Tennis training device

Abstract

The utility model relates to a tennis training device, which belongs to the technical field of tennis instruments, and comprises a base body and a springback clamping hook piece, and the base body is provided with a step through hole piece penetrating through the top and the bottom of the base body. The stepped through hole piece comprises a first through hole formed in the bottom of the base body and a second through hole formed in the top of the base body and coaxially communicated with the first through hole, and the hole diameter of the first through hole is larger than that of the second through hole; the mounting part is used for being connected with the elastic rope assembly, the limiting clamping hook part is used for being hooked to the end, away from the bottom of the base body, of the first through hole, the mounting part is connected with the limiting clamping hook part through the springback connecting part, at least part of the mounting part is exposed out of the second through hole, and the springback connecting part comprises at least two elastic vertical rods; and the limiting clamping hook part is arranged at one end, far away from the mounting part, of the elastic vertical rod.

Description

Technical Field

[0001] The utility model relates to the technical field of tennis equipment, and more specifically, to a tennis trainer. Background Art

[0002] A tennis trainer is a training device designed specifically for tennis enthusiasts, especially suitable for beginners and those who wish to conduct self-training without a sparring partner. It occupies a small space, is convenient for storage and carrying, and can be used in various indoor and outdoor environments.

[0003] Most of the existing tennis trainers directly connect the "pull ring" on the top of the base body to the elastic rope. When the "pull ring" is damaged, the base body cannot be connected to the elastic rope, causing the base body to be scrapped and unable to continue use. For example, the Chinese utility model patent document with the authorization announcement number "CN220656338U" and the name "A Tennis Training Base Body". Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that most of the existing tennis trainers directly connect the "pull ring" on the top of the base body to the elastic rope. When the "pull ring" is damaged, the base body cannot be connected to the elastic rope, resulting in the base body being unable to continue use. For example, the Chinese utility model patent document with the authorization announcement number "CN220656338U" and the name "A Tennis Training Base Body". In view of the above-mentioned defects of the prior art, a tennis trainer is provided.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0006] Construct a tennis trainer, including:

[0007] A base body, the base body is provided with a stepped through-hole component penetrating through its top and bottom. The stepped through-hole component includes a first through-hole provided at the bottom of the base body and a second through-hole provided at the top of the base body and coaxially connected to the first through-hole. The aperture of the first through-hole is larger than that of the second through-hole;

[0008] A rebound hook component, the rebound hook component includes an installation part for connecting an elastic rope assembly, a limit hook part for hooking at one end of the first through-hole away from the bottom of the base body, and a rebound connection part connecting the installation part and the limit hook part. At least part of the installation part exposes the second through-hole. The rebound connection part includes at least two elastic vertical rods, and the limit hook part is arranged at one end of the elastic vertical rod away from the installation part.

[0009] Optionally, the installation part is arc-shaped, the outer diameter of the installation part is smaller than the aperture of the first through hole, the two elastic vertical rods are respectively connected to the two end points of the arc-shaped installation part, the limiting hook part is a cross bar and is perpendicular to the elastic vertical rod, and the cross bar is connected to the end of the elastic vertical rod far away from the installation part.

[0010] Optionally, the elastic rope assembly includes a rope body and at least one anti-tangling assembly, and the rope body is connected to the tennis ball.

[0011] Optionally, the anti-tangling assembly includes two limiting rings and a connecting rod connecting the two limiting rings, an anti-tangling sleeve is sleeved outside the connecting rod, the anti-tangling sleeve is located between the two limiting rings, and the two limiting rings can limit the displacement of the anti-tangling sleeve.

[0012] Optionally, an annular storage groove is provided on the peripheral side wall of the base body.

[0013] Optionally, card wire grooves communicating with the annular storage groove are provided on the opposite sides of the top of the base body.

[0014] Optionally, a protective pad is detachably provided at the bottom of the base body, and the protective pad can cover the first through hole.

[0015] Optionally, the base body is made of steel alloy.

[0016] Optionally, the installation part and the limiting ring are connected by a detachable connecting piece in a sleeve-buckling manner.

[0017] Optionally, a protective groove is recessed at the top of the base body. When the rebound hook member is assembled to the base body, the installation part is located in the protective groove and the length of the installation part is smaller than the depth of the protective groove.

