CN221278188U - Quick fixing and locking structure - Google Patents

Abstract

The utility model relates to a quick fixing and locking structure which comprises a locking body, wherein one end of the locking body is movably connected with a locking piece, one end of the locking piece, which is far away from the locking body, is movably connected with a clamping piece, the inner wall of the locking body is in pressure connection with a first locking pad, the inner wall of the locking piece is in pressure connection with a second locking pad, a dumbbell rod is in pressure connection between the first locking pad and the second locking pad, the clamping piece is in clamping connection with the locking body, one end of the locking body is provided with a plurality of U-shaped grooves, each U-shaped groove is provided with a first connecting lug, and each first connecting lug is provided with a connecting lug hole. The quick fixing and locking structure has the advantages of improving self-locking capability, being convenient to assemble and disassemble, expanding the application range and the like.

Description

Quick fixing and locking structure

Technical Field

The utility model relates to the technical field of locking structures, in particular to a rapid fixing and locking structure.

Background

Dumbbell is body-building and strength training equipment, generally comprises dumbbell bar, dumbbell piece and retaining member. At present, the retaining member that dumbbell is used often adopts traditional nut to screw, but because the nut is the metal material, the dynamics of screwing up with the hand is limited, and after long-time use, the dumbbell receives external force effects such as violent vibration easily, cause the nut not hard up, influence the normal use of body-building apparatus, the event of injury appears even, when changing the dumbbell piece, need unscrew repeatedly and screw the nut, change needs a large amount of time, the continuity and the efficiency of body-building have seriously been influenced, simultaneously dumbbell pole and nut adopt one to one cooperation, once the nut appears losing after long-time use, if not changing again, will lead to the dumbbell unable use, cause the waste of body-building resource.

For this reason, we have developed a quick fixing and locking structure to solve the above problems.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide a rapid fixing and locking structure which has the advantages of improving self-locking capability, being convenient to assemble and disassemble, expanding the application range and the like.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a quick fixed locking structure, includes a locking body, the one end swing joint retaining member of locking body, the retaining member is kept away from the one end swing joint spare of locking body, a first locking pad of locking body inner wall crimping, a second locking pad of inner wall crimping of retaining member, a dumbbell pole of crimping between first locking pad with the second locking pad, the joint spare with locking body joint.

Preferably, a plurality of U-shaped grooves are formed in one end of the locking body, first connecting lugs are arranged in the U-shaped grooves, and a connecting lug hole is formed in the first connecting lugs.

Preferably, a plurality of second connecting lugs are arranged at one end of the locking piece, through holes are formed in the second connecting lugs, the second connecting lugs are connected with the U-shaped grooves in an inserting mode, and the connecting lug holes are connected with the through holes in an inserting mode through first pin shafts.

Preferably, an open slot is arranged at the other end of the locking piece, a first connecting hole is arranged at the top end of the open slot, and a first jack is arranged at the bottom end of the open slot.

Preferably, a second jack is arranged at one end of the clamping piece, and the second jack is respectively connected with the first connecting hole and the first jack in an inserting mode through a second pin shaft.

Preferably, a notch is arranged at the middle position of the other end of the locking body, a groove is arranged at one end of the notch, a pressing finger is arranged at one end of the clamping piece, and the pressing finger is in pressure connection with the groove.

Preferably, a second connecting hole is formed in the top end of the notch, a third inserting hole is formed in the bottom end of the notch, the second connecting hole is connected with the third inserting hole in an inserting mode through a third pin shaft, an arc-shaped clamping hook is arranged in the middle of the clamping piece, and the arc-shaped clamping hook is connected with the third pin shaft in a clamping mode.

Preferably, the inner wall of the locking body is provided with a first arc groove with a convex structure, two corners of the bottom end of the first arc groove are respectively provided with a convex groove, the inner wall of the first locking pad is provided with a first arc boss, two corners of the bottom end of the first locking pad are respectively provided with a first convex angle, the bottom end of the first locking pad is provided with a first stress groove, the first locking pad is in clamping connection with the first arc groove, the convex groove is in clamping connection with the first convex angle, and the first boss is in compression joint with the dumbbell rod.

Preferably, the inner wall of the locking piece is provided with a second arc groove, the inner wall of the second locking pad is provided with an arc-shaped second boss, the bottom end of the second locking pad is provided with a second stress groove, two bottom corners are respectively provided with a second convex angle, the second locking pad is clamped with the second arc groove, and the second boss is in compression joint with the dumbbell rod.

Preferably, two corners of one end of the locking piece are respectively provided with an inserting block and an inserting plate, two corners of one end of the locking body are respectively provided with an L-shaped groove and an inserting groove, the inserting blocks are inserted into the L-shaped grooves, and the inserting plates are inserted into the inserting grooves.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

According to the quick fixing and locking structure, the locking body, the locking piece and the dumbbell rod are in compression joint and locking through the clamping piece, so that labor and time are saved, and the quick fixing and locking structure is convenient to disassemble and assemble; the two ends of the dumbbell rod are locked without using nuts in a screwing way, so that the self-locking capacity is improved; the locking body is movably pressed and locked with the locking piece, and the locking pad is adjusted, so that the dumbbell rod with a certain diameter range is suitable, and the convenience of use is improved.

Drawings

Fig. 1 is an exploded view of the quick-fix locking structure of the present utility model.

Fig. 2 is an assembly view of the quick fixing locking structure according to the present utility model.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

In fig. 1 and fig. 2, a quick fixing and locking structure includes a locking body 10, one end of the locking body 10 is movably connected with a locking member 20, an anti-slip groove 29 is arranged on the outer wall of the locking member 20, one end of the locking member 20, which is far away from the locking body 10, is movably connected with a clamping member 30, the inner wall of the locking body 10 is in compression joint with a first locking pad 40, the inner wall of the locking member 20 is in compression joint with a second locking pad 50, a dumbbell rod is in compression joint between the first locking pad 40 and the second locking pad 50, and the clamping member 30 is in clamping joint with the locking body 10.

A plurality of U-shaped grooves 12 are arranged at one end of the locking body 10, a notch 14 is arranged at the middle position of the other end of the locking body 10, and a first arc groove 11 with a convex structure is arranged on the inner wall of the locking body 10. The U-shaped groove 12 is provided with a first connecting lug 13, and the first connecting lug 13 is provided with a connecting lug hole 131. A second connecting hole 15 is provided at the top end of the notch 14, and a third insertion hole 18 is provided at the bottom end. A groove 141 is formed at one end of the notch 14, and the second connecting hole 15 and the third jack 18 are inserted through the third pin shaft 70. The bottom both corners department of first arc groove 11 respectively is equipped with a tongue 111, and the inner wall of first locking pad 40 is equipped with curved first boss 42 to bottom both corners department respectively is equipped with a first salient angle 41, and the bottom department of first locking pad 40 is equipped with a first stress groove 43, and first locking pad 40 and first arc groove 11 joint, tongue 111 and first salient angle 41 joint, first boss 42 and dumbbell pole crimping. An L-shaped groove 16 and a slot 17 are respectively arranged at two corners of one end of the locking body 10, the inserting block 25 is inserted into the L-shaped groove 16, and the inserting plate 24 is inserted into the slot 17.

A plurality of second connecting lugs 27 are arranged at one end of the locking piece 20, a second arc groove 26 is arranged on the inner wall of the locking piece 20, and an inserting block 25 and an inserting plate 24 are respectively arranged at two corners of one end of the locking piece 20. The other end of the locking member 20 is provided with an open slot 21. The second connecting lug 27 is provided with a through hole 271, the second connecting lug 27 is spliced with the U-shaped groove 12, and the connecting lug hole 131 is spliced with the through hole 271 through the first pin shaft 60. A first connection hole 22 is provided at the top end of the open slot 21, and a first insertion hole 23 is provided at the bottom end. The inner wall of the second locking pad 50 is provided with an arc-shaped second boss 53, a second stress groove 52 is arranged at the bottom end of the second locking pad 50, a second convex angle 51 is arranged at each of two bottom corners, the second locking pad 50 is clamped with the second arc groove 26, and the second boss 53 is in compression joint with the dumbbell rod.

One end of the clamping piece 30 is provided with a second jack 32, the other end of the clamping piece 30 is provided with a pressing finger 31, and the middle position of the clamping piece 30 is provided with an arc-shaped clamping hook 33. The second jack 32 is respectively plugged with the first connecting hole 22 and the first jack 23 through a second pin 65. The pressing finger 31 is pressed against the groove 141. The arc-shaped hook 33 is clamped with the third pin shaft 70.

Before use, the first locking pad 40 is placed in the first arc groove 11 of the locking body 10, the second locking pad 50 is placed in the second arc groove 26 of the locking piece 20, the second connecting lug 27 is inserted into the U-shaped groove 12, the first pin shaft 60 is inserted into the connecting lug hole 131 and the through hole 271, at this time, the locking body 10 and the locking piece 20 are movably connected through the first pin shaft 60, the clamping piece 30 is placed in the open groove 21, the second pin shaft 65 is used for inserting the first connecting hole 22, the second inserting hole 32 and the first inserting hole 23, the clamping piece 30 is movably connected through the second pin shaft 65, the third pin shaft 70 is inserted into the second connecting hole 15 and the third inserting hole 18, when the dumbbell rod is pressed, the dumbbell rod is pressed between the first locking pad 40 and the second locking pad 50, the arc-shaped clamping hook 33 is clamped to the third pin shaft 70 and locked, at this time, the inserting block 25 is abutted to the L-shaped groove 16, and the inserting plate 24 is inserted into the inserting groove 17. When the dumbbell piece needs to be added or reduced, only the pressing fingers 31 are required to be loosened, the locking structure is taken down, and the locking structure is clamped to the dumbbell rod after being disassembled and assembled.

The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.

Claims (10)

1. A quick fixed locking structure which characterized in that: the locking device comprises a locking body (10), wherein one end of the locking body (10) is movably connected with a locking piece (20), one end of the locking piece (20) away from the locking body (10) is movably connected with a clamping piece (30), the inner wall of the locking body (10) is in pressure connection with a first locking pad (40), the inner wall of the locking piece (20) is in pressure connection with a second locking pad (50), a dumbbell rod is in pressure connection between the first locking pad (40) and the second locking pad (50), and the clamping piece (30) is in pressure connection with the locking body (10).

2. The quick-fixing locking structure according to claim 1, characterized in that a plurality of U-shaped grooves (12) are provided at one end of the locking body (10), the U-shaped grooves (12) are provided with first connecting lugs (13), and the first connecting lugs (13) are provided with a connecting lug hole (131).

3. The quick fixing and locking structure according to claim 2, wherein a plurality of second connecting lugs (27) are arranged at one end of the locking piece (20), through holes (271) are formed in the second connecting lugs (27), the second connecting lugs (27) are inserted into the U-shaped grooves (12), and the connecting lug holes (131) are inserted into the through holes (271) through first pin shafts (60).

4. A quick-action locking structure according to claim 3, characterized in that the locking element (20) is provided with an open slot (21) at the other end, a first connecting hole (22) being provided at the top end of the open slot (21) and a first insertion hole (23) being provided at the bottom end.

5. The quick fixing and locking structure according to claim 4, wherein a second jack (32) is provided at one end of the clamping member (30), and the second jack (32) is respectively plugged with the first connecting hole (22) and the first jack (23) through a second pin shaft (65).

6. The quick fixing and locking structure according to claim 2, wherein a notch (14) is provided at a middle position of the other end of the locking body (10), a groove (141) is provided at one end of the notch (14), a pressing finger (31) is provided at one end of the clamping member (30), and the pressing finger (31) is in press connection with the groove (141).

7. The quick fixing and locking structure according to claim 6, wherein a second connecting hole (15) is formed at the top end of the notch (14), a third inserting hole (18) is formed at the bottom end of the notch, the second connecting hole (15) and the third inserting hole (18) are inserted through a third pin shaft (70), an arc-shaped clamping hook (33) is arranged at the middle position of the clamping piece (30), and the arc-shaped clamping hook (33) is clamped with the third pin shaft (70).

8. The quick fixing and locking structure according to claim 1, wherein the inner wall of the locking body (10) is provided with a first arc groove (11) with a convex structure, two corners of the bottom end of the first arc groove (11) are respectively provided with a convex groove (111), the inner wall of the first locking pad (40) is provided with a first arc boss (42), two corners of the bottom end of the first locking pad (40) are respectively provided with a first convex angle (41), the bottom end of the first locking pad (40) is provided with a first stress groove (43), the first locking pad (40) is clamped with the first arc groove (11), the convex groove (111) is clamped with the first convex angle (41), and the first boss (42) is in compression joint with a dumbbell rod.

9. The quick fixing and locking structure according to claim 8, wherein a second arc groove (26) is formed in the inner wall of the locking member (20), an arc-shaped second boss (53) is formed in the inner wall of the second locking pad (50), a second stress groove (52) is formed in the bottom end of the second locking pad (50), a second convex angle (51) is formed in each of two bottom corners, the second locking pad (50) is clamped with the second arc groove (26), and the second boss (53) is in compression joint with the dumbbell rod.

10. The quick fixing and locking structure according to claim 1, wherein an insertion block (25) and an insertion plate (24) are respectively arranged at two corners of one end of the locking member (20), an L-shaped groove (16) and an insertion groove (17) are respectively arranged at two corners of one end of the locking body (10), the insertion block (25) is inserted into the L-shaped groove (16), and the insertion plate (24) is inserted into the insertion groove (17).