Curling push rod

Abstract

The utility model discloses a curling push rod and relates to the field of curling push rods. The curling push rod comprises a first rod body, a second rod body and a front fork support, the bottom of the first rod body is in threaded connection with a first threaded connecting piece, the bottom of the first threaded connecting piece is in threaded connection with a second threaded connecting piece, and the bottom of the second threaded connecting piece is in threaded connection with the top of the second rod body; the bottom of the second rod body is in threaded connection with a third threaded connecting piece, the bottom of the third threaded connecting piece is in threaded connection with the top of a front fork support, push rod heads are hinged to the two sides of the front fork support through pin shafts, and rod tongues are arranged in inner cavities of the push rod heads. When the curling push rod provided by the utility model is assembled, the upper end of the first threaded connecting piece is rotationally connected with the lower end of the first rod body, the lower end of the first threaded connecting piece is rotationally connected with the upper end of the second threaded connecting piece, and the lower end of the second threaded connecting piece is rotationally connected with the upper end of the second rod body.

Description

Technical Field

[0001] The utility model relates to the field of curling push rods, in particular to curling push rods for wheelchair curling. Background Art

[0002] A curling push rod is a special tool used by wheelchair curling athletes in competitions for throwing curling stones. Since the athletes sit in wheelchairs and cannot stand and throw the curling stones like able-bodied people, the throwing rod has become an important auxiliary device for them to achieve throwing.

[0003] The existing curling push rods mainly use metal telescopic rods as materials, which have relatively poor stiffness and are prone to bending, affecting the accuracy of throwing. In addition, the metal telescopic rods are relatively heavy, bringing a certain burden to wheelchair curling athletes in competitions, increasing the sense of fatigue, seriously affecting the performance of athletes, and being inconvenient to use.

[0004] Therefore, it is necessary to provide a curling push rod to solve the above technical problems. Disclosing the information of this background art section is only intended to increase the understanding of the overall background of the present invention, and does not necessarily be regarded as an admission or imply in any form that this information constitutes the prior art already known to those of ordinary skill in the art. Content of the Utility Model

[0005] The utility model provides a curling push rod, which solves the technical problems that the existing curling push rods mainly use metal telescopic rods as materials, which have relatively poor stiffness and are prone to bending, affecting the accuracy of throwing. In addition, the metal telescopic rods are relatively heavy, bringing a certain burden to wheelchair curling athletes in competitions, increasing the sense of fatigue, seriously affecting the performance of athletes, and being inconvenient to use.

[0006] To solve the above technical problems, the curling push rod provided by the utility model includes a first rod body, a second rod body and a front fork bracket. The bottom of the first rod body is threadedly connected with a first threaded connector. The bottom of the first threaded connector is threadedly connected with a second threaded connector. The bottom of the second threaded connector is threadedly connected with the top of the second rod body. The bottom of the second rod body is threadedly connected with a third threaded connector. The bottom of the third threaded connector is threadedly connected with the top of the front fork bracket. Both sides of the front fork bracket are hinged with a push rod head through a pin shaft. A rod tongue is arranged in the inner cavity of the push rod head.

[0007] Preferably, a grip is arranged at the top of the first rod body, and the material of the grip is rubber foam material.

[0008] Preferably, a first internal thread is arranged at the bottom of the inner cavity of the first rod body, and a second external thread adapted to the first internal thread is arranged at the top of the surface of the first threaded connector.

[0009] Preferably, the first rod body and the second rod body are made of carbon fiber composite material.

[0010] Preferably, a second external thread is provided at the bottom of the surface of the first threaded connector, a second internal thread adapted to the second external thread is provided at the top of the inner cavity of the second threaded connector, a third external thread is provided at the bottom of the surface of the second threaded connector, and a third internal thread adapted to the third external thread is provided at the top of the inner cavity of the second rod body.

[0011] Preferably, an inner hexagon screw is threadedly connected to the bottom of the push rod head, and the top of the inner hexagon screw extends into the inner cavity of the push rod head and is threadedly connected to the bottom of the rod tongue.

[0012] Preferably, a fourth internal thread is provided at the bottom of the inner cavity of the second rod body, a fourth external thread adapted to the fourth internal thread is provided at the top of the surface of the third threaded connector, a fifth external thread is provided at the bottom of the surface of the third threaded connector, and a fifth internal thread adapted to the fifth external thread is provided at the top of the front fork bracket.

[0013] Preferably, the inner cavity of the grip is adhesively connected to the top of the surface of the first rod body through an adhesive.

