CN212941290U

CN212941290U - Handle structure of badminton racket

Info

Publication number: CN212941290U
Application number: CN202021251326.9U
Authority: CN
Inventors: 戴见霖; 黄瑞华
Original assignee: Anhui Sancai Sports Goods Co ltd
Current assignee: Anhui Sancai Sports Goods Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-13
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a badminton racket handle structure. The existing badminton racket handle has high processing difficulty and high manufacturing cost. The utility model comprises a racket rod and a handle, wherein the lower part of the racket rod is provided with a fixed hole. The complete handle is composed of two butt-jointed half handles, and the two half handles are fixed through ultrasonic welding or hot melting welding. The handle comprises a head part, a middle part and a tail part from top to bottom. The handle head is internally provided with a plug hole, the inner wall of the plug hole is provided with fixing bulges, and the quantity and the positions of the fixing bulges are respectively corresponding to the fixing holes. The middle part of the handle is a hollow column shape, and the tail part of the handle is closed. After the assembly, the two half handles are fixedly connected with the racket rod, and the fixing bulges are positioned in the fixing holes. The utility model discloses the preparation technology is simple relatively, and the processing cost is low, and the weight is lighter under the higher intensity prerequisite of assurance, and use comfort is good.

Description

Handle structure of badminton racket

Technical Field

The utility model belongs to the technical field of sports goods, a racket is related to, specifically a handle structure of racket.

Background

The handle of the badminton racket is generally an octagonal wooden handle. The front end of the handle is turned into a pyramid shape and is provided with a hole for embedding a badminton racket rod. In order to reduce the weight of the handle, the rear end is provided with a hole. For decoration and use, a tapered plastic sleeve is often required to be added at the front end of the handle, and a bottom plastic sleeve is added at the rear end of the wooden handle. And a soft wrapping object is wound on the wood handle between the two sleeves, so that the handle is not easy to slip when being held by hands. Sometimes, users often additionally wrap a sweat absorbing belt for further pursuit of hand feeling. Such racket handles have some drawbacks: the wood is used, and resources are wasted; a large amount of labor is adopted, the consistency is poor, and the cost is high; a large amount of dust is generated in the manufacturing process and is harmful to the environment; the drilled hole can not be coaxial with the wood handle, so that the badminton racket is eccentric.

With the advancement of technology, handles have emerged that use other materials to replace wood. For example, the utility model with 201620441901.9 discloses a handle, the inner layer and the outer layer are made of carbon fiber material, and a foaming material is filled between the inner layer and the outer layer. The invention patent application No. 201810498538.8 also discloses a handle of similar construction of carbon fiber material. The handles made of the new materials are all integrally formed, so that the processing difficulty is high, and the manufacturing cost is high.

Disclosure of Invention

The utility model aims at providing a badminton racket handle structure.

The utility model comprises a racket rod and a handle. The lower part of the racket rod is provided with a fixing hole. The complete handle consists of two half handles which are butted with each other; the two half handles are fixed by ultrasonic welding or hot melting welding. The handle comprises a head part, a middle part and a tail part from top to bottom. The handle head is vertically provided with an inserting hole for installing a racket rod, the inner wall of the inserting hole is provided with fixing bulges, and the number and the positions of the fixing bulges are respectively corresponding to the fixing holes. The middle part of the handle is a hollow cylinder. After the assembly, the two half handles are fixedly connected with the racket rod, the lower part of the racket rod is positioned in the inserting hole, and the fixing bulge is positioned in the fixing hole.

Furthermore, the handle head is solid, and the plug-in hole is formed along the central axis of the handle head. The head parts of the two half handles are respectively provided with a semicircular groove. After welding and fixing, the two semicircular grooves form a plug hole.

Furthermore, the handle head comprises a conical shell and an inserting pipe which are coaxially arranged, and the conical shell is connected with the inserting pipe through a connecting rib. The insertion pipe is composed of two semicircular pipe walls which are respectively arranged on the two semicircular handles. After welding and fixing, the two semicircular pipe walls are enclosed to form the inserting pipe, and the channel of the inserting pipe is the inserting hole.

Further, the fixed orifices be the through-hole, quantity is 1 ~ 3, the opening that the grafting hole inner wall corresponds every fixed orifices is provided with fixed arch. Furthermore, after the two half handles are fixedly connected, the corresponding fixing bulges of the two half handles are simultaneously welded and fixedly connected in the fixing holes.

Furthermore, elastic substances are filled between the outer wall of the racket rod and the inner wall of the insertion hole. Further, the elastic substance is a coagulated rubber (adhesive), or a Thermoplastic polyurethane elastomer rubber (TPU). When the racket is used for batting, large vibration can be generated, the elastic substance mainly plays a role in shock absorption, the vibration generated when the racket is used for batting is reduced, and the use comfort level is improved.

Furthermore, the outer wall of the middle part of the handle is coated with an elastic surface layer. Further, the elastic surface layer is Thermoplastic polyurethane elastomer rubber (TPU). The elastic surface layer can increase the friction force between the hand and the handle and reduce the vibration generated by the hitting. The elastic surface layer can improve hand feeling on one hand, and on the other hand, the two half butt-jointed handles are connected more firmly.

Still further, the outer surface of the head of the handle is sleeved with a conical sleeve. The tapered sleeve enables the handle to be more attractive on one hand, and enables the two half butt-jointed handles to be connected more firmly on the other hand.

Further, the middle part of the handle is prism-shaped or cylindrical, and an octagonal prism is generally adopted. And furthermore, a reinforcing rib is arranged in the middle of the handle, so that the fastness of the handle is further improved.

Further, the handle also comprises a tail sleeve cover which is sleeved at the tail part of the handle. Furthermore, the handle is filled with a light elastic object or foaming material and is closed by a tail sleeve cover; the tail part of the handle is provided with a foaming agent injection hole, and the foaming agent injection hole is sealed by a tail sleeve cover. Or the handle is filled with foaming materials, the tail part of the handle is provided with a foaming agent injection hole, and the foaming agent injection hole is sealed by a sealing cover. The lightweight elastomeric or foam material is filled to increase the handle's fullness without adding too much weight to the handle.

The utility model discloses the half handle of well two butt joints passes through ultrasonic wave or hot melt welding, and the racket pole of centre gripping passes through fixed orifices and fixed raised location, and it is very firm to combine after the welding, is hitting the badminton in-process at the badminton racket, keeps handle and badminton racket pole firm connection together and is unlikely to being thrown away. The utility model discloses the handle adopts injection moulding, and the preparation technology is simple relatively, and the processing cost is low. The utility model discloses a hollow setting is guaranteeing under the higher intensity prerequisite, has alleviateed weight. The utility model discloses a dual shock attenuation design (between racket pole and the pipe of pegging graft, between hand and the handle), promoted use comfort, obtain better use and experience.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of another embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of one form of FIG. 1;

FIG. 4 is a cross-sectional view taken along line A-A of the alternate form of FIG. 1;

FIG. 5 is a cross-sectional view taken along line B-B of one form of FIG. 2;

FIG. 6 is a cross-sectional view taken along line B-B of the alternate form of FIG. 2;

FIG. 7 is a schematic view of a structure of the handle tail of the present invention;

FIG. 8 is another schematic structural view of the tail portion of the handle of the present invention;

fig. 9 is a schematic view of another structure of the tail of the middle handle of the present invention.

Detailed Description

Example 1.

As shown in FIG. 1, the handle structure of a badminton racket comprises a racket shaft 1 and a handle 2. The lower part of the racket rod 1 is provided with a fixing hole 3, the fixing hole 3 is a blind hole or a through hole, and the fixing hole 3 is a through hole in the embodiment. The handle 2 is formed by two butt-jointed half handles I and II through ultrasonic welding, and the two half handles are symmetrical along the central axis of the handle 2 after welding. The handle 2 comprises a head part 2-1, a middle part 2-2 and a tail part 2-3 from top to bottom.

An inserting hole 4 is arranged in the handle head 2-1, a fixing bulge 5 is arranged on the inner wall of the inserting hole 4, the two fixing bulges 5 are respectively arranged on the two half handles, and the positions of the two fixing bulges are respectively corresponding to the two openings of the fixing hole 3. After assembly, the two half handles are fixedly connected with the racket rod, and the two fixing bulges 5 are positioned in the fixing holes 3. After the two half handles are fixedly connected, the two fixing bulges 5 are also welded together through ultrasonic waves. In order to improve the aesthetic feeling, the outer surface of the handle head part 2-1 is sleeved with a conical sleeve 8.

As shown in fig. 3, one form of the insertion hole 4: the handle head 2-1 is solid, and the insertion hole 4 is formed along the central axis. Each half handle is provided with a semicircular groove, and after the handle is welded and fixed, the two semicircular grooves surround the inserting hole 4.

As shown in fig. 4, another form of the insertion hole 4: the shell of the handle head 2-1 is internally provided with a plug pipe along the central axis, and the plug pipe is connected with the conical shell through a connecting rib 6. Each half handle is provided with a semicircular groove, after welding and fixing, the two semicircular grooves are enclosed to form an inserting pipe, and the channel of the inserting pipe is the inserting hole 4.

In the embodiment, the two ends of the insertion hole 4 penetrate through, the lower part of the racket rod 1 is positioned in the insertion hole 4, the tail part of the racket rod 1 is provided with the positioning bulge, and the positioning bulge is clamped at the opening at the lower end of the insertion hole 4 to further prevent the racket from being thrown out when a ball is hit.

The handle middle part 2-2 is a hollow prism shape or a cylindrical shape, and the cylindrical shape is given in the present embodiment. In order to increase the sense of fullness of the handle without increasing the weight of the handle too much and reduce the shock generated when the racket hits the ball, the handle 2 is filled with a foaming material, which is injected through a foaming agent injection hole 11 of the handle tail 2-3, and then the foaming agent injection hole 11 is closed by a cap 12, as shown in fig. 7. Alternatively, the handle tail part 2-3 is provided with a tail cover 10 which is sleeved on the handle tail part 2-3, and the foaming agent injection hole 11 is sealed by the tail cover 10, as shown in fig. 8. Or the handle tail part 2-3 can be completely opened and closed by arranging a tail sleeve cover 10 sleeved on the handle tail part 2-3, as shown in fig. 9. In another mode, a light elastic substance is embedded in the handle 2 before the butt-jointed two half handles I and II are welded, and after the two handles are welded by ultrasonic welding or hot melt adhesive, the light elastic substance is embedded in the handle 2 and is sealed by the tail sleeve cover 10.

As shown in fig. 1, 3 and 4, an elastic substance is filled between the racket shaft 1 and the insertion hole 4. In order to improve the connection firmness, glue is applied to the surface of the lower part of the racket rod 1 or in the semicircular groove of the half-side handle, and after the assembly is finished, the elastic substance is the coagulated glue (adhesive). Or the elastic substance adopts Thermoplastic polyurethane elastomer rubber (TPU), and the Thermoplastic polyurethane elastomer rubber has the characteristics of wear resistance, oil resistance, transparency, good elasticity and the like and meets the requirement of environmental protection. The elastic substance can effectively reduce the vibration generated when the racket strikes the ball, and the use comfort is improved.

In order to improve the use comfort, the outer wall of the middle part 2-2 of the handle is coated with an elastic surface layer 7, and the elastic surface layer 7 is also made of thermoplastic polyurethane elastomer rubber and is used for improving the friction force, reducing the vibration generated by batting and improving the comfort when the handle is held by hands. Specifically, the elastic surface layer is made of a TPR (thermoplastic-Rubber material) material, the TPR material has Rubber elasticity, vulcanization is not needed, and direct secondary injection molding including double-color mold molding can be performed.

Example 2.

As shown in FIG. 2, the handle structure of a badminton racket comprises a racket shaft 1 and a handle 2. Two fixing holes 3 are arranged at the lower part of the racket rod 1, and the fixing holes 3 are through holes. The handle 2 is formed by welding two butt-jointed half handles I and II through hot melting. The handle 2 comprises a head part 2-1, a middle part 2-2 and a tail part 2-3 from top to bottom.

The handle head 2-1 is internally provided with an inserting hole 4, and the inner wall of the inserting hole 4 is provided with a fixing bulge 5 corresponding to the opening of each fixing hole 3. After assembly, the two half handles are fixedly connected with the racket rod, and the fixing bulge 5 is positioned in the fixing hole 3. The outer surface of the handle head 2-1 is sleeved with a conical sleeve 8. In this embodiment, the insertion hole 4 has an open end and a closed end, and the lower portion of the racket shaft 1 is located in the insertion hole 4. The handle middle part 2-2 is a hollow prism shape or a cylindrical shape, and the cylindrical shape is given in the present embodiment.

The handle mid-section 2-2 may be completely hollow as shown in figure 5. Alternatively, a reinforcing rib 9 is arranged in the middle part 2-2 of the handle, so that the strength of the handle can be further enhanced, as shown in fig. 2 and 6. The handle 2 is filled with the foaming material, so that the filling sense of the handle is increased, and the weight of the handle is not increased too much.

As shown in fig. 2, an elastic substance is filled between the outer wall of the racket shaft 1 and the inner wall of the insertion tube 4. The elastic substance may be a glue or adhesive which is used to bond the racket shaft and the bayonet tube after setting. Or the elastic substance adopts Thermoplastic polyurethane elastomer rubber (TPU), and has the characteristics of wear resistance, oil resistance, transparency, good elasticity and the like. The elastic substance can effectively reduce the vibration generated when the racket strikes the ball.

As shown in fig. 2, 5 and 6, in order to improve the use comfort, the outer wall of the middle part 2-2 of the handle is covered with an elastic surface layer 7, the elastic surface layer is also made of thermoplastic polyurethane elastomer Rubber, and specifically, a TPR material (Thermo-Plastic-Rubber material) can be used.

Claims

1. Racket pole handle structure, including racket pole (1) and handle (2), its characterized in that:

the lower part of the racket rod (1) is provided with a fixed hole (3);

the complete handle (2) is composed of two half handles (I) and (II) which are butted; the two half handles (I) and (II) are fixed through ultrasonic welding or hot melting welding; the handle (2) is provided with a head part (2-1), a middle part (2-2) and a tail part (2-3) from top to bottom;

the handle head (2-1) is vertically provided with an inserting hole (4) for installing the racket rod (1), the inner wall of the inserting hole (4) is provided with fixing bulges (5), and the number and the positions of the fixing bulges (5) respectively correspond to the fixing holes (3); the middle part (2-2) of the handle is in a hollow cylindrical shape;

after the racket is assembled, the two half handles (I) and (II) are fixedly connected with the racket rod (1), the lower part of the racket rod (1) is positioned in the insertion hole (4), and the fixing protrusion (5) is positioned in the fixing hole (3).

2. A badminton racket shaft structure according to claim 1, wherein: the handle head (2-1) is solid, and the insertion hole (4) is formed along the central axis of the handle head (2-1); the head positions of the two half handles (I) and (II) are respectively provided with a semicircular groove, and after the two semicircular grooves are welded and fixed, the two semicircular grooves surround to form an inserting hole (4).

3. A badminton racket shaft structure according to claim 1, wherein: the handle head part (2-1) comprises a conical shell and an insertion pipe which are coaxially arranged, and the conical shell is connected with the insertion pipe through a connecting rib (6); the splicing pipe is composed of two semicircular pipe walls which are respectively arranged on the two half handles (I) and (II), after welding and fixing, the two semicircular pipe walls are enclosed to form the splicing pipe, and the channel of the splicing pipe is the splicing hole (4).

4. A badminton racket shaft structure according to claim 1, wherein: the fixing holes (3) are through holes, the number of the fixing holes is 1-3, and fixing protrusions (5) are arranged on the inner wall of each inserting hole (4) corresponding to the opening of each fixing hole (3).

5. A badminton racket shaft structure according to claim 4, wherein: after the two half handles are fixedly connected, the fixing bulges (5) corresponding to the two half handles are simultaneously welded and fixedly connected in the fixing holes (3).

6. A badminton racket shaft structure as defined in claim 1, 2, 3, 4 or 5, wherein: elastic substances are filled between the outer wall of the racket rod (1) and the inner wall of the insertion hole (4).

7. A badminton racket shaft structure according to claim 6, wherein: the elastic substance is a coagulated glue.

8. A badminton racket shaft structure according to claim 6, wherein: the elastic substance is thermoplastic polyurethane elastomer rubber.

9. A badminton racket shaft structure as defined in claim 1, 2, 3, 4 or 5, wherein: the outer wall of the middle part (2-2) of the handle is coated with an elastic surface layer (7).

10. A badminton racket shaft structure according to claim 9, wherein: the elastic surface layer (7) is thermoplastic polyurethane elastomer rubber.

11. A badminton racket shaft structure as defined in claim 1, 2, 3, 4 or 5, wherein: the outer surface of the handle head (2-1) is sleeved with a conical sleeve (8).

12. A badminton racket shaft structure as defined in claim 1, 2, 3, 4 or 5, wherein: the middle part (2-2) of the handle is prism-shaped or cylindrical.

13. A badminton racket shaft structure as defined in claim 1, 2, 3, 4 or 5, wherein: and a reinforcing rib (9) is arranged in the middle part (2-2) of the handle.

14. A badminton racket shaft structure as defined in claim 1, 2, 3, 4 or 5, wherein: the handle also comprises a tail sleeve cover (10), and the tail sleeve cover (10) is sleeved at the tail part of the handle.

15. A badminton racket shaft structure according to claim 14, wherein: the handle (2) is filled with a light elastic object or foaming material and is sealed by a tail sleeve cover (10).

16. A badminton racket shaft structure according to claim 14, wherein: the foaming agent foaming handle is characterized in that the foaming material is filled in the handle (2), a foaming agent injection hole (11) is formed in the tail portion (2-3) of the handle, and the foaming agent injection hole (11) is sealed by the tail sleeve cover (10).

17. A badminton racket shaft structure as defined in claim 1, 2, 3, 4 or 5, wherein: the foaming material is filled in the handle (2), a foaming agent injection hole (11) is formed in the tail portion (2-3) of the handle, and the foaming agent injection hole (11) is sealed through a sealing cover (12).