CN220714688U

CN220714688U - Self-locking device

Info

Publication number: CN220714688U
Application number: CN202322093239.5U
Authority: CN
Inventors: 陈尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-05
Filing date: 2023-08-05
Publication date: 2024-04-05
Anticipated expiration: 2033-08-05

Abstract

The utility model relates to self-locking head equipment which comprises a handle, wherein the upper end part of the handle is fixedly connected with a supporting ring, the outer side of the supporting ring is in threaded connection with a fixing head, the inner side of the handle is provided with a locking component, the locking component comprises a guide rod, one end of the guide rod extends into the handle and is in sliding connection with the handle, the upper end part of the guide rod is fixedly connected with a support frame, the inner side of the support frame is fixedly connected with a first bearing, and the upper end part of the first bearing is fixedly connected with a guide pipe. This auto-lock first equipment only needs to place the guide bar in the handle, screws up the fixed head and presses the ring, can accomplish the assembly, increases the assembly convenience, and the spring jack-up guide bar that resets can drive the latch segment and be extruded, extends to the inboard rope skipping of stand pipe and locks, and the latch segment rotates on the stand pipe all the time, and resets through the torsional spring, increases the tightness of locking to and reduce the fault rate.

Description

Self-locking device

Technical Field

The utility model relates to the technical field of rope skipping locks, in particular to a self-locking device.

Background

The skipping rope comprises two handles and a rope connected with the two handles, and the two axial ends of the rope are connected with the handles.

The rope is usually attached to the handle by means of a knot-tying fastening, a bolt locking or a winding. The knotting and fixing and winding are the most traditional modes, and the connection is implemented in the mode, so that the rope is not easy to remove from a handle and the length of the rope is not easy to adjust. The mode of locking the bolt is slightly convenient for locking the rope, but the disassembly and assembly process of the bolt is complex.

The utility model as disclosed in the publication No. CN206792881U, the rope skipping head with the self-locking rope skipping function comprises a rope guiding pipe, a conical shell, a compression nut, a bearing and a bearing seat, wherein a channel for the rope skipping to penetrate into the conical shell is formed in the rope guiding pipe, the rope guiding pipe is inserted into the conical shell, a through hole communicated with the channel of the rope guiding pipe is formed in the peripheral surface of one end of the rope guiding pipe inserted into the conical shell, a steel ball capable of axially reciprocating in the through hole is arranged in the through hole, the conical shell is screwed with the compression nut relative to the other end of the conical shell, which is connected with the rope guiding pipe, one end of the spring is in contact with the rope guiding pipe, and the other end of the spring is in contact with the compression nut. The jump rope is inserted from the rope guiding pipe and passes through the steel ball to be positioned.

However, the assembly process of the steel ball and the rope guide pipe in the application is complicated, and the steel ball can deform after long-time use, so that the locking force of the steel ball to the rope skipping line can be influenced, the rope skipping line is easy to fall off, the failure rate is increased, and the self-locking head equipment is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides self-locking head equipment which has the advantages of convenience in assembly, lower failure rate and the like, and solves the problems that the conversion is complicated and the failure rate is easy to increase.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-locking head equipment comprises a handle, wherein the upper end part of the handle is fixedly connected with a supporting ring, the outer side of the supporting ring is in threaded connection with a fixed head, and the inner side of the handle is provided with a locking assembly;

the locking assembly comprises a guide rod, one end of the guide rod extends to the inside of the handle and is in sliding connection with the handle, the upper end part of the guide rod is fixedly connected with a support frame, a first bearing is fixedly connected to the inner side of the support frame, a guide tube is fixedly connected to the upper end part of the first bearing, one end of the guide tube is fixedly connected to a second bearing fixedly connected to the upper end part of the support frame, a pressing ring is connected to the upper end part of the guide tube in a threaded manner, a connecting hole is formed in the inner side wall of the guide tube, a locking block is connected to the inner side of the connecting hole in a rotating manner, a torsion spring is arranged between the outer side of the locking block and the inner side of the connecting hole, and a spring positioned on the outer side of the guide rod is fixedly connected to the lower end part of the support frame.

Further, the locking block is triangular, and one side of the locking block, which is positioned at the inner side of the connecting hole, is conical.

