CN219440560U

CN219440560U - Switching device for fitness equipment

Info

Publication number: CN219440560U
Application number: CN202320507988.5U
Authority: CN
Inventors: 徐剑
Original assignee: Individual
Current assignee: Shi Linzi
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-01
Anticipated expiration: 2033-03-09

Abstract

The utility model provides a body-building apparatus switching device, including locking assembly, locking assembly includes first closure, second closure and buckle structure, first closure and second closure's one end can open and shut relatively and rotate the connection, the other end passes through buckle structure and can dismantle the connection, form the locking hole after first closure and the closure of second closure, buckle structure includes buckle spare and lock catch, buckle spare and first closure rotatable coupling, the lock catch sets up on the second closure, the buckle spare can rotate between lock position and open position, when the buckle spare is in lock position, the buckle spare rotates to the position of buckling the lock catch makes first closure and second closure closed unable opening, just can make first closure and second closure keep in closed state or make first closure and second closure can open fast through operating the buckle spare, thereby realize switching device and body-building apparatus's quick assembly and disassembly.

Description

Switching device for fitness equipment

Technical Field

The utility model relates to the field of fitness equipment, in particular to a switching device of the fitness equipment.

Background

The Chinese patent document CN214344157U discloses a simple kettle bell handle, which comprises a sliding rail column, wherein the upper end of the sliding rail column is integrally connected with a handle, a handle shell is arranged on the handle, a connecting screw is arranged on the handle shell, the connecting screw is in threaded connection with the handle, the lower end of the sliding rail column is integrally connected with a hook, a dumbbell is placed on the hook, a sliding block is slidably arranged on the sliding rail column, a fixing buckle is slidably arranged on the sliding rail column, the fixing buckle is positioned above the sliding block, a fixing screw is arranged on the fixing buckle, the dumbbell is placed on the hook, the sliding block is enabled to slide downwards, the dumbbell is pressed, the fixing screw is rotated to fix the fixing buckle, the sliding block is further limited, the dumbbell is tightly pressed, the dumbbell is prevented from being separated from the hook, and then the handle is lifted, so that the dumbbell can be manufactured into a simple kettle bell through the handle; by arranging the handle, the dumbbell and the kettle bell can be combined into a whole.

Above-mentioned kettle bell handle exists following not enough, and firstly this handle can only be used for becoming the form of kettle bell with the dumbbell, can't be with the form of dumbbell deformation into the barbell, and the mode of use is comparatively single, secondly prevents through rotatory set screw that the dumbbell loosens, from this needs rotatory set screw many times to prevent that the dumbbell loosens, and this mode is comparatively loaded down with trivial details, not enough convenient.

Disclosure of Invention

The utility model aims to provide a body-building equipment switching device capable of being quickly disassembled and assembled.

The utility model is realized by the following technical scheme:

the utility model provides a body-building apparatus switching device, including locking assembly, locking assembly includes first closure, second closure and buckle structure, first closure and second closure's one end can be opened and shut relatively and rotate the connection, the other end passes through buckle structure and can dismantle the connection, form the closure hole after first closure and the closure of second closure, buckle structure includes buckle spare and lock catch, buckle spare and first closure rotatable coupling, the lock catch sets up on the second closure, the buckle spare can rotate between lock position and open position, when the buckle spare is in lock position, the buckle spare rotates to the position of buckling the lock catch makes first closure and second closure closed unable opening, the horizontal pole of body-building apparatus can be fixed to the closure hole, like the horizontal pole of dumbbell, make switching device can fix on body-building apparatus through operating the buckle spare just can make first closure and second closure keep in the closure state or make first closure and second closure can open fast, thereby realize switching device and body-building apparatus's quick assembly and disassembly.

Further, the buckling piece comprises a first rotating shaft and an operating piece, the operating piece can be rotatably arranged on the first rotating shaft between a locking position and a releasing position, an abutting surface is formed on the operating piece, when the operating piece rotates to the locking position, the abutting surface abuts against the buckling hook, the buckling piece is limited to be unable to rotate at the buckling position, when the operating piece rotates to the releasing position, the abutting surface releases the buckling hook, the buckling piece can rotate, and therefore the buckling piece can be stably kept at the buckling position or in a rotatable opening state through rotating the operating piece, and the operation is quite convenient.

Further, the fastening piece further comprises two fastening plates and a second rotating shaft which are arranged at intervals in parallel, the first rotating shaft is connected between one ends of the two fastening plates, the second rotating shaft is connected between the other ends of the two fastening plates, the two fastening plates are connected with the first locking piece in a rotating mode through the second rotating shaft, the two fastening plates, the first rotating shaft and the second rotating shaft enclose a fastening hole for fastening the fastening hook, when the fastening piece is located at a fastening position, the fastening hook is embedded into the fastening hole, and when the fastening piece is located at an opening position, the fastening hook is separated from the fastening hole.

Further, the abutting surface is an arc surface, the distance between the first rotating shaft and the abutting surface is gradually changed, so that the operating piece rotates from the releasing position to the locking position, the acting force of the abutting surface and the fastening hook is larger and larger, and finally the operating piece is locked, and the arc surface gradually changed from the first rotating shaft to the first rotating shaft can enable the operating piece to rotate more smoothly.

Further, one of the first locking piece and the second locking piece is provided with a protruding positioning portion, the other one of the first locking piece and the second locking piece is provided with a groove matched with the positioning portion, the positioning portion and the groove enable guiding and positioning functions when the first locking piece and the second locking piece are closed, the positioning portion and the groove enable guiding functions when the first locking piece and the second locking piece move towards the closing direction, and the positioning portion and the groove enable positioning functions when the first locking piece and the second locking piece are relatively closed, so that loosening and dislocation of the first locking piece and the second locking piece are prevented, and loosening and opening of a locking structure is prevented.

Further, the front end face of the fastening hook is provided with the positioning part or the groove, so that the fastening structure in the locking state is further prevented from being loosened and opened.

Further, still include handheld subassembly, locking subassembly is provided with the grafting structure, the grafting structure is provided with the spliced eye, the grafting structure is provided with spliced eye and locating part, handheld subassembly is including the connector in the pluggable spliced eye, the connector outer peripheral face is provided with the spacing groove, the locating part can be in the restriction position with break away from between the position, when the locating part is in the restriction position, the locating part can imbed in the spacing groove of connector in order to restrict the connector and break away from the spliced eye, when the locating part is in breaking away from the position, the connector can break away from the spliced eye, the handheld subassembly is used for the user to grasp when using, and through the cooperation of handheld subassembly and locking subassembly, thereby change dumbbell into hu zu or barbell's form.

Furthermore, the first locking piece and the second locking piece are closed and then the limiting piece is pushed to the limiting position, so that the limiting piece can be kept at the limiting position while the first locking piece and the second locking piece are closed, and a part for operating the limiting piece is not needed to be additionally arranged, so that the whole structure is simpler and the cost is lower.

Further, the plug structure further comprises a mounting sleeve, the mounting sleeve surrounds the plug hole, a mounting hole communicated with the plug hole is formed in the side wall of the mounting sleeve, the limiting piece is movably arranged in the mounting hole, the first locking piece and the second locking piece can push the limiting piece to protrude out of the inner wall of the mounting sleeve after being closed, the limiting piece is located at a limiting position, and the mounting sleeve is made of metal materials, so that stability and firmness of the handheld assembly and the locking assembly during connection are improved.

Further, the outer wall of connector is formed with the first portion that blocks that extends along its length direction, the inner wall of spliced eye is formed with the second portion that blocks, and first portion that blocks and second block can mutually support the locking, in order to prevent handheld subassembly with locking subassembly relative rotation, the spacing groove is for following the connector outer peripheral face annular is sunken to form, only needs to aim at the second portion that blocks with first blocking portion from this and can realize inserting the connector in the spliced eye.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings.

Fig. 1 is a perspective view of a closure assembly of the present utility model in a closed position.

Fig. 2 is a front view of the locking assembly of the present utility model.

Fig. 3 is a cross-sectional view taken along A-A in fig. 2.

Fig. 4 is a perspective view of the locking assembly of the present utility model in an unlocked state.

Fig. 5 is an exploded view of the locking assembly of the present utility model.

Fig. 6 is another exploded view of the locking assembly of the present utility model.

Fig. 7 is a first embodiment of the hand-held assembly of the present utility model.

Fig. 8 is a perspective view of an embodiment of a kettlebell of the present utility model.

Fig. 9 is a rear view of an embodiment of the kettle bell of the present utility model.

Fig. 10 is a sectional view taken along the direction B-B in fig. 8.

Fig. 11 is a second embodiment of the handheld assembly of the present utility model.

Fig. 12 is an enlarged view of a portion of the joint of fig. 10.

Fig. 13 is a perspective view of a barbell embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

the locking assembly 1, the first locking member 11, the groove 111, the second locking member 12, the receiving groove 121, the positioning portion 122, the fastening structure 13, the first rotation shaft 131, the second rotation shaft 132, the operating member 133, the abutment surface 1331, the fastening plate 134, the receiving block 1341, the receiving groove 1342, the fastening hole 135, the fastening hook 136, the locking hole 14, the third rotation shaft 15, the connection notch 151, the connection portion 152, the hand-held assembly 2, the connector 21, the limiting groove 211, the first blocking portion 212, the hand-held portion 22, the in-line connecting rod 23, the insertion hole 31, the second blocking portion 311, the tubular portion 32, the arc-shaped connecting plate 33, the cover plate portion 34, the pushing protrusion 341, the mounting sleeve 35, the mounting hole 351, the bolt 352, the limiting member 36, and the dumbbell 4.

Detailed Description

The utility model provides a body-building equipment switching device, the device is mainly used to change body-building equipment such as dumbbell 4 into barbell or kettle bell and uses, and dumbbell 4, barbell and kettle bell can temper different health positions respectively, consequently change dumbbell 4 into barbell or kettle bell through body-building equipment switching device to satisfy user's different exercise demands.

Referring to fig. 1 to 13, an exercise apparatus switching device comprises a locking assembly 1 and a hand-held assembly 2, wherein the locking assembly is provided with a plug structure for detachably connecting the locking assembly 1 and the hand-held assembly 2. The locking assembly 1 comprises a first locking element 11, a second locking element 12 and a buckling structure 13, one end of the first locking element 11 and one end of the second locking element 12 can be rotatably connected in a relatively opening and closing manner, the other end of the first locking element 11 and the other end of the second locking element 12 can be detachably connected through the buckling structure 13, a locking hole 14 is formed after the first locking element 11 and the second locking element 12 are closed, the buckling structure 13 comprises a buckling element and a buckling hook 136, the buckling element and the first locking element 11 are rotatably connected, the buckling hook 136 is arranged on the second locking element 12, the buckling element can rotate between a buckling position and an opening position, when the buckling element is in the buckling position, the buckling element rotates to the position of buckling the buckling hook 136 so that the first locking element 11 and the second locking element 12 can not be opened, the cross bar of the body-building equipment, such as a cross bar of a dumbbell 4 can be fixed on the body-building equipment, the first locking element 11 and the second locking element 12 can be kept in a closed state by operating the buckling element, or the first locking element 11 and the second locking element 12 can be quickly opened, and the body-building equipment can be quickly disassembled and assembled.

Specifically, the fastening member includes a first rotating shaft 131, a second rotating shaft 132, an operating member 133, and two fastening plates 134 arranged in parallel at intervals, where the first rotating shaft 131 is connected between one ends of the two fastening plates 134, the second rotating shaft 132 is connected between the other ends of the two fastening plates 134, the two fastening plates 134 are rotatably connected with the first locking member 11 through the second rotating shaft 132, and the two fastening plates 134, the first rotating shaft 131, and the second rotating shaft 132 enclose a fastening hole 135 into which the fastening hook 136 is fastened, so that the operating member 133 is rotatably connected with the fastening plates 134 through the first rotating shaft 131, and the fastening plates 134 are rotatably connected with the first locking member 11 through the second rotating shaft 132. A receiving block 1341 is formed on the front end of the first locking member 11, receiving blocks 1342 are formed on both sides of the receiving block 1341, and two fastening plates are disposed in the two receiving blocks 1342.

The operating member 133 is rotatably disposed on the first rotating shaft 131 between a locking position and a releasing position, and when the operating member 133 rotates to fit the first locking member 11, the operating member 133 is in the locking position, and the second locking member 12 is provided with a receiving groove 121 for receiving the operating member 133 rotated to the locking position; when the operating member 133 is rotated away from the first locking member 11, the operating member 133 is in the release position. The operating member 133 is formed with an abutment surface 1331, and when the operating member 133 is rotated to the locking position, the abutment surface 1331 abuts against the fastening hook 136, so that the fastening member is restricted to be unable to rotate at the fastening position, and when the operating member 133 is rotated to the releasing position, the abutment surface 1331 releases the fastening hook 136, so that the fastening member is rotatable, and the fastening hook 136 is abutted against by the abutment surface 1331, thereby preventing the fastening member from being released. Preferably, the abutting surface 1331 is an arc surface, the distance between the first rotating shaft 131 and the abutting surface 1331 is gradually changed, so that the acting force between the abutting surface 1331 and the fastening hook 136 is larger and larger to finally lock in the process of rotating the operating member 133 from the release position to the locking position, and the rotation of the operating member 133 can be smoother by adopting the arc surface with gradually changed distance with the first rotating shaft 131.

One of the first locking element 11 and the second locking element 12 is provided with a protruding positioning part 122, the other is provided with a groove 111 matched with the positioning part 122, the positioning part 122 and the groove 111 play a guiding and positioning role when the first locking element 11 and the second locking element 12 are closed, the first locking element 11 and the second locking element 12 are prevented from loosening and misplacement, a locking structure is prevented from loosening and opening, and the positioning part 122 or the groove 111 can be arranged on the front end face of the locking hook 136. In the present utility model, the positioning portion 122 is provided at the front end of the snap hook 136, the groove 111 is provided on the top surface of the receiving block 1341, and of course, the positions where the positioning portion 122 and the groove 111 are provided are not limited to only the positions where the present utility model is provided, as long as the closed positioning portion 122 and the groove 111 of the first locking member 11 and the second locking member 12 can be guided or positioned in accordance with the purpose of the present utility model to provide the foregoing structure.

The utility model also comprises a hand-held component 2, wherein the hand-held component 2 is used for being gripped by a user when in use, and the plug-in structure is used for connecting the hand-held component 2 and the locking component 1. The present utility model provides two embodiments of the handheld assembly 2, but the handheld assembly 2 of the two embodiments has the following same features, the handheld assembly 2 includes a connector 21 that can be inserted into a jack 31, the outer peripheral surface of the connector 21 is provided with a limit groove 211, and preferably, the limit groove 211 is formed by annular recessing along the outer peripheral surface of the connector 21. The plugging structure is provided with a plugging hole 31 and a limiting piece 36, the limiting piece 36 can move between a limiting position and a disengaging position, when the limiting piece 36 is at the limiting position, the limiting piece 36 can be embedded into the limiting groove 211 of the connector 21 to limit the connector 21 to be disengaged from the plugging hole 31, and when the limiting piece 36 is at the disengaging position, the connector 21 can be disengaged from the plugging hole 31.

The plug structure comprises a tubular part 32, an arc-shaped connecting plate 33, a cover plate part 34, a mounting sleeve 35 and a limiting piece 36, wherein a hole formed by the tubular part 32 is a plug hole 31, the tubular part 32, the arc-shaped connecting plate 33 and the first locking piece 11 are integrally formed, the arc-shaped connecting plate 33 is connected with the tubular part 32 and the first locking piece 11, the mounting sleeve 35 is arranged at the upper end of the arc-shaped connecting plate 33 and the rear end of the tubular part 32, the mounting sleeve 35 is arranged around the plug hole 31, the mounting sleeve 35 is detachably connected with the arc-shaped connecting plate 33 through a bolt 352, the mounting hole 351 communicated with the plug hole 31 is formed in the side wall of the mounting sleeve 35, the limiting piece 36 is movably arranged in the mounting hole 351, specifically, the limiting piece 36 is of spherical metal, the mounting sleeve 35 is made of metal, the first locking piece 11 and the second locking piece 12 can push the limiting piece 36 to protrude out of the inner wall of the mounting sleeve 35 after being closed, the cover plate part 34 and the second locking piece 12 are integrally formed, the cover plate part 34 is provided with a pushing protrusion 341 for pushing the limiting piece 36 to protrude the inner wall of the mounting sleeve 35, and the limiting piece 36 is positioned at a limiting position through the pushing protrusion 341, and therefore the first locking piece 11 and the second locking piece 12 can keep the limiting piece 36 from the inner wall of the limiting piece 31 in a state after the state of the first locking piece 12 and the limiting piece 31. This allows the first locking element 11 and the second locking element 12 to be closed while maintaining the limiting element 36 in the limiting position without the need for additional parts for operating the limiting element 36, which makes the overall structure simpler and less costly.

The first locking element 11 and the second locking element 12 are rotationally connected through the third rotating shaft 15, the first locking element 11 is provided with a connecting gap 151 which is transversely arranged at intervals at the connecting position, the second locking element 12 is provided with a connecting portion 152 which is inserted into the connecting gap 151 at the connecting position, the first locking element 11, the tubular portion 32 and the arc-shaped connecting plate 33 are integrally formed in an injection mode, one side of the first locking element 11, which is used for locking the body-building equipment, is provided with a reinforcing rib, the second locking element 12 and the cover plate portion 34 are integrally formed in an injection mode, one side of the second locking element 12, which is used for locking the body-building equipment, is provided with a reinforcing rib, when the first locking element 11 and the second locking element 12 are closed, the outer surface formed by the arc-shaped connecting plate 33 and the cover plate portion 34 is flush with the tubular portion 32, the first locking element 11 and the second locking element 12 are in a semicircular cross section, the locking hole 14 formed when the first locking element 11 and the second locking element 12 are in a circular shape, the cross bar of the body-building equipment is limited in the locking hole 14, the inserting hole 31 is arranged in a direction perpendicular to the locking hole 14, the hand-held assembly 2 is limited in the inserting hole 31, and thus the inserting hole 31 is arranged in a T shape.

The outer wall of the connector 21 is formed with a first blocking portion 212 extending along the length direction thereof, the first blocking portion 212 is arrayed along the circumference of the outer wall of the connector 21, the inner wall of the plugging hole 31 is formed with a second blocking portion 311, and the first blocking portion 212 and the second blocking portion 311 can be mutually matched and locked to prevent the relative rotation of the handheld assembly 2 and the locking assembly 1. In the present utility model, the first blocking portion 212 is an arc-shaped recess, the second blocking portion 311 is an arc-shaped protrusion, and the blocking portion is not limited to the above shape, and may be, for example, a four-wing conical recess and a four-wing conical protrusion that cooperate to block each other.

Referring to fig. 7 to 10, a first embodiment of the hand-held assembly 2 of the present utility model is provided, in which the hand-held component can convert dumbbell 4 into a kettlebell for use, the hand-held assembly 2 includes a hand grip 22 disposed on the other side of a connector 21, the connector 21 is connected to a lock and assembly, the locking assembly 1 is connected to dumbbell 4, and a user can hold the hand grip 22 to lift dumbbell 4, thereby converting dumbbell 4 into a kettlebell for use.

Referring to fig. 11 to 13, a second embodiment of the hand-held module 2 according to the present utility model is provided, in which the hand-held module 2 is provided with connectors 21 at both ends thereof, the connectors 21 are connected by a link 23, the connectors 21 are respectively connected to the locking modules 1, and the user can hold the link 23 by hand to convert the dumbbell 4 into a barbell when the two dumbbell 4 are respectively connected to the locking modules 1.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, i.e., the utility model is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the utility model.

Claims

1. The utility model provides a body-building apparatus switching device, includes locking subassembly (1), and locking subassembly (1) includes first closure piece (11), second closure piece (12) and buckle structure (13), and the one end of first closure piece (11) and second closure piece (12) can open and shut relatively and rotate to be connected, and the other end passes through buckle structure (13) and can dismantle to be connected, forms locking hole (14) after first closure piece (11) and second closure piece (12) are closed, its characterized in that: the buckling structure (13) comprises a buckling piece and a buckling hook (136), the buckling piece is rotatably connected with the first locking piece (11), the buckling hook (136) is arranged on the second locking piece (12), the buckling piece can rotate between a buckling position and an opening position, and when the buckling piece is located at the buckling position, the buckling piece rotates to a position for buckling the buckling hook (136) so that the first locking piece (11) and the second locking piece (12) are closed and cannot be opened.

2. The exercise equipment adapter of claim 1, wherein: the buckling piece comprises a first rotating shaft (131) and an operating piece (133), the operating piece (133) can be arranged on the first rotating shaft (131) in a rotating mode between a locking position and a releasing position, an abutting surface (1331) is formed on the operating piece (133), when the operating piece (133) rotates to the locking position, the abutting surface (1331) abuts against the buckling hook (136), the buckling piece is limited to be unable to rotate at the buckling position, when the operating piece (133) rotates to the releasing position, the abutting surface (1331) loosens the buckling hook (136), and the buckling piece can rotate.

3. The exercise equipment adapter device of claim 2, wherein: the fastening piece further comprises two fastening plates (134) and a second rotating shaft (132) which are arranged in parallel at intervals, the first rotating shaft (131) is connected between one ends of the two fastening plates (134), the second rotating shaft (132) is connected between the other ends of the two fastening plates (134), the two fastening plates (134) are rotationally connected with the first locking piece (11) through the second rotating shaft (132), and the two fastening plates (134) are surrounded by the first rotating shaft (131) and the second rotating shaft (132) to form a fastening hole (135) for fastening the fastening hook (136).

4. The exercise equipment adapter device of claim 2, wherein: the abutting surface (1331) is an arc-shaped surface, the distance from the first rotating shaft (131) to the abutting surface (1331) gradually changes, and in the process that the operating piece (133) rotates from the release position to the locking position, the acting force between the abutting surface (1331) and the buckling hook (136) is larger and larger, and finally the locking is achieved.

5. The exercise equipment adapter of claim 1, wherein: one of the first locking element (11) and the second locking element (12) is provided with a protruding positioning part (122), the other is provided with a groove (111) matched with the positioning part (122), and the positioning part (122) and the groove (111) have guiding and positioning functions when the first locking element (11) and the second locking element (12) are closed.

6. The exercise device adapter of claim 5, wherein: the front end surface of the fastening hook (136) is provided with the positioning part (122) or the groove (111).

7. An exercise apparatus adapter device as claimed in any one of claims 1 to 6, wherein: still include handheld subassembly (2), locking subassembly is provided with grafting structure, grafting structure is provided with spliced eye (31) and locating part (36), handheld subassembly (2) are including connector (21) in can inserting spliced eye (31), connector (21) outer peripheral face is provided with spacing groove (211), locating part (36) can be in limiting position and break away from between the position, when locating part (36) are in limiting position, but locating part (36) imbeds in spacing groove (211) in order to restrict connector (21) and break away from spliced eye (31) in limiting position, when locating part (36) are in breaking away from the position, connector (21) can break away from spliced eye (31).

8. The exercise device adapter of claim 7, wherein: the first locking element (11) and the second locking element (12) are closed and then push the limiting element (36) to the limiting position.

9. The exercise device adapter of claim 8, wherein: the plug structure further comprises a mounting sleeve (35), the mounting sleeve (35) surrounds the plug hole (31), a mounting hole (351) communicated with the plug hole (31) is formed in the side wall of the mounting sleeve (35), the limiting piece (36) is movably arranged in the mounting hole (351), and the first locking piece (11) and the second locking piece (12) can push the limiting piece (36) to protrude out of the inner wall of the mounting sleeve (35) after being closed, so that the limiting piece (36) is located at a limiting position.

10. The exercise device adapter of claim 7, wherein: the outer wall of connector (21) is formed with first blocking portion (212) that extend along its length direction, the inner wall of spliced eye (31) is formed with second blocking portion (311), and first blocking portion (212) can cooperate locking with second blocking portion (311) each other, so as to prevent handheld subassembly (2) with locking subassembly (1) relative rotation, spacing groove (211) are for following connector (21) outer peripheral face annular is sunken to form.