[0018] The beneficial effects of the present utility model are as follows:

[0019] 1. When the resilient hook member of the present utility model is damaged, the user can replace it with a new one. By pressing down the installation part, the damaged resilient hook member can overcome the elastic vertical rod and move towards the bottom of the base body against the extrusion force on the inner wall of the second through hole. Subsequently, the user can pinch the buckle part by hand to pull out the resilient hook member from the second through hole and the first through hole, thus completing the disassembly of the damaged resilient hook member. Pass the new resilient hook member through the first through hole into the second through hole. At this time, the limiting hook part is hooked at one end of the first through hole far from the bottom of the base body, preventing the resilient hook member from completely passing through the second through hole to the top of the base body and falling off. When the resilient hook member is assembled to the base body, the elastic vertical rod will press against the inner wall of the second through hole, overcoming the gravity of the resilient hook member itself and preventing the resilient hook member from sliding down from the second through hole and the first through hole. Even if the resilient hook member in the present utility model is damaged, the user can independently assemble a new resilient hook member to the base body, avoiding the waste of the base body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will further illustrate the present utility model in conjunction with the drawings and embodiments. The drawings in the following description are only partial embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings:

[0021] Figure 1 is the overall axonometric schematic diagram of the present utility model.

[0022] Figure 2 is the overall exploded schematic diagram of the present utility model.

[0023] Figure 3 is the present utility model Figure 2 the enlarged schematic diagram of part A.

[0024] Figure 4 is the overall front schematic diagram of the present utility model.

[0025] Figure 5 is the present utility model along Figure 4 the sectional schematic diagram along line A-A.

[0026] Figure 6 is the bottom axonometric schematic diagram of the present utility model after removing the protective pad.

[0027] Figure 7 is the locking hook state schematic diagram of the resilient hook member in the present utility model.

[0028] Figure 8 is the initial state schematic diagram of the resilient hook member in the present utility model.

[0029] The reference numerals are as follows:

[0030] 1. Base body; 101.1. First through hole; 101.2. Second through hole; 102. Annular storage groove; 103. Cable slot; 104. Protection groove; 105. Protection pad;

[0031] 2. Rebound hook member; 201. Installation part; 202. Limit hook part; 203.1. Elastic vertical rod;

[0032] 3. Elastic rope assembly; 301. Rope body; 302. Anti-twist assembly; 302.1. Limit ring; 302.2. Connecting rod; 302.3. Anti-twist kit;

[0033] 4. Tennis ball;

[0034] 5. Detachable connecting member; 501. Pin hook-shaped body; 502. Pin anti-disengagement seat. Detailed implementation manners

[0035] To make the objectives, technical solutions and advantages of the present utility model clearer, the technical solutions in the present utility model will be clearly and completely described below with reference to the accompanying drawings in the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model fall within the protection scope of the present utility model.

