CN219630560U - Safety mechanism of handstand machine - Google Patents

Abstract

A safety mechanism for an inversion machine, comprising: a bracket with two joint ends, at least one joint end has a pivot unit; Located on the pivot unit, the deck rotates around the two shafts, and each pivot unit includes a housing and a push rod; the housing is provided with a guide groove, and the corresponding shaft of the deck will Slidingly arranged in the guide groove; the other side has an outer wall part, which is provided with a perforation; the push rod has an axis part, and the axis part is passed through the perforation hole to move back and forth, and a groove is arranged in the axial direction, The axis part can be displaced between a release position and a fixed position. When the axis part is at the fixed position, the groove is arranged on the side of the guide groove and can restrict the rotating shaft from moving out of the guide groove. The utility model is adjusted by pushing, and the fixing of the position of the rotating shaft can be ensured by the ring sleeve of the groove, which is convenient for operation and easy to fix.

Description

Safety Mechanism for Inversion Machines

technical field

The utility model relates to a movement device, in detail, refers to a safety mechanism of an inversion machine which can well fix the rotating shaft of the inversion machine and prevent the rotating shaft of the inversion machine from falling off.

Background technique

Fig. 1 is a kind of known handstand machine 10, and its main structure includes a bracket 11 and a deck board 12, and this deck board 12 can be pivoted on this bracket 11 with a rotating shaft 121, makes this deck board 12 can be this bracket 11 is the rotation of the axis; in order to fix the rotating shaft 121 of the lying board 12 well, please refer to shown in Figure 1, which is a known method for fixing the rotating shaft of an inversion machine, which is provided with a joint sleeve on the bracket 11 13. An operation button 14 and a locking member 15, wherein: the coupling sleeve 13 is a hollow cylinder, which is fixedly coupled to the coupling end of the bracket 11, and is used to accommodate the rotating shaft 121 of the lying board 12. The coupling sleeve A locking piece 131 protrudes radially inside the cylinder 13, and a through groove 132 is provided for the rotating shaft 121 to be inserted into the coupling sleeve 13; the operation button 14 is rotatably combined with the coupling sleeve 13, and is provided with a Slightly arc-shaped cover plate 141, the cover plate 141 extends to the slot 132 of the joint sleeve 13, and can be rotated to cover the position of the slot 132, the locking member 15 is connected to the sleeve 13 and the operating button 14, the locking piece 15 is passed through the operating button 14 and the latching piece 131, and an elastic component 151 is arranged between the locking piece 131 and the locking piece 15, so that the operating button 14 and the coupling sleeve 13 In combination, the elastic component 151 is sheathed on the locking member 15 and abuts against the locking piece 131, and the cover plate 141 can cover or open the through groove 132 through the rotation position of the operation button 14, and then The rotating shaft 121 can be fixed in the coupling sleeve 13 .

However, the conventional operating button 14 is adjusted by rotating during operation, and it is not easy to locate when rotating, so that the cover plate 14 cannot reliably cover the position of the through groove 132, and the rotating shaft 121 is easy to fall off; and During operation, the operation button 14 needs to be pulled out axially and then rotated. The operation process is cumbersome, and more components are required to complete the assembly. In addition, the locking piece 131 protrudes from the coupling sleeve. The interior of the cylinder 13 is not easy to process, and it is not good at bearing strength, so it is easy to be damaged by the action of the elastic component 151 and the locking member 15 or by the contact of the cover plate 141; moreover, the rotating shaft 121 is only Due to the limited positions of the cover plate 141 and the upper and lower sides of the through groove 132 , the rotating shaft 121 is easy to shake during use, resulting in instability of the reclining board 12 .

Utility model content

The purpose of this utility model is to provide a safety mechanism of an inversion machine, which is adjusted by pushing, and can ensure the fixed position of the rotating shaft through the ring sleeve of the groove, which is convenient to operate and easy to fix.

A safety mechanism of an inverted machine provided by the utility model includes:

A bracket has at least one pivot unit; a lying board has a body with a rotating shaft on both sides, at least one rotating shaft is pivotally arranged on the pivoting unit, and the lying board rotates around the two rotating shafts. in:

Each of the pivot units includes a housing and a push rod;

The casing is arranged at the joint end of the bracket, and one side has an inner wall part, which is provided with a guide groove, and the rotating shaft corresponding to the lying board can be relatively slid in the guide groove; the other side has an outer wall part, which is provided with a guide groove. perforation;

The push rod has an axis portion; the axis portion is passed through the through hole, and can be reset and moved along the axial direction of the through hole, and can move between a fixed position and a release position; the center of the axis portion is provided with a The groove is close to the guide groove when the shaft center portion is at the fixed position, and can restrict each of the rotating shafts from moving out of the guide groove when each of the rotating shafts is slid in the guiding groove.