[0014] Compared with the related art, the curling push rod provided by the present utility model has the following beneficial effects:

[0015] The present utility model provides a curling push rod. During assembly, first, the upper end of the first threaded connector is rotationally connected to the lower end of the first rod body, then the lower end of the first threaded connector is rotationally connected to the second threaded connector, and then the lower end of the second threaded connector is rotationally connected to the upper end of the second rod body.

[0016] The present utility model provides a curling push rod. Then, the lower end of the second rod body is rotationally connected to the upper end of the third threaded connector, and the lower end of the third threaded connector is rotationally connected to the upper end of the front fork bracket. Finally, the position of the rod tongue in the push rod head is adjusted by an inner hexagon screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a preferred embodiment of the curling push rod provided by the present utility model;

[0018] Figure 2 is a partial enlarged view of the A-A structure of the present utility model;

[0019] Figure 3 is a sectional view of the structure of the first rod body, the second rod body, the first threaded connector and the second threaded connector of the present utility model;

[0020] Figure 4This is a right-side sectional view of the front fork bracket, push rod head, second rod body, and third threaded connection structure of the present utility model.

[0021] Reference numerals in the figure: 1, first rod body; 2, second rod body; 3, front fork bracket; 4, first threaded connection; 5, second threaded connection; 6, third threaded connection; 7, pin shaft; 8, push rod head; 9, rod tongue; 10, grip; 11, hexagon socket screw. Specific embodiments

[0022] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any restrictive effect on the protection scope of the present utility model.

[0023] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0024] It should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0025] In addition, the terms "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0026] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] Embodiment 1:

[0028] Please refer to Figures 1-4 , the present utility model provides a technical solution: a curling push rod, which includes a first rod body 1, a second rod body 2 and a front fork bracket 3. A first threaded connector 4 is threadedly connected to the bottom of the first rod body 1. A second threaded connector 5 is threadedly connected to the bottom of the first threaded connector 4. The bottom of the second threaded connector 5 is threadedly connected to the top of the second rod body 2. A third threaded connector 6 is threadedly connected to the bottom of the second rod body 2. The bottom of the third threaded connector 6 is threadedly connected to the top of the front fork bracket 3. Push rod heads 8 are hinged to both sides of the front fork bracket 3 through pins 7. A rod tongue 9 is arranged in the inner cavity of the push rod head 8.

[0029] In this implementation scheme, through the grip 10, it plays a role in increasing the comfort of holding the first rod body 1 during use, and solves the problem of poor comfort in holding the first rod body 1 during use. Through the first threaded connector 4 and the second threaded connector 5, it plays a role in facilitating the connection and fixation of the first rod body 1 and the second rod body 2 during use, and solves the problem of inconvenient connection and fixation of the first rod body 1 and the second rod body 2 during use.

[0030] Embodiment Two:

[0031] Please refer to Figures 1-4 As shown, on the basis of Embodiment One, the present utility model provides a technical solution: a grip 10 is arranged on the top of the first rod body 1. The material of the grip 10 is rubber foam material. The bottom of the inner cavity of the first rod body 1 is provided with a first internal thread. The top of the surface of the first threaded connector 4 is provided with a second external thread adapted to the first internal thread. The materials of the first rod body 1 and the second rod body 2 are carbon fiber composite materials. The bottom of the surface of the first threaded connector 4 is provided with a second external thread. The top of the inner cavity of the second threaded connector 5 is provided with a second internal thread adapted to the second external thread. The bottom of the surface of the second threaded connector 5 is provided with a third external thread. The top of the inner cavity of the second rod body 2 is provided with a third internal thread adapted to the third external thread. The bottom of the push rod head 8 is threadedly connected with an internal hexagon screw 11. The top of the internal hexagon screw 11 extends into the inner cavity of the push rod head 8 and is threadedly connected with the bottom of the rod tongue 9. The bottom of the inner cavity of the second rod body 2 is provided with a fourth internal thread. The top of the surface of the third threaded connector 6 is provided with a fourth external thread adapted to the fourth internal thread. The bottom of the surface of the third threaded connector 6 is provided with a fifth external thread. The top of the front fork bracket 3 is provided with a fifth internal thread adapted to the fifth external thread. The inner cavity of the grip 10 and the top of the surface of the first rod body 1 are adhesively bonded and connected.

