Paddle rod with paddle lock
By introducing a circumferential locking opening and locking assembly into the paddle lock structure, the connection strength of the paddle is enhanced, solving the problem of easy breakage of paddle locks in the prior art and achieving the effect of not being easily broken.
Patent Information
- Application Number
- CN202520218701.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The existing telescopic propeller lock structure has a locking opening design between the fixed sleeve and the locking sleeve, which results in low connection strength and makes it easy to break or snap.
A paddle rod with a paddle lock was designed, wherein the paddle lock includes a fixed sleeve, a locking sleeve and a locking assembly. By setting a circumferential locking opening, a locking strip hole, a connecting protrusion and a locking assembly on the locking sleeve, the locking sleeve can be retracted or expanded by the cooperation of bolts, connecting shaft and cam pawl, thereby enhancing the connection strength.
This improved the connection strength of the paddle lock, preventing breakage between the fixing sleeve and the locking sleeve, and ensuring the stable use of the paddle.
Smart Images

Figure CN223764685U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a paddle lock structure technical field, concretely is a kind of paddle with simple structure, high connection strength, not easy to break paddle rod of paddle lock. BACKGROUND
[0002] It is known that boat paddle is necessary tool for people to slide boat, operator utilizes Newton's third law in physics, and water wave reaction force is generated by water pushing of boat paddle, so that boat advances, currently, existing telescopic boat paddle generally includes front paddle rod, rear paddle rod, paddle lock, handle and paddle plate, the front end of front paddle rod is connected with paddle plate, the rear end of rear paddle rod is connected with handle, front paddle plate and rear paddle plate are mutually inserted and locked by paddle lock, existing paddle lock structure includes fixed sleeve, locking sleeve, locking assembly, the locking assembly includes bolt, connecting shaft, cam switch, locking or releasing of locking sleeve is realized by cam switch overturning pulling connecting shaft and then pulling bolt, but there is locking opening between fixed sleeve and locking sleeve, fixed sleeve is fixedly connected with front paddle rod, rear paddle rod is inserted into the inside of front paddle rod through locking sleeve, in the process of inserting or in the process of user pulling rear paddle rod, since there is locking opening between fixed sleeve and locking sleeve of paddle lock, rear paddle rod and front paddle rod are not connected, so it is easy to cause breakage or breakage between fixed sleeve and locking sleeve of paddle lock, thus, its connection strength is not high. SUMMARY
[0003] The utility model aims at solving the deficiency of prior art, provide a kind of paddle rod with simple structure, high connection strength, not easy to break paddle lock.
[0004] The utility model discloses the technical scheme who solves its technical problem is as follows:
[0005] A kind of paddle rod with paddle lock, is equipped with front paddle rod, rear paddle rod and paddle lock, it is characterized in that the paddle lock includes fixed sleeve, locking sleeve and locking assembly, the fixed sleeve is connected with locking sleeve, locking sleeve and fixed sleeve between being equipped with circumferential locking opening, locking strip hole, which is perpendicular and communicates with locking opening, is equipped on the middle part of locking sleeve in circumferential locking opening, locking sleeve is respectively equipped with the connecting protrusion on both sides of locking strip hole, connecting protrusion is connected between the locking assembly that can drive locking sleeve to shrink or expand, the rear end of front paddle rod is inserted into and extends to locking sleeve by fixed sleeve, the part of front paddle rod that extends to locking sleeve is equipped with the strip hole of end opening, the front end of rear paddle rod is inserted into and inserted into the inside of front paddle rod by the end of locking sleeve, locking assembly is locked to locking sleeve and the end of front paddle rod simultaneously by locking assembly, and then the rear paddle rod is locked.
[0006] The outer end inner wall of the locking sleeve is equipped with annular protrusion, the rear end of front paddle rod extends to annular protrusion position, and the end of front paddle rod is positioned and fixed by annular protrusion.
[0007] The outer end of the locking sleeve is internally provided with a guide limiting protrusion, and the outer wall of the rear paddle rod is provided with a sliding groove, the sliding groove on the rear paddle rod is inserted into the locking sleeve through the guide limiting protrusion, and the rear paddle rod is limited through the guide limiting protrusion.
[0008] The outer end of the locking sleeve is internally provided with a guide limiting protrusion, and the outer wall of the rear paddle rod is provided with a sliding groove, the sliding groove on the rear paddle rod is inserted into the locking sleeve through the guide limiting protrusion, and the rear paddle rod is limited through the guide limiting protrusion.
[0009] The strip-shaped hole of the front paddle rod end portion is positionally corresponding to the locking strip hole on the locking sleeve, so that the locking effect is ensured.
[0010] The locking assembly comprises a bolt, a connecting shaft and a cam piece, a connecting hole is arranged on the connecting protrusion at one side of the locking sleeve, a counter-sink hole is arranged on the outer side of the connecting hole, an installation hole is arranged on the connecting protrusion at the other side of the locking sleeve, the bolt is connected with the connecting shaft after penetrating through the counter-sink hole and the connecting hole, the connecting shaft is connected with the cam piece, the action that the connecting shaft drives the bolt to pull the locking sleeve is realized through rotation of the cam piece, and then the locking strip hole on the locking sleeve is reduced or enlarged.
[0011] The inner wall of the fixing sleeve is provided with a guide protrusion corresponding to the position of the strip-shaped hole, and the strip-shaped hole on the front paddle rod is limited by the guide protrusion, so that the installation and positioning between the front paddle rod and the fixing sleeve are better realized.
[0012] The utility model discloses a structure, has the advantages of simple structure, high connecting strength, not easy to break and the like. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the connection relation diagram of the front paddle rod and the paddle lock of the utility model.
[0014] Figure 2 It is Figure 1 The structure schematic diagram of the middle paddle lock.
[0015] Figure 3 It is Figure 1 The structure schematic diagram of the front paddle rod.
[0016] Figure 4 It is the sectional structure schematic diagram of the rear paddle rod of the utility model.
[0017] Figure 5 It is Figure 2 The structure schematic diagram of another direction of the middle paddle lock. DETAILED DESCRIPTION
[0018] The utility model is further explained in connection with the drawings as follows:
[0019] As shown in the drawings, a kind of paddle with paddle lock, with front paddle 1, rear paddle 2 and paddle lock, it is characterized in that the paddle lock includes fixed sleeve 3, locking sleeve 4 and locking assembly, the fixed sleeve 3 is connected with locking sleeve 4, locking sleeve 4 and fixed sleeve 3 between it is equipped with circumferential locking opening 5, locking sleeve 4 on the middle part of circumferential locking opening 5 is equipped with locking strip hole 6 which is perpendicular and communicates with locking opening, locking sleeve 4 on the both sides of locking strip hole 6 is equipped with connecting protrusion 7 respectively, connecting protrusion 7 between it is connected by the locking assembly that can drive locking sleeve 4 to shrink or expand, the rear end of front paddle 1 is inserted into and extends to locking sleeve 4 by fixed sleeve 3, the part of front paddle 1 that extends to locking sleeve 4 is equipped with strip hole 8 with end opening, the front end of rear paddle 2 is inserted into and inserted into the inside of front paddle 1 by the end of locking sleeve 4, by locking assembly to the end of locking sleeve 4 and front paddle 1 is locked simultaneously to lock rear paddle 2.
[0020] Further, the outer end inner wall of the locking sleeve 4 is provided with an annular protrusion 9, and the rear end of the front paddle 1 extends to the position of the annular protrusion 9. The end of the front paddle 1 is fixed in position by the annular protrusion 9.
[0021] Further, the outer end inner wall of the locking sleeve 4 is provided with a guide limiting protrusion 10, and the outer wall of the rear paddle 2 is provided with a sliding groove 11. The sliding groove 11 on the rear paddle 2 is inserted into the locking sleeve 4 through the guide limiting protrusion 10, and the rear paddle 2 is limited by the guide limiting protrusion 10.
[0022] Further, the annular protrusion 9 is provided with a guide limiting protrusion 10, and the outer wall of the rear paddle 2 is provided with a sliding groove 11. The sliding groove 11 on the rear paddle 2 is inserted into the locking sleeve 4 through the guide limiting protrusion 10, and the rear paddle 2 is limited by the guide limiting protrusion 10.
[0023] Further, the strip hole 8 at the end of the front paddle 1 corresponds to the locking strip hole 6 on the locking sleeve 4, ensuring the locking effect.
[0024] Further, the locking assembly includes a bolt 12, a connecting shaft 13, and a cam tab 14. The connecting protrusion 7 on one side of the locking sleeve 4 is provided with a connecting hole, and the outer side of the connecting hole is provided with a counterbore 15. The connecting protrusion 7 on the other side of the locking sleeve 4 is provided with a mounting hole. The bolt 12 is connected with the connecting shaft 13 after passing through the counterbore 15 and the connecting hole. The connecting shaft 13 is connected with the cam tab 14. The action of the connecting shaft 13 pulling the locking sleeve 4 is realized by rotating the cam tab 14, and the locking strip hole 6 on the locking sleeve 4 is reduced or enlarged.
[0025] Further, the inner wall of the fixed sleeve 3 is provided with a guide protrusion 16 corresponding to the position of the strip hole 8. The strip hole 8 on the front paddle 1 is limited by the guide protrusion 16, better realizing the installation and positioning between the front paddle 1 and the fixed sleeve 3.
[0026] The utility model discloses when the actual installation, the rear end of front oar pole 1 is inserted into fixed sleeve 3 and is inserted into the lock set 4, and with annular protruding 9 contact, the strip hole 8 of front oar pole 1 with the lock set 4 on the lock set strip hole 6 position corresponds, with fixed connection between front oar pole 1 and fixed sleeve 3, when using, the front end of rear oar pole 2 sliding groove 11 with the guide limit boss 10 on annular protruding 9 position corresponds, then rear oar pole 2 is inserted into lock set 4 and the inside of front oar pole 1, and through the cam of locking assembly piece 14 and realize the function of locking and releasing by dolly, because front oar pole 1 is inserted into lock set 4, and front oar pole 1 can protect the circumferential lock opening 5 between lock set 4 and fixed sleeve 3, avoid the fracture phenomenon between fixed sleeve 3 and lock set 4, simultaneously, the rear end of front oar pole 1 sets up strip hole 8, can with lock set 4 together realize the action of inside shrink and outside expansion, guarantee the lock strength between front oar pole 1 and rear oar pole 2, the utility model discloses because adopt above -mentioned structure, have simple structure, high connection strength, not easy to break down and so on advantage.
Claims
1. A paddle with a paddle lock, comprising a front paddle, a rear paddle and a paddle lock, characterized in that The oar lock comprises a fixing sleeve, a locking sleeve and a locking assembly, the fixing sleeve is connected with the locking sleeve, a circumferential locking opening is arranged between the fixing sleeve and the locking sleeve, a locking strip hole which is perpendicular to the locking opening and is in communication with the locking opening is arranged on the locking sleeve at the middle of the circumferential locking opening, connecting protrusions are arranged on the locking sleeve at both sides of the locking strip hole respectively, the connecting protrusions are connected by the locking assembly which can drive the locking sleeve to shrink or expand, the rear end of the front oar rod is inserted into the locking sleeve through the fixing sleeve and extends into the locking sleeve, the part of the front oar rod which extends into the locking sleeve is provided with a strip-shaped hole with an open end, the front end of the rear oar rod is inserted into the front oar rod through the end of the locking sleeve, and the rear oar rod is locked by locking the end of the front oar rod and the locking sleeve by the locking assembly.
2. A paddle rod with a paddle lock according to claim 1, characterized in that An annular protrusion is arranged on the inner wall of the outer end of the locking sleeve, the rear end of the front oar rod extends to the position of the annular protrusion, and the end of the front oar rod is fixed by the annular protrusion.
3. A paddle rod with a paddle lock according to claim 1, characterized in that A guide limiting protrusion is arranged on the inner part of the outer end of the locking sleeve, a sliding groove is arranged on the outer wall of the rear oar rod, the sliding groove on the rear oar rod is inserted into the locking sleeve through the guide limiting protrusion, and the rear oar rod is limited by the guide limiting protrusion.
4. A paddle rod with a paddle lock according to claim 2, characterized in that A guide limiting protrusion is arranged on the annular protrusion, a sliding groove is arranged on the outer wall of the rear oar rod, the sliding groove on the rear oar rod is inserted into the locking sleeve through the guide limiting protrusion, and the rear oar rod is limited by the guide limiting protrusion.
5. A paddle rod with a paddle lock according to claim 1, characterized in that The strip-shaped hole at the end of the front oar rod corresponds to the locking strip hole on the locking sleeve, so that the locking effect is ensured.
6. A paddle rod with a paddle lock according to claim 1, characterized in that The locking assembly comprises a bolt, a connecting shaft and a cam tab, a connecting hole is arranged on the connecting protrusion on one side of the locking sleeve, a countersunk hole is arranged on the outer side of the connecting hole, an installation hole is arranged on the connecting protrusion on the other side of the locking sleeve, the bolt is connected with the connecting shaft after passing through the countersunk hole and the connecting hole, the connecting shaft is connected with the cam tab, the connecting shaft drives the bolt to pull the locking sleeve by rotating the cam tab, and then the locking strip hole on the locking sleeve is reduced or expanded.
7. A paddle according to claim 1, wherein A guide protrusion which corresponds to the position of the strip-shaped hole is arranged on the inner wall of the fixing sleeve.