Through the above arrangement, the user can push the axial portion of the push rod, so that the axial portion can move back and forth between the fixed position and the release position, and when the axial portion is at the fixed position, the axial portion The groove is close to the guide groove, so that the rotating shafts on both sides of the reclining board can be restricted in the groove, and the rotating shaft will not move out of the guiding groove, so that the reclining board can be firmly arranged on the bracket without falling off .

In one embodiment, the push rod further includes a spring buckle portion, which can have an elastic limit effect on the push rod, and when the push rod is at a fixed position, the snap buckle can limit the movement of the push rod position so that the push lever cannot move toward the release position.

In one embodiment, the push rod further includes a ring stop part, the snap button part is arranged on the outer ring side of the ring stop part, the snap button part has an elastic piece, and the free end of the elastic piece is a protrusion; the shell The body defines a stopper on the side boundary of the guide groove, and when the ring stopper blocks the guide groove of the casing, the protrusion of the snap button elastically blocks against the stopper of the guide groove.

In one embodiment, the push rod is provided with a chute between the shaft center portion and the ring stop portion, and a guide rail protrudes from the outer wall; the guide rail passes through the chute.

In one embodiment, the buckle part is arranged on the shaft center part, and has an elastic piece, and the elastic piece is arranged on the shaft center part, and has a block, and when the push rod is in a fixed position, the block block will The elastic block is on the side of the perforation.

In one embodiment, the end of the guide groove on the inner wall of the casing is higher than the bottom of the groove of the push rod, so that the rotating shaft can be inserted into the groove when sliding in the guide groove, and the rotating shaft The bottom of the groove is higher than the bottom of the groove.

In one embodiment, the shaft center portion is provided with a guiding surface around the end surface of the groove.

In one embodiment, a sliding sleeve is sleeved on the rotating shaft, and the sliding sleeve ring is provided with a slide groove. When the rotating shaft is slid in the guide groove, the slide groove of the sliding sleeve is relatively limited on the guide groove.

In one embodiment, the diameter of the rotating shaft of the lying board is substantially equivalent to the diameter of the groove of the push rod, so that the inner peripheral wall of the groove can be wrapped around the outer circumference of the rotating shaft.

Thereby, the rotating shaft of the lying plate of the inverted machine can be well fixed in the housing of the pivot unit, and the rotating shaft is restricted from leaving the guide groove by the push rod at the fixed position, and the rotating shaft can be reliably set In the groove of the push rod, the stability of the installation is ensured, and the push rod can be operated only by axially reciprocating movement, which is relatively simple in the operation process and allows users to use it conveniently.

Description of drawings

In order to further understand the purpose, characteristics and achieved effects of the present utility model, a preferred embodiment of the present utility model is cited below, and will be described in detail in conjunction with the accompanying drawings:

Fig. 1 is a partial three-dimensional exploded view of a known handstand machine.

Fig. 2 is a three-dimensional appearance view of an inversion machine according to a preferred embodiment of the present invention.

Fig. 3 is a partial three-dimensional exploded view of an inversion machine according to a preferred embodiment of the present invention.

Fig. 4 is an exploded sectional view of a pivot unit of a preferred embodiment of the present invention.

Fig. 5 is a combined sectional view of a pivot unit of a preferred embodiment of the present invention

Fig. 6 is an installation sectional view of a hinge unit of a preferred embodiment of the present invention, in which the rotating shaft of the reclining board is installed.

Fig. 7 is a cross-sectional view of an assembly where the rotating shaft of the reclining board is fixed to the pivot unit according to a preferred embodiment of the present invention.

Fig. 8 is a sectional view of the assembly of the pivot unit in the elastic limit state according to the second preferred embodiment of the present invention.

Fig. 9 is an assembly cross-sectional view of the pivot unit in the active state according to the second preferred embodiment of the present invention.