[0032] In this embodiment: The third threaded connector 6 facilitates the connection and fixation of the second rod body 2 and the front fork bracket 3 during use, solving the problem that it is not convenient to connect and fix the second rod body 2 and the front fork bracket 3 during use. The adhesive plays a good role in preventing the grip 10 and the first rod body 1 from slipping during use, solving the problem that the grip 10 and the first rod body 1 are prone to slipping during use. The hexagon socket screw 11 facilitates the adjustment of the push rod head 8 and the rod tongue 9 during use, solving the problem that it is not convenient to adjust the push rod head 8 and the rod tongue 9 during use.

[0033] The working principle of the curling push rod provided by the present utility model is as follows:

[0034] Implementation steps of the first innovation point:

[0035] Step 1: During assembly, first rotatably connect the upper end of the first threaded connector 4 to the lower end of the first rod body 1;

[0036] Step 2: Then rotatably connect the lower end of the first threaded connector 4 to the second threaded connector 5, and then rotatably connect the lower end of the second threaded connector 5 to the upper end of the second rod body 2.

[0037] Implementation steps of the second innovation point:

[0038] Step 1: Then rotatably connect the lower end of the second rod body 2 to the upper end of the third threaded connector 6;

[0039] Step 2: Then rotatably connect the lower end of the third threaded connector 6 to the upper end of the front fork bracket 3, and finally adjust the position of the rod tongue 9 in the push rod head 8 through the hexagon socket screw 11.

[0040] The standard parts used in this application document can all be purchased from the market, and can also be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. The control method is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in this field. And the present utility model mainly protects mechanical devices, so the control method and circuit connection of the present utility model will not be explained in detail. Moreover, the peripheral controller mentioned in the specification can play a control role for the electrical components mentioned in this article, and this peripheral controller is a conventional known device.

[0041] It should be noted that in this text, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0042] In this text, specific examples are used to elaborate on the principles and implementation manners of the present utility model. The description of the above examples is only used to help understand the method and its core idea of the present utility model. The above are only the preferred implementation manners of the present utility model. It should be noted that due to the limited nature of literal expression and objectively infinite specific structures, for those of ordinary skill in the art, without departing from the principles of the present utility model, several improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner; these improvements, refinements, changes or combinations, or directly applying the concept and technical solution of the utility model to other occasions without improvement, shall all be regarded as the protection scope of the present utility model.

Claims

1. A curling putter, comprising a first rod body (1), a second rod body (2) and a front fork support (3), characterized in that: The bottom of the first rod body (1) is threadedly connected to a first threaded connection piece (4), the bottom of the first threaded connection piece (4) is threadedly connected to a second threaded connection piece (5), the bottom of the second threaded connection piece (5) is threadedly connected to the top of the second rod body (2), the bottom of the second rod body (2) is threadedly connected to a third threaded connection piece (6), the bottom of the third threaded connection piece (6) is threadedly connected to the top of the front fork bracket (3), both sides of the front fork bracket (3) are hinged with a push rod head (8) through a pin shaft (7), and the inner cavity of the push rod head (8) is provided with a rod tongue (9).

2. The curling putter according to claim 1, characterized in that: A handle (10) is provided on the top of the first rod body (1), and the handle (10) is made of rubber foam material.

3. The curling putter according to claim 1, characterized in that: The bottom of the inner cavity of the first rod body (1) is provided with a first internal thread, and the top of the surface of the first threaded connector (4) is provided with a second external thread matching the first internal thread.

4. The curling putter according to claim 1, characterized in that: The first rod body (1) and the second rod body (2) are made of carbon fiber composite material.

5. The curling putter according to claim 1, characterized in that: The bottom of the surface of the first threaded connector (4) is provided with a second external thread, the top of the inner cavity of the second threaded connector (5) is provided with a second internal thread matched with the second external thread, the bottom of the surface of the second threaded connector (5) is provided with a third external thread, and the top of the inner cavity of the second rod body (2) is provided with a third internal thread matched with the third external thread.

6. The curling putter according to claim 1, characterized in that: The bottom of the push rod head (8) is threadedly connected to a hexagon socket screw (11), and the top of the hexagon socket screw (11) extends to the inner cavity of the push rod head (8) and is threadedly connected to the bottom of the rod tongue (9).

7. The curling putter according to claim 1, characterized in that: The bottom of the inner cavity of the second rod body (2) is provided with a fourth internal thread, the top of the surface of the third threaded connector (6) is provided with a fourth external thread matched with the fourth internal thread, the bottom of the surface of the third threaded connector (6) is provided with a fifth external thread, and the top of the front fork bracket (3) is provided with a fifth internal thread matched with the fifth external thread.

8. The curling putter according to claim 2, characterized in that: The inner cavity of the grip (10) is bonded to the top of the surface of the first rod body (1) by an adhesive.

Images