanism 6, the third guide mechanism 6 comprises a rubber sleeve ring 61 arranged in the first guide ring 31, a first sliding groove 62 is formed in the outer periphery of the rubber sleeve ring 61, and the slide rail 32 is slidingly installed in the first sliding groove 62.
[0084] The inner wall of the rubber sleeve 61 is provided with an inner wire ring 63.
[0085] One end of the rubber sleeve 61 is fixedly provided with a conical spring 64, one end of the conical spring 64 is fixedly provided with a wire outlet ring body 65, the wire outlet ring body 65 is coaxially arranged with the inner wire ring 63, and after winding, the small-diameter conical spring 64 can block some sundries from sticking to the fishing line.
[0086] In the embodiment, the fixed sleeve 1 is fixedly installed at one end of the fishing rod, the first wire ring 31 is located at the front end of the fishing rod, and a plurality of second wire mechanisms 4 are sequentially installed, the fishing line passes through the plurality of second wire mechanisms 4, the inner wire ring 63, the conical spring 64 and the wire outlet ring body 65 in sequence after being extended, the wire outlet ring body 65 is coaxial with the center of the inner wire ring 63, so that the fishing line is always located at the center of the inner wire ring 63 without external force, the contact and friction between the fishing line and the inner wire ring 63 are reduced, and the fishing line is buffered when being suddenly straightened.
[0087] When a fish is hooked and the fish drags the fishing line and swims to a position far away from the fishing rod, the conical spring 64 is bent and abuts against one side of the fishing line, so that the curvature of the fishing line caused by the dragging is greatly increased, and the fishing line is easily wound.
[0088] Through the cooperation between the inner wire ring 63, the first sliding groove 62, the sliding rail 32 and the first wire ring 31, the inner wire ring 63 is rotationally connected with the first wire ring 31, after the fishing line is dragged, part of the fishing line is attached to the inner wall of the inner wire ring 63, and the inner wire ring 63 is driven to rotate along with the swimming of the fish, so that the abrasion of the fishing line caused by the left and right forces is reduced, and the fishing line is easily wound.
[0089] The conical spring 64 has a rebounding force, after the fishhook stops being stressed, the wire outlet ring body 65 is reset, and the fishing line is returned to the initial position, so that the user can reposition.
[0090] Embodiment two: please refer to Figures 1-4 The first support mechanism 2 includes a first fixed ring 21 fixedly installed on the fixed sleeve 1, two first support rods 22 are fixedly installed on the two sides of the upper end of the first fixed ring 21, a stable rod 23 is jointly installed between the two adjacent first support rods 22, and a first spherical joint 24 is rotationally connected to the upper ends of the two first support rods 22.
[0091] Through the cooperation between the first support rod 22 and the stable rod 23, the first wire ring 31 can be supported, wherein the first support rod 22 and the stable rod 23 are made of flexible metal and have a certain toughness and are not easy to break after being bent, so that the first support rod 22 and the stable rod 23 can adaptively deform after being dragged by the fish, and the fish can be avoided to swim in a large range, so that the fishing line is easily wound.
[0092] The first wire ring 31 is provided with a first through hole 33, and two second sliding grooves 34 are formed on the outer periphery of the first wire ring 31. The first spherical joint 24 is slidingly installed in the second sliding groove 34. Under the action of the first spherical joint 24, the first wire ring 31 can rotate about the first support rod 22, the activity range is increased, and the possibility that the fish line bending angle is too small is further reduced, and the use effect is good.
[0093] Embodiment three: please refer to Figures 1-6 The second wire mechanism 4 comprises a second wire ring 41, and a first spring 42 is jointly installed between the second wire ring 41 and the first wire ring 31. Two third sliding grooves 43 are formed on the outer periphery of the second wire ring 41.
[0094] The second wire ring 41 and the first spring 42 are connected and installed at the tail of the fishing rod, which is convenient for guiding the long fish line. The first spring 42 is connected with the first wire ring 31. When the first wire ring 31 changes the angle, the first spring 42 adaptively deforms to prevent the first wire ring 31 and the second wire ring 41 from generating the bending angle and the abrasion. At the same time, the first spring 42 further plays a buffering role for the sudden straightening of the fish line.
[0095] The second support mechanism 5 comprises a second fixed ring 51 fixedly installed on the fixed sleeve 1. The upper end of the second fixed ring 51 is fixedly installed with a connecting block 52. The upper end of the connecting block 52 is rotatably installed with a third spherical joint 53. The upper end of the third spherical joint 53 is fixedly installed with an extension sleeve 54. The angle of the subsequent second wire ring 41 can be adjusted. When the fish line on the upper part of the fishing rod is lifted, the adjacent second wire ring 41 adaptively rotates to reduce the abrasion at the bending part, and the use effect is good.
[0096] The second wire mechanism 4 further comprises a second spherical joint 48 slidingly installed in the third sliding groove 43. Two second spherical joints 48 are jointly rotatably installed with a second support rod 44. The lower end of the second support rod 44 is fixedly installed with a sliding rod 45. The lower end of the sliding rod 45 is fixedly installed with a sliding block 46. The sliding block 46 is slidingly installed in the extension sleeve 54. The sliding block 46 and the extension sleeve 54 are jointly connected with a second spring 47.
[0097] When the first wire ring 31 changes the angle, the first spring 42 deforms, and the second wire ring 41 also deforms. The sliding rod 45 and the sliding block 46 move upward, and the second spring 47 is compressed, which further plays a buffering and protection role. When the fish line stops being stressed, under the joint cooperation of the second spring 47 and the first spring 42, the first wire ring 31 and the second wire ring 41 can be reset, and can be repeatedly used for multiple times.
[0098] Embodiment four: please refer to Figures 5-7The inner guide wire ring 63 comprises recessed plates 631, and the two ends of each recessed plate 631 are fixedly provided with a protruding plate 632. A plurality of recessed plates 631 and protruding plates 632 are combined into a ring structure. When the fishing line is attached to the inner guide wire ring 63, the fishing line is clamped in the recessed plate 631, so that the fishing line does not swing left and right in the inner guide wire ring 63, but drives the inner guide wire ring 63 to swing in the first guide wire ring 31, thereby reducing the abrasion.
[0099] The rubber sleeve 61 is internally provided with a sponge inner core 66.
[0100] The rubber sleeve 61 is internally provided with a sponge inner core 66.
[0101] Embodiment five: please refer to Figures 5-8 The outer periphery of the first guide wire mechanism 3 is further provided with an oil injection mechanism 7. The oil injection mechanism 7 comprises a reinforcing sleeve 71 fixedly installed on the outer periphery of the first guide wire ring 31. The reinforcing sleeve 71 is internally provided with an oil storage cylinder 72. One end of the oil storage cylinder 72 is in communication with the first through hole 33. A third through hole 73 is formed in one side of the oil storage cylinder 72. A piston head 74 is slidably installed in the oil storage cylinder 72. One end of the piston head 74 is fixedly provided with a threaded rod 75. The threaded rod 75 is threadedly connected with the reinforcing sleeve 71. One end of the threaded rod 75 is fixedly provided with a handle 76.
[0102] The outer periphery of the rubber sleeve 61 is equidistantly provided with a plurality of second through holes 67. The lubricating oil is injected into the oil storage cylinder 72. The handle 76 is rotated. The piston head 74 moves in the oil storage cylinder 72. At the same time, the inner guide wire ring 63 is rotated. The third through hole 73 and the second through hole 67 are in communication. Until the sponge inner core 66 is soaked with the lubricating oil, the third through hole 73 and the second through hole 67 are misaligned. The oil storage cylinder 72 can be closed.
[0103] The recessed plate 631 is provided with an oil outlet hole 633. When the fishing line is attached to the recessed plate 631, the corresponding sponge inner core 66 is extruded. The lubricating oil can flow out of the oil outlet hole 633 and wet the fishing line. Therefore, in the process of winding the fishing line, the fishing line is lubricated, thereby further reducing the abrasion of the fishing line.
[0104] The sponge inner core 66 has the function of absorbing oil. When the fishing line does not contact the inner guide wire ring 63, the oil outlet hole 633 will not discharge oil, which has the function of throttling.
[0105] In the process of use, with the swing of the hooked fish, the inner guide wire ring 63 swings continuously. When the third through hole 73 and the second through hole 67 are in communication again, the lubricating oil in the sponge inner core 66 can be replenished.
[0106] The first wire ring 31 is composed of an inner wire ring 63 and an outer wire ring, wherein the inner wire ring 63 is a ceramic piece with an outer diameter equal to the inner diameter of the outer wire ring, and the inner wire ring 63 is fixedly installed in the outer wire ring;
[0107] The first support mechanism 2 is made of fiber-reinforced thermoplastic material and is integrally formed with the outer wire ring;
[0108] The first wire ring 31 and the first support mechanism 2 form a first guide, and the second wire mechanism 4 and the second support mechanism 5 form a second guide.
[0109] Embodiment five: please refer to Figures 1-8 The application also discloses a manufacturing process of the fishing rod fishing line guide, taking the first guide as an example, which comprises the following steps:
[0110] S1, preparing fiber-reinforced thermoplastic material;
[0111] S2, respectively preparing molds according to the shapes of the outer wire ring and the first fixed ring 21, the first support rod 22 and the stabilizing rod 23;
[0112] S3, injection molding the fiber-reinforced thermoplastic material in the molds, and performing magnetic cleaning after demolding, to respectively obtain the first support mechanism 2 and the integrally formed reinforcing sleeve 71 and the outer wire ring;
[0113] S4, preparing the inner wire ring 63, and then assembling the inner wire ring 63, the sponge inner core 66 and the rubber sleeve ring 61 from inside to outside, and finally installing the finished product in the outer wire ring;
[0114] In step S1, the thermoplastic plastic raw material is heated to a molten state, then the thermoplastic plastic raw material is impregnated with a fiber material to obtain a mixed material; the mixed material is cooled and pulled and cut to obtain the fiber-reinforced thermoplastic material;
[0115] The thermoplastic plastic raw material is one of PA, PARA, PPO, PPA, PPS and POM; the fiber material is one of carbon fiber, glass fiber, metal fiber and aramid fiber;
[0116] In step S3, the fiber-reinforced thermoplastic material is dried and heated to a molten state, and then injected into the mold and cooled to set;
[0117] The drying temperature is 50-100 DEG C, and the drying time is 2-4 hours;
[0118] The fiber-reinforced thermoplastic material after drying is heated to 300-350 DEG C;
[0119] The mold is heated to 50-160°C before the fiber-reinforced thermoplastic material is injected into the mold. The present application is illustrated by specific examples as follows:
[0120] S01, preparing fiber-reinforced thermoplastic material;
[0121] The fiber-reinforced thermoplastic material of this embodiment is made of glass fiber. The equipment for preparing the material includes a fiber roll group, a pultrusion resin tank, a wet dipping tank, a traction device, a cutting machine, and a packaging machine. The specific process for preparing the glass fiber-reinforced thermoplastic material using the equipment is as follows:
[0122] The thermoplastic plastic is first heated to 350°C, at which temperature the thermoplastic material is in a molten state. Then it is injected into the pultrusion resin tank. The pultrusion resin tank is provided with a heat preservation device to keep the thermoplastic material molten.
[0123] In addition, the glass fiber bundle is preheated to 260°C and enters the pultrusion resin tank under the traction of the traction device to mix with the molten thermoplastic material.
[0124] The mixed material is poured into the wet dipping tank filled with water, which is equipped with a water circulation cooling device to cool the mixed material.
[0125] The cooled fiber bundle with thermoplastic plastic is cut into particles of the desired length by the cutting machine after passing through the traction machine, and the cut particles are then packaged in the packaging machine to obtain the glass fiber-reinforced thermoplastic material.
[0126] S02, making a mold according to the shape of the wire guide;
[0127] A mold for the first support mechanism 2 is made according to the shape of the wire guide (one mold with multiple cavities), which includes a mold frame, an upper mold block, a lower mold block, a sliding block, and an ejection device. The upper mold block, the lower mold block, and the sliding block are engraved with the required grooves for the shape of the first support mechanism 2 for injection molding.
[0128] S03, the fiber-reinforced thermoplastic material particles are dried in an oven at 80°C for 2-4 hours, heated to a molten state at 350°C in an injection molding machine, and then injected into a wire guide mold at 120°C. After the wire guide cools and sets, the mold is opened, and the wire guide blank is ejected by the ejection device.
[0129] The injection device used in this embodiment is shown in the figure, which includes a nozzle, a compression end, and a feeding end. The temperature setting values of each part of the device and the temperature of the wire guide mold are shown in Table 1:
[0130] Table 1
[0131]
[0132] The injection-molded wire guide blank is repaired for the material opening, and then is put into a magnetic cleaning machine for magnetic cleaning, polished for burrs for 5 minutes.
[0133] S4、wherein step S4 further comprises the following steps:
[0134] S401: First, make the embryo of the inner wire ring 63, select the following weight parts of materials: 56-60 parts of zirconia, 25-28 parts of alumina, 7-8 parts of cerium oxide, 5 parts of lanthanum oxide, 4-5 parts of borax and 2-3 parts of boron nitride to make a mixed powder, add sodium alginate, sodium lignosulfonate, sodium hexametaphosphate, polyethylene glycol and deionized water to make a mixture after sieving through a 200 mesh sieve;
[0135] S402: Put into a planetary high-energy ball mill, use ethanol as the ball milling medium, the mass ratio of the mixture, ethanol and grinding balls is 1:(0.8-1.2):(1.8-2.5), after high-energy ball milling for 4-12 hours, the mud is obtained, the mud is degassed to remove bubbles in the mud, and then aged at 45-50°C for 25-30 days to obtain a slurry, the obtained slurry is dried and ground, and then sieved through a 200-300 mesh sieve to obtain a ceramic raw material powder;
[0136] S403: Add 0.5%-1% of the weight of the obtained composite powder to the binder, granulate, sieve through a 60-100 mesh sieve, and then mold the granulated product to obtain a ring structure with a concave-convex inner wall, and then spray dry to obtain a molded product;
[0137] S404: Put the blank into a kiln, and calcine the pre-sintered body in a nitrogen atmosphere in three stages, and then naturally cool to room temperature after calcination to obtain the product.
[0138] In step S404, the time and temperature of the calcination are shown in Table 2:
[0139] Table 2
[0140]
[0141]
[0142] S405: Use a carving machine to open a first through hole 33 and a second sliding groove 34 adapted to the first spherical joint 24 on the outer periphery of the first wire ring 31;
[0143] S406: Use multiple vibrating feeders to respectively transport the first wire ring 31 and the integrated structure of the first fixed ring 21, the first support rod 22, the stabilizing rod 23, and the first spherical joint 24 to an assembly workbench;
[0144] S407: one end of the first spherical joint 24 is installed on one end of the stable rod 23 by the assembling machine, and the first spherical joint 24 is clamped in the second sliding groove 34;
[0145] S408: the wire guide is placed on the bonding jig of the workbench, the resin glue is applied in the first wire ring 31, the inner wire ring 63 is pressed into the outer wire ring, and the obtained product is the first wire guide of the finished product fishing line guide;
[0146] S409: the first spring 42 and the conical spring 64 are respectively welded on both ends of the finished first wire guide.
[0147] In step S409, the conical spring 64 and the first spring 42 are both made of steel wire, and the manufacturing process of the conical spring 64 includes the following steps:
[0148] S4091: the steel wire is wound on the winding machine, and the steel wire is moved by rotating the winding machine;
[0149] S4092: a heater is installed on one side of the outlet of the winding machine, the steel wire is heated to eliminate the stress of the steel wire, remove the oxide layer and foreign matter on the surface of the steel wire, and the phosphating liquid is sprayed on the surface of the steel wire to perform phosphating and flush away the foreign matter on the surface of the steel wire;
[0150] S4093: the steel wire after pickling and phosphating is placed in the active wire feeding device, and the straightened steel wire is fed out through the wire feeding guide; the steel wire after feeding is sequentially drawn through a plurality of drawing dies to form a shaped steel wire with a required shape and size specification;
[0151] S4094: the shaped steel wire after drawing penetrates the inner cavity of the shot blasting machine, and the outer extension layer of the shaped steel wire is shot blasted to form pores; the outer extension layer of the shaped steel wire after shot blasting treatment is covered with micro-pores;
[0152] S4095: a lubricating oil bucket is prepared, lubricating oil is infiltrated into the coating brushes, and the surface of the spring steel wire is coated with lubricating oil by using the two coating brushes; the lubricating oil infiltrates into the micro-pores, and a lubricating film is formed on the surface of the spring steel wire; finally, the spring steel wire passes through the inside of the drying groove;
[0153] S4096: the spring steel wire is quenched and tempered; after heat treatment, a layer of outer surface oxide layer is formed on the periphery of the spring steel wire, and the brittle outer surface oxide layer gradually falls off and fails with the deformation of the steel wire; at the same time, the secondary surface self-lubricating layer containing lubricating oil is affected by deformation stress and deformation heat, and a continuous lubricating phase film is spontaneously formed, replacing the outer surface oxide layer to continue to lubricate the surface of the spring steel wire, ensuring that the surface of the spring steel wire is always in a self-lubricating state during the spring winding process;
[0154] S4097: One end of the conical spring 64 is welded on the first wire ring 31, and the other end is welded with itself to form a ring structure.
[0155] The second guide is made by the following steps:
[0156] The second guide is also made of glass fiber reinforced thermoplastic material, and the equipment for preparing the material includes a group of fiber rolls, a pultrusion resin tank, a wet dipping tank, a traction device, a cutting machine, and a packaging machine. The operation method of the first guide is consistent with the above:
[0157] The second wire mechanism 4 and the second support mechanism 5 are made and assembled, and the process of the second wire mechanism 4 is as follows:
[0158] S1, bracket making: The shapes of the second support rod 44, the sliding rod 45, the sliding block 46, the second fixed ring 51, the connecting block 52, and the telescopic sleeve 54 are poured through a mold, the second spring 47 is assembled on the sliding rod 45, and the second support rod 44 and the sliding rod 45 are welded and fixed together, and the sliding rod 45 is inserted into the telescopic sleeve 54;
[0159] S2, joint assembly: A groove is formed at the upper end of the second support rod 44, and the second spherical joint 48 is assembled;
[0160] S3, tempering treatment: The assembled components are subjected to tempering treatment, so that the steel wire diameter of the second spring 47 increases, thereby tightly wrapping the second spring 47 on the sliding rod 45;
[0161] S4, finishing: The above components are subjected to magnetic polishing, passivation and closing treatment.
[0162] In step S1, the second spring 47 and the sliding rod 45 are gap fitted, and the gap value is 0.04-0.05mm.
[0163] The steel wire material used in the second spring 47 is selected from 1Cr18Ni9, the heat treatment tempering temperature is 350±10℃, and the outer diameter size of the second spring 47 before heat treatment is controlled to be 0-0.1mm.
[0164] After testing, the first guide prepared in this embodiment can have good wire guiding effect when installed on a fishing rod, the resistance between the fishing line and the first guide is small, and the fishing rod is not affected by the first guide during use. The guide of this embodiment is light in quality, good in strength, and long in service life.
[0165] The contents not described in detail in this specification belong to the existing technology known to those skilled in the art.
[0166] Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified, or some of the technical features can be replaced by equivalent features, by those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A fishing rod line guide device, comprising a fixed sleeve (1) and a first support mechanism (2) mounted on the upper end of the fixed sleeve (1), and a first guide mechanism (3) mounted on the upper end of the first support mechanism (2); characterized in that, the first guide mechanism (3) comprises a first guide ring (31), and a sliding rail (32) is fixedly mounted on the inner wall of the first guide ring (31); a second guide mechanism (4) is mounted on one side of the first guide mechanism (3), and a second support mechanism (5) is connected between the second guide mechanism (4) and the fixed sleeve (1); a third guide mechanism (6) is arranged inside the first guide mechanism (3), the third guide mechanism (6) comprises a rubber sleeve ring (61) arranged inside the first guide ring (31), a first sliding groove (62) is formed in the outer periphery of the rubber sleeve ring (61), and the sliding rail (32) is slidably mounted in the first sliding groove (62); an inner guide ring (63) is mounted on the inner wall of the rubber sleeve ring (61); a conical spring (64) is fixedly mounted at one end of the rubber sleeve ring (61), and a wire outlet ring body (65) is fixedly mounted at one end of the conical spring (64); the inner guide ring (63) comprises a groove plate (631), and protruding plates (632) are fixedly mounted at both ends of the groove plate (631); a plurality of the groove plates (631) and the protruding plates (632) are combined into an annular structure, an oil outlet hole (633) is formed in the groove plate (631), a sponge inner core (66) is arranged inside the rubber sleeve ring (61), and a plurality of second through holes (67) are equidistantly formed in the outer periphery of the rubber sleeve ring (61); the first guide ring (31) is composed of the inner guide ring (63) and an outer guide ring, wherein the inner guide ring (63) is a ceramic piece, the outer diameter of the inner guide ring (63) is equal to the inner diameter of the outer guide ring, and the inner guide ring (63) is fixedly mounted in the outer guide ring; the first support mechanism (2) comprises a first fixed ring (21) fixedly mounted on the fixed sleeve (1), two first support rods (22) are fixedly mounted on both sides of the upper end of the first fixed ring (21), a stable rod (23) is arranged between adjacent two first support rods (22), and a first spherical joint (24) is rotatably arranged at the upper ends of the two first support rods (22); the first support mechanism (2) is made of fiber-reinforced thermoplastic material and is integrally formed with the outer guide ring; the first guide ring (31) and the first support mechanism (2) constitute a first guide device, and the second guide mechanism (4) and the second support mechanism (5) constitute a second guide device.
2. A fishing rod line guide according to claim 1, wherein: The manufacturing process of the first guide device comprises the following steps: S1, preparing fiber-reinforced thermoplastic material; S2, making a mold according to the shape of the outer guide ring and the first support mechanism (2); S3, injecting the fiber-reinforced thermoplastic material into the mold for injection molding, and then performing magnetic cleaning after demolding to obtain the first support mechanism (2) and an integrally formed reinforcing sleeve (71) and outer guide ring, respectively. S4, prepare the inner wire ring (63), and then assemble the inner wire ring (63), the sponge inner core (66) and the rubber sleeve ring (61) from inside to outside, and finally install the finished product in the outer wire ring; S5: repeat the above steps to make the second wire mechanism (4) and the second support mechanism (5) and assemble them; In step S1, the thermoplastic raw material is heated to a molten state, then the thermoplastic raw material is infiltrated into the fiber material to obtain a mixed material; the mixed material is cooled and pulled and cut to obtain the fiber reinforced thermoplastic material; The thermoplastic raw material is one of PA, PARA, PPO, PPA, PPS, POM; the fiber material is one of carbon fiber, glass fiber, metal fiber and aramid fiber; In step S3, the fiber reinforced thermoplastic material is dried, heated to a molten state, then injected into a mold and cooled to shape; The drying temperature is 50-100℃, and the drying time is 2-4 hours; The dried fiber reinforced thermoplastic material is heated to 300-350℃; Before the fiber reinforced thermoplastic material is injected into the mold, the mold is heated to 50-160℃.
3. A fishing rod line guide according to claim 2, wherein: The manufacturing process of the first guide, in step S4, further includes the following steps: S401: first make the embryo of the inner wire ring (63), select the following weight parts of materials: 56-60 parts of zirconium oxide, 25-28 parts of aluminum oxide, 7-8 parts of cerium oxide, 5 parts of lanthanum oxide, 4-5 parts of borax and 2-3 parts of boron nitride to make a mixed powder, then add sodium alginate, sodium lignosulfonate, sodium hexametaphosphate, polyethylene glycol and deionized water to obtain a mixture after passing through a 200 mesh sieve; S402: put into a planetary high-energy ball mill, use ethanol as the ball milling medium, the mass ratio of the mixture, ethanol and grinding balls is 1:(0.8-1.2):(1.8-2.5), after high-energy ball milling for 4-12h, obtain the mud, remove the bubbles in the mud, then age at 45-50℃ for 25-30 days to obtain the mud slurry, after drying and grinding, pass through a 200-300 mesh sieve to obtain the ceramic raw material powder; S403: add 0.5%-1% of the binder to the obtained composite powder, granulate, pass through a 60-100 mesh sieve, and then mold to obtain a ring structure with a concave-convex inner wall, and then spray dry to obtain the molded product; S404: put the blank into the kiln, and calcine the pre-fired body in three stages in a nitrogen atmosphere, and then naturally cool to room temperature to obtain the product; S405: use a carving machine to open a first through hole (33) and a second sliding groove (34) adapted to the first spherical joint (24) on the outer periphery of the first wire ring (31); S406: use multiple vibrating feeders to respectively deliver the first wire ring (31) and the integrated structure of the first fixed ring (21), the first support rod (22), the stabilizing rod (23) and the first spherical joint (24) to the assembly workbench; S407: one end of the first spherical joint (24) is installed on one end of the stable rod (23) by the assembling machine, and the first spherical joint (24) is clamped in the second sliding groove (34); S408: the guide wire is placed on the bonding jig of the workbench, the resin glue is applied in the first guide wire ring (31), the inner guide wire ring (63) is pressed into the outer guide wire ring, and the obtained product is the first guide wire of the finished fishing line guide; S409: the first spring (42) and the conical spring (64) are welded on both ends of the finished first guide wire respectively.
4. A fishing rod line guide according to claim 3, wherein: The manufacturing process of the first guide device, in step S409, the conical spring (64) and the first spring (42) are both made of steel wire, and the manufacturing process of the conical spring (64) includes the following steps: S4091: the steel wire is wound on the winding machine, and the steel wire is pulled by the rotation of the winding machine; S4092: a heater is installed on one side of the outlet of the winding machine to heat the steel wire, so as to eliminate the stress of the steel wire, remove the oxide layer and foreign matter on the surface of the steel wire, spray phosphating liquid on the surface of the steel wire, and perform phosphating and flushing of the foreign matter on the surface of the steel wire; S4093: the steel wire after pickling and phosphating is placed in the driving pay-off device, and the straightened steel wire is paid out through the pay-off guide roller; the paid-out steel wire is then sequentially drawn through a plurality of drawing dies to form a shaped steel wire with a required shape and size specification; S4094: the shaped steel wire after drawing is penetrated from the inner cavity of the shot blasting machine to form shot blasting holes on the outer extension layer of the shaped steel wire, and the outer extension layer of the shaped steel wire after shot blasting treatment is covered with micropores; S4095: a lubricating oil bucket is prepared, lubricating oil is infiltrated into the coating brushes, and the surface of the spring steel wire is coated with lubricating oil by using the two coating brushes, the lubricating oil infiltrates into the micropores, a lubricating film is formed on the surface of the spring steel wire, and finally the spring steel wire passes through the inside of the drying tank; S4096: the spring steel wire is quenched and tempered, and a layer of outer surface oxide layer is formed on the periphery of the spring steel wire after heat treatment, and the brittle outer surface oxide layer gradually falls off and fails with the deformation of the steel wire; at the same time, the self-lubricating layer in the inner surface gradually forms a continuous lubricating phase film under the influence of deformation stress and deformation heat, which replaces the outer surface oxide layer to continue to lubricate the surface of the spring steel wire, ensuring that the surface of the spring steel wire is always in a self-lubricating state during the winding of the spring; S4097: one end of the conical spring (64) is welded on the first guide wire ring (31), and the other end is welded with itself to form a ring structure; The manufacturing process of the second guide device includes the following steps: The material of the second guide device is also glass fiber reinforced thermoplastic material, and the equipment for preparing the material includes a fiber roll group, a pultrusion resin tank, a wet type immersion tank, a traction device, a cutting machine and a packaging machine; the operation method of the first guide device is consistent with the above method: Repeat the above steps to manufacture the second guide mechanism (4) and the second supporting mechanism (5).
5. A fishing rod line guide according to claim 4, wherein: The first wire ring (31) is provided with a first through hole (33), and the two sides of the outer periphery of the first wire ring (31) are provided with a second sliding groove (34), and the first spherical joint (24) is slidingly installed in the second sliding groove (34).
6. A fishing rod line guide according to claim 5, wherein: The second wire mechanism (4) comprises a second wire ring (41), and a first spring (42) is jointly installed between the second wire ring (41) and the first wire ring (31), and the two sides of the outer periphery of the second wire ring (41) are provided with a third sliding groove (43).
7. A fishing rod line guide according to claim 6, wherein: The second support mechanism (5) comprises a second fixed ring (51) fixedly installed on the fixed sleeve (1), a connecting block (52) is fixedly installed at the upper end of the second fixed ring (51), a third spherical joint (53) is rotatably installed at the upper end of the connecting block (52), and an expansion sleeve (54) is fixedly installed at the upper end of the third spherical joint (53).
8. A fishing rod line guide according to claim 7, wherein: The second wire mechanism (4) further comprises a second spherical joint (48) slidingly installed in the third sliding groove (43), a second support rod (44) is rotatably installed between the two second spherical joints (48), a sliding rod (45) is fixedly installed at the lower end of the second support rod (44), a sliding block (46) is fixedly installed at the lower end of the sliding rod (45), the sliding block (46) is slidingly installed in the expansion sleeve (54), and a second spring (47) is connected between the sliding block (46) and the expansion sleeve (54).
9. A fishing rod line guide according to claim 8, wherein: The manufacturing process of the first guide, wherein the process of the second wire mechanism (4) is as follows: S1, bracket manufacturing: the shapes of the second support rod (44), the sliding rod (45), the sliding block (46), the second fixed ring (51), the connecting block (52), and the expansion sleeve (54) are poured through a mold, the second spring (47) is assembled on the sliding rod (45), and the second support rod (44) and the sliding rod (45) are welded and fixed together, and the sliding rod (45) is inserted into the expansion sleeve (54); S2, joint assembly: a groove body is formed at the upper end of the second support rod (44), and the second spherical joint (48) is assembled; S3, tempering treatment: the assembled components are subjected to tempering treatment, so that the steel wire diameter of the second spring (47) increases, so that the second spring (47) tightly wraps the sliding rod (45); S4, finishing: the above components are subjected to magnetic polishing, passivation and closing treatment; In step S1, the second spring (47) and the sliding rod (45) are gap fitted, and the gap value is 0.04-0.05mm; The steel wire material of the second spring (47) is selected from 1Cr18Ni9, the heat treatment tempering temperature is 350±10℃, and the outer diameter size of the second spring (47) before heat treatment is controlled to be 0-0.1mm.
10. A fishing rod line guide according to claim 9, wherein: The outer periphery of the first wire mechanism (3) is further provided with an oil injection mechanism (7), which comprises a reinforcing sleeve (71) fixedly installed on the outer periphery of the first wire ring (31), the inside of the reinforcing sleeve (71) is provided with an oil storage cylinder (72), one end of the oil storage cylinder (72) is in communication with the first through hole (33), a third through hole (73) is formed in one side of the oil storage cylinder (72), a piston head (74) is slidably installed in the inside of the oil storage cylinder (72), one end of the piston head (74) is fixedly installed with a threaded rod (75), the threaded rod (75) is in threaded connection with the reinforcing sleeve (71), and one end of the threaded rod (75) is fixedly installed with a handle (76).
Citation Information
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