Further, the number of the locking blocks is three, and the three locking blocks are distributed on the guide tube in an annular equidistant mode.

Further, the upper end of the guide tube is provided with a thread groove, the inner peripheral wall of the pressing ring is provided with an internal thread, and the internal thread is matched with the thread groove.

Further, the outside of supporting ring has seted up the external screw thread, the internal screw thread has been seted up to the inside wall of fixed head, internal screw thread and external screw thread mutually support.

Further, the upper end of the fixing head is conical, a through hole is formed in the inner top wall of the fixing head, and the specification of the through hole is matched with that of the guide tube.

Further, a placing groove is formed in the inner side of the grip, and the specification of the placing groove is matched with that of the guide rod.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this auto-lock first equipment, because threaded connection has the ring of pressing on the stand pipe, and fixed head and support ring threaded connection, consequently only need place the guide bar in the handle, screw up fixed head and press the ring, can accomplish the assembly, increase the assembly convenience, and the spring jack-up guide bar that resets can drive the latch segment and be extrudeed, extends to the inboard rope skipping of stand pipe and locks, and the latch segment rotates on the stand pipe all the time, and resets through the torsional spring, increases the tightness of locking, and reduce the fault rate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a locking assembly according to the present utility model;

fig. 3 is an enlarged view of fig. 2 a in accordance with the present utility model.

In the figure: 1 handle, 2 support ring, 3 fixed head, 4 locking subassembly, 41 stand pipe, 42 press ring, 43 latch segment, 44 first bearing, 45 support frame, 47 guide bar, 48 second bearing, 49 connecting hole, 410 torsional spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the self-locking head apparatus in this embodiment includes a handle 1, a support ring 2 is fixedly connected to an upper end portion of the handle 1, a fixing head 3 is screwed to an outer side of the support ring 2, and a locking assembly 4 is disposed on an inner side of the handle 1.

The external screw thread has been seted up in the outside of supporting ring 2, and the internal screw thread has been seted up to the inside wall of fixed head 3, and the internal screw thread is mutually supported with the external screw thread, and the upper end of fixed head 3 is the toper.

In this embodiment, the entire locking assembly 4 can be fixedly locked between the fixing head 3 and the inner side of the grip 1 by tightening the fixing head 3.

Referring to fig. 2-3, in this embodiment, the locking assembly 4 includes a guide rod 47 with one end extending into the grip 1 and slidably connected with the grip 1, a support frame 45 is fixedly connected to an upper end of the guide rod 47, a first bearing 44 is fixedly connected to an inner side of the support frame 45, a guide tube 41 is fixedly connected to an upper end of the first bearing 44, a second bearing 48 with one end fixedly connected to an upper end of the support frame 45 is fixedly connected to an outer side of the guide tube 41, a pressing ring 42 is screwed to an upper end of the guide tube 41, a connecting hole 49 is formed in an inner side wall of the guide tube 41, a locking block 43 is rotatably connected to an inner side of the connecting hole 49, a torsion spring 410 is provided between an outer side of the locking block 43 and an inner side of the connecting hole 49, and a spring 46 located at an outer side of the guide rod 47 is fixedly connected to a lower end of the support frame 45.

In this embodiment, the guide rod 47 is placed in the grip 1, the fixing head 3 and the pressing ring 42 are screwed, so that the assembly can be completed, the assembly convenience is increased, the reset spring 46 jacks the guide rod 41, the locking block 43 can be driven to be extruded to extend to the skipping rope inside the guide tube 41 for locking, the locking block 43 always rotates on the guide tube 41, and the torsion spring 410 resets to increase the locking tightness.

Wherein, the locking block 43 is triangular, and one side of the locking block 43 positioned at the inner side of the connecting hole 49 is conical, so that the friction force when the locking block 43 collides with the rope skipping is increased.

In addition, the number of the locking blocks 43 is three, the three locking blocks 43 are distributed on the guide tube 41 in an annular equidistant manner, and the three locking blocks 43 are used for stably extruding and fixing the jump rope extending to the inner side of the guide tube 41.

Secondly, the upper end of the guide tube 41 is provided with a thread groove, the inner peripheral wall of the pressing ring 42 is provided with an internal thread, the internal thread is matched with the thread groove, and the pressing ring 42 is conveniently pressed by an operator by screwing the fixing ring 42 onto the guide tube 41.

Then, the upper end of the fixing head 3 is conical, the inner top wall of the fixing head 3 is provided with a perforation, and the specification of the perforation is matched with the specification of the guide tube 41, so that when the locking block 43 is reset along with the guide tube 41, the locking block can be extruded and contracted by the conical end of the fixing head 3 and rotate towards the inner side of the guide tube 41.

Finally, a placing groove is formed in the inner side of the grip 1, and the specification of the placing groove is matched with the specification of the guide rod 47, so that the guide rod 47 can be inserted and placed on the grip 1.

It should be noted that, the outer ring of the first bearing 44 is fixed on the inner side of the supporting frame 45, the inner ring is fixedly connected with the lower end portion of the guide tube 41, the outer ring of the second bearing 48 is fixed on the upper end portion of the supporting scissors 45, and the inner ring is fixed on the outer side of the guide tube 41 to support the guide tube 41 to stably rotate.

The working principle of the embodiment is as follows:

since the guide tube 41 is connected with the pressing ring 42 in a threaded manner, and the fixing head 3 is connected with the supporting ring 2 in a threaded manner, the guide rod 47 is placed in the placement groove of the grip 1, the fixing head 3 sleeved on the outer side of the guide tube 41 is screwed onto the supporting ring 2, the pressing ring 42 is screwed onto the upper end of the guide tube 41, the assembly can be completed, the spring 46 is pressed by pressing the pressing ring 42, the end part of the jump rope can be placed into the guide tube 41, after the pressing ring 42 is loosened, the reset spring 46 jacks up the guide rod 41, when the locking block 43 is reset along with the guide tube 41, the locking block 43 can be pressed and contracted by the cone-shaped end of the fixing head 3 and rotates towards the inner side of the guide tube 41, the jump rope extending to the inner side of the guide tube 41 is pressed and locked, the locking block 43 always rotates on the guide tube 41, and the locking block is reset through the torsion spring 410, so that the locking tightness is increased, and the fault rate is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Self-locking head equipment, including handle (1), its characterized in that: the upper end part of the grip (1) is fixedly connected with a support ring (2), the outer side of the support ring (2) is in threaded connection with a fixed head (3), and the inner side of the grip (1) is provided with a locking assembly (4);

locking subassembly (4) including one end extend to handle (1) inside and with handle (1) sliding connection's guide bar (47), the upper end fixedly connected with support frame (45) of guide bar (47), the inboard fixedly connected with first bearing (44) of support frame (45), the upper end fixedly connected with stand pipe (41) of first bearing (44), the outside fixedly connected with one end of stand pipe (41) and the upper end fixedly connected with's of support frame (45) second bearing (48), the upper end threaded connection of stand pipe (41) has pressing ring (42), connecting hole (49) have been seted up to the inside wall of stand pipe (41), the inboard rotation of connecting hole (49) is connected with latch segment (43), be provided with torsional spring (410) between the outside of latch segment (43) and the inboard of connecting hole (49), the lower tip fixedly connected with of support frame (45) is located spring (46) in the outside of guide bar (47).

2. The self-locking head apparatus of claim 1, wherein: the locking block (43) is triangular, and one side of the locking block (43) positioned at the inner side of the connecting hole (49) is conical.

3. The self-locking head apparatus of claim 1, wherein: the number of the locking blocks (43) is three, and the three locking blocks (43) are distributed on the guide tube (41) in an annular equidistant mode.

4. The self-locking head apparatus of claim 1, wherein: the upper end of the guide tube (41) is provided with a thread groove, the inner peripheral wall of the pressing ring (42) is provided with an internal thread, and the internal thread is matched with the thread groove.

5. The self-locking head apparatus of claim 1, wherein: external threads are arranged on the outer side of the supporting ring (2), internal threads are arranged on the inner side wall of the fixing head (3), and the internal threads are matched with the external threads.

6. The self-locking head apparatus of claim 1, wherein: the upper end of the fixing head (3) is conical, a through hole is formed in the inner top wall of the fixing head (3), and the specification of the through hole is matched with that of the guide tube (41).

7. The self-locking head apparatus of claim 1, wherein: the inner side of the handle (1) is provided with a placing groove, and the specification of the placing groove is matched with the specification of the guide rod (47).