[0036] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly defined and limited, the terms "connected" and "connected to" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0037] In the embodiments of the present application, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0038] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc., mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0039] Embodiments of the present utility model, for example Figures 1 - 8As shown in the figure, it relates to a tennis trainer, including a base body 1 and a rebound hook member 2. Among them, the base body 1 is provided with a stepped through-hole member penetrating through its top and bottom. The stepped through-hole member includes a first through-hole 101.1 provided at the bottom of the base body 1 and a second through-hole 101.2 provided at the top of the base body 1 and coaxially connected to the first through-hole 101.1. The aperture of the first through-hole 101.1 is larger than the aperture of the second through-hole 101.2. The rebound hook member 2 includes a mounting portion 201 for connecting an elastic rope assembly 3, a limit hook portion 202 for hooking at one end of the first through-hole 101.1 away from the bottom of the base body 1, and a rebound connecting portion connecting the mounting portion 201 and the limit hook portion 202. At least part of the mounting portion is exposed from the second through-hole 101.2. The rebound connecting portion includes at least two elastic vertical rods 203.1. The limit hook portion 202 is provided at one end of the elastic vertical rod 203.1 away from the mounting portion 201. In the present utility model, the limit hook portion 202 on the rebound hook member 2 is hooked at one end of the first through-hole 101.1 away from the bottom of the base body 1 to prevent the rebound hook member 2 from completely passing through the second through-hole 101.2 to the top of the base body 1 and falling off. When the rebound hook member 2 is assembled to the base body 1, the elastic vertical rod 203.1 will abut against the inner wall of the second through-hole 101.2, overcoming the gravity of the rebound hook member 2 itself, and preventing the rebound hook member 2 from sliding down from the second through-hole 101.2 and the first through-hole 101.1. The elastic rope assembly 3 is indirectly connected to the base body 1 through the mounting portion 201. When in use, the user hits the tennis ball 4. When the tennis ball 4 flies out, it drives the elastic rope assembly 3. Since the base body 1 is indirectly connected to the elastic rope assembly 3, the elastic rope assembly 3 will pull the base body 1 under the action of the tennis ball 4 flying out. Due to the large weight of the base body 1 itself, the tennis ball 4 will rebound under the action of the elastic rope assembly 3 after flying out, so as to facilitate the user to hit the tennis ball 4 again. Further, when the rebound hook member 2 is damaged and falls off, the user can assemble a new rebound hook member 2. The specific assembly method is as follows: The user can press down the mounting portion, so that the damaged rebound hook member 2 displaces towards the bottom of the base body against the extrusion force of the elastic vertical rod 203.1 abutting against the inner wall of the second through-hole 101.2. Subsequently, the user can pinch the buckle portion 202 to pull out the rebound hook member 2 from the second through-hole 101.2 and the first through-hole 101.1 to complete the disassembly of the damaged rebound hook member. Then, the new rebound hook member 2 is passed through the first through-hole 101.1 into the second through-hole 101.2. At this time, the elastic vertical rod 203.1 will abut against the inner wall of the second through-hole 101.2, overcoming the gravity of the rebound hook member 2 itself, so as to complete the assembly of the new rebound hook member 2.

[0040] Refer to Figures 2 - 8, the installation part is arc-shaped. The outer diameter of the installation part 201 is smaller than the aperture of the first through hole 101.1. Two elastic vertical rods 203.1 are respectively connected to the two end points of the arc-shaped installation part, where the two end points of the arc-shaped installation part are the starting point and the ending point of the arc-shaped installation part. The limit hook part 202 is a cross bar and is perpendicular to the elastic vertical rod 203.1. The cross bar is connected to the end of the elastic vertical rod 203.1 far away from the installation part 201. Further, the aperture of the first through hole is slightly larger than the length of the cross bar.

[0041] Refer to Figures 1 - 6 , the elastic rope assembly 3 includes a rope body 301 and at least one anti-tangling assembly 302. The rope body 301 is connected to the tennis ball 4. Further, the anti-tangling assembly 302 can prevent the rope body 301 from being entangled and knotted when the user hits the tennis ball 4, thus affecting the experience.

[0042] In this embodiment, the anti-tangling assembly 302 includes two limit rings 302.1 and a connecting rod 302.2 connecting the two limit rings 302.1. An anti-tangling sleeve 302.3 is sleeved on the outer side of the connecting rod 302.2. The anti-tangling sleeve 302.3 is located between the two limit rings 302.1, and the two limit rings 302.1 can limit the displacement of the anti-tangling sleeve 302.3.

[0043] In this embodiment, an annular storage groove 102 is provided on the peripheral side wall of the base body 1. Further, card wire grooves 103 communicating with the annular storage groove 102 are provided on the opposite sides of the top of the base body 1. The top of the base body 1 is recessed to form a protection groove 104 for placing the tennis ball 4. When the present utility model is stored, the elastic rope assembly 3 can be wound in the annular storage groove 102, and then the tail of the elastic rope assembly 3 is clamped in the card wire groove 103 to complete the storage.

[0044] Further, the top of the base body 1 is recessed to form a protection groove 104. When the rebound hook member 2 is assembled to the base body 1, the installation part 201 is located in the protection groove 104 and the length of the installation part 201 is smaller than the depth of the protection groove 104. When the base falls from a high place, the protection groove can prevent the installation part from hitting the ground and being damaged.

[0045] Refer to Figure 2 、 Figure 4 And Figure 5, a protective pad 105 is detachably provided at the bottom of the base body 1, and the protective pad 105 can cover the first through hole 101.1. In one embodiment, the protective pad 105 can be detachably provided by adhesively bonding it to the bottom of the base body 1 with glue. In another embodiment, a clamping groove can be formed at the bottom of the base body 1, and the protective pad 105 can be clamped in the clamping groove to complete the detachable setting. The presence of the protective pad 105 not only plays a certain protective role for the limit hook part 202 but also has a certain aesthetic property, and can also prevent the limit hook part 202 from falling out of the first through hole 101.1.

[0046] Further, the installation part 201 and the limit ring 302.1 are sleeved and connected by a detachable connecting member 5. The detachable connecting member includes a safety pin hook-shaped body 501 formed by twisting and a safety pin anti-disengagement seat 502 that cooperates with the safety pin hook-shaped body.

[0047] In this embodiment, the base body 1 is made of steel alloy. The steel alloy has relatively high density, strength, workability, and hardness, which facilitates the forging of the base body 1, prevents the base body from being displaced when the user hits the tennis ball 4 away, and increases the service life of the base body 1.

[0048] It should be understood that for those of ordinary skill in the art, improvements or changes can be made according to the above description, and all such improvements and changes should fall within the protection scope of the appended claims of the present invention.

Claims

1. A tennis training device, characterized in that: include: A base body (1), the base body (1) being provided with a stepped through-hole member penetrating the top and bottom thereof, the stepped through-hole member comprising a first through-hole (101.1) arranged at the bottom of the base body (1) and a second through-hole (101.2) arranged at the top of the base body (1) and coaxially connected to the first through-hole (101.1), the aperture of the first through-hole (101.1) being larger than the aperture of the second through-hole (101.2); A resilient hook component (2), the resilient hook component (2) comprising a mounting portion (201) for connecting an elastic rope assembly (3), a limiting hook portion (202) for hooking at an end of the first through hole (101.1) away from the bottom of the base body (1), and a resilient connection portion connecting the mounting portion (201) and the limiting hook portion (202), the mounting portion at least partially exposing the second through hole (101.2), the resilient connection portion comprising at least two elastic vertical rods (203.1), the limiting hook portion (202) being arranged at an end of the elastic vertical rod (203.1) away from the mounting portion (201).

2. A tennis training device according to claim 1, characterized in that: The mounting portion is arc-shaped and the outer diameter of the mounting portion (201) is smaller than the diameter of the first through hole (101.1); the two elastic vertical rods (203.1) are respectively connected to the two end points of the arc-shaped mounting portion; the limiting hook portion (202) is a cross rod and is perpendicular to the elastic vertical rod (203.1); the cross rod is connected to one end of the elastic vertical rod (203.1) away from the mounting portion (201).

3. A tennis training device according to claim 2, characterized in that: The elastic rope assembly (3) comprises a rope body (301) and at least one anti-winding assembly (302), and the rope body (301) is connected to a tennis ball (4).

4. A tennis training device according to claim 3, characterized in that: The anti-winding component (302) comprises two limiting rings (302.1) and a connecting rod (302.2) connecting the two limiting rings (302.1) to each other; an anti-winding kit (302.3) is sleeved on the outer side of the connecting rod (302.2); the anti-winding kit (302.3) is located between the two limiting rings (302.1); and the two limiting rings (302.1) can limit the displacement of the anti-winding kit (302.3).

5. A tennis training device according to claim 1, characterized in that: An annular receiving groove (102) is provided on the peripheral side wall of the base body (1).

6. A tennis training device according to claim 5, characterized in that: Wire clamping grooves (103) communicating with the annular receiving groove (102) are arranged on opposite sides of the top of the base body (1).

7. A tennis training device according to claim 1, characterized in that: A protective pad (105) is detachably provided at the bottom of the base body (1), and the protective pad (105) can cover the first through hole (101.1).

8. A tennis training device according to claim 1, characterized in that: The base body (1) is made of steel alloy.

9. A tennis training device according to claim 4, characterized in that: The mounting portion (201) and the limiting ring (302.1) are connected via a detachable connecting piece.

10. A tennis training device according to claim 1, characterized in that: The top of the base body (1) is concavely provided with a protective groove (104); when the rebound hook member (2) is assembled onto the base body (1), the mounting portion (201) is located in the protective groove (104) and the length of the mounting portion (201) is less than the depth of the protective groove (104).

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