Detailed ways

Please refer to Figs. 2 to 5, which is a preferred embodiment of a safety mechanism for an inversion machine provided by the utility model, and the inversion machine 20 includes:

A support 30, referring to Fig. 2, is formed by overlapping two U-shaped bars 31 in this embodiment, and its two sides are overlapped with each other with two joint ends 32, and the two joint ends 32 are arranged on the two joints. At the top of the U-shaped bar 31, each joint end 32 has a pivot unit; the bracket 30 can also be formed in other structural ways, and the joint end 32 does not need to be arranged at the top position;

A lying board 40, referring to Fig. 2, has a main body 41 with a rotating shaft 42 on both sides, a connecting rod 43 between the rotating shaft 42 and the main body 41, and one end of the connecting rod 43 is fixed to the main body 41, the other end is fixed on the shaft 42, the end of the shaft 42 is provided with a sliding sleeve 421, the sliding sleeve 421 is provided with a slide groove 422, and the shaft 42 is pivoted on the pivot unit , so that the lying board 40 can rotate with the rotating shaft 42 as the axis. The bracket 30 and the lying board 40 are known structures, and the relative actions and structures will not be described in detail. The main structure of this case is that the pivot unit and the The structure between the shafts 42, wherein:

Please refer to Figures 3 to 5, the pivot unit includes a housing 50 and a push rod 60;

The housing 50 is disposed on the joint end 32 of the bracket 30, and has a housing space 51 inside. An inner wall 52 and an outer wall 53 are respectively assembled on both sides of the housing 50. The inner wall 52 and the The outer wall part 53 is a two-piece structure, combined with the two sides of the housing 50, a guide groove 54 is provided on the top end surface of the housing 50 and above the inner wall part 52, and the guide groove 54 communicates with the accommodating space 51, The guide groove 54 is formed with a stopper 541 on the top end surface of the housing 50. The rotating shaft 42 of the lying board 40 can be relatively slid in the guide groove 54, and the sliding groove 422 of the rotating shaft 42 can be relatively slid to set a limit. Located on both sides of the guide groove 54; the center of the outer wall 53 is provided with a perforation 531, the bottom of the perforation 531 is lower than the bottom of the guide groove 54, and the outer wall 53 is protruding below the perforation 531 There is a guide rail 532, the guide rail 532 is an arc;

The push rod 60 includes a shaft center portion 61, a ring stop portion 62, a buckle portion 63 and a slide groove 64. After the push rod 60 is pivotally installed in the accommodation space 51 of the housing 50, the The outer wall portion 53 is covered on the housing 50, so that the push rod 60 can slide between the inner wall portion 52 and the outer wall portion 53, that is, slide in the accommodating space 51; the shaft core portion 61 penetrates In the through hole 531, and can move back and forth along the axial direction of the through hole 531, the shaft core 61 will be displaced between a fixed position and a release position, and the center of the shaft core 61 is provided with a groove 611, the concave The aperture of the groove 611 will be roughly equivalent to the diameter of the rotating shaft 42, so that the outer circumference of the rotating shaft 42 can be covered by the inner circumferential wall of the groove 611, and the bottom of the groove 611 is lower than the guide groove 54, the axis portion 61 is provided with an inclined guide surface 612 on the end surface of the groove 611. In order to facilitate the user’s operation, the axis portion 61 is provided with a handle 613, and the handle 613 protrudes from the The outer side of the outer wall portion 53 is convenient for the user to operate and hold; the ring stop portion 62 is arranged on the outer peripheral side of the shaft center portion 61, and an axial thickness A of the ring stop portion 62 is consistent with the thickness A of the guide groove 54 The axial groove width B (that is, the distance between the blocking portion 54 and the inner wall portion 52) is equivalent, so that the ring blocking portion 62 can completely cover the top surface of the guide groove 54 when the push rod 60 is in a fixed position. The retaining portion 62 can move back and forth along with the displacement of the shaft center portion 61; the snap portion 63 is integrally formed on the outer ring side of the ring retaining portion 62, and the snap portion 63 has an elastic piece 631, and the elastic portion One end of 631 is fixed on the ring stopper 62, and the other free end is protruded with a protrusion 632. When the ring stopper 62 is in the accommodation space 51 of the housing 50, that is, at the release position, the snap button 63 It will be pressed down to make the elastic piece 631 generate an elastic force. When the ring stop part 62 moves to the side close to the inner wall part 52, that is, when it is fixed, the snap part 63 will be located at the position of the guide groove 54, and The elastic piece will generate an elastic force, so that the protrusion 632 can be elastically locked on the stop portion 541 of the guide groove 54, so that when the ring stop portion 62 blocks the guide groove 54 of the housing 50, the elastic buckle portion 63 can Keep the ring stopper 62 at a fixed position; the chute 64 is arranged at the intersection of the shaft center 61 and the ring stopper 62, and is formed in an arc shape relative to the guide rail 532, and the chute 64 is installed on the outer wall On the guide rail 532 of the part 53, after the push rod 60 is installed in the accommodating space 51, it can maintain a fixed angle and not rotate, and only the position between the inner wall part 52 and the outer wall part 53 can be moved back and forth.

Please refer to FIGS. 5 to 7. When the inversion machine 20 is to assemble the bracket 30 and the lying board 40, the user can hold the handle 613 and move the push rod 60 toward the outer wall 53 first. , move to the release position, so that the inside of the guide groove 54 is open for the insertion of the rotating shaft 42, that is, the shaft center portion 61 and the ring stop portion 62 of the push rod 60 are all located in the accommodating space 51 Close to the outer wall portion 53, at this time, the elastic buckle portion 63 will be resisted by the housing 50 and generate an elastic force; the rotating shaft 42 of the deck 40 can be inserted into the guide groove of the housing 50 from top to bottom 54, so that the chute 422 on the rotating shaft 42 can slide and be limited on the guide groove 54, when the bottom of the rotating shaft 42 is placed at the bottom of the guide groove 54, the user can hold the outer wall portion 53 of the handle 613, and push the axis portion 61 toward the inner wall portion 52, when the ring stop portion 62 is close to the guide groove 54, the ring stop portion 62 can block the guide groove 54, that is, At a fixed position, the rotating shaft 42 cannot move upwards. At the same time, the groove 611 of the shaft center portion 61 will be set around the outer side of the rotating shaft 42, so that the rotating shaft 42 can be looped in the groove 611. That is, the inner wall surface of the groove 611 can wrap around the outer circumference of the rotating shaft 42, so that the periphery of the rotating shaft 42 is limited by the groove 611, so that the rotating shaft 42 can be firmly fixed; because the axis The lowest position of the groove 611 of the part 61 is lower than the lowest position of the guide groove 54, so when the rotating shaft 42 is arranged in the guide groove 54, the rotating shaft 42 can be inserted into the groove 611, and the end surface of the groove 611 The guide surface 612 can also help guide the rotating shaft 42 into the groove 611; at this time, the buckle portion 63 will be located in the guide groove 54, and the elastic piece 631 and the protrusion 632 will not be affected by the shell. Restricted by the body 50, the elastic piece 631 will generate an elastic recovery force, so that the protrusion 632 will be lifted up and stuck against the side of the stop portion 541 of the guide groove 54, and the push rod 60 will form an elastic clip at a fixed position. In the fixed state, the ring retaining portion 62 cannot move due to the elastic locking of the elastic buckle portion 63, so that the shaft center portion 61 cannot be pulled toward the direction of the outer wall portion 53, and the push rod 60 cannot move when it is in a fixed position. Any movement can ensure that the rotating shaft 42 will not fall off.

When the bracket 30 is to be separated from the reclining board 40, press the snap part 63 toward the inside of the accommodating space 51 so that the projection 632 does not touch the stop part 541. At this time, the ring stop part 62 That is, it can move back and forth in the accommodating space 51 of the housing 50, so that the protrusion 632 is pushed into the inside of the housing 50, and then the push rod 60 can move back. When the push rod 60 moves to the release position, the ring After the blocking portion 62 completely leaves the position of the guide groove 54 , the rotating shaft 42 can move out of the guide groove 54 , so that the lying board 40 is separated from the bracket 30 .

Please refer to shown in Fig. 8 and shown in 9, it is the second preferred embodiment of the inverted machine provided by the utility model, and its main structure is identical with the previous embodiment, and the similarities will not be repeated, and continue to use the previous embodiment label, where:

The buckle part 63 is arranged on the top surface of the shaft center part 61 close to the handle 613, and has an elastic piece 631 and a protrusion 632. When the position of the ring stop part 62 moves to the position of the guide groove 54, that is, When the position is fixed, the elastic force of the elastic piece 631 will make the protrusion 632 push outward from the inside of the through hole 531, and make the protrusion 632 elastically snap against the side of the through hole 531 of the outer wall portion 53, so that the axis portion 61 Being elastically limited by the projection 632, it cannot move toward the direction of the outer wall 53, so that the ring stopper 62 can be fixed at the position of the guide groove 54 for shielding, and the groove 611 of the shaft center 61 can limit the rotating shaft 42 , so that the groove 611 can completely cover the outside of the rotating shaft 42, so that the rotating shaft 42 can be stably arranged in the shaft center portion 61 without shaking; to move the push rod 60 from the fixed position to the release position At this time, you can hold the handle of the shaft 61 with one hand, and press the elastic piece 631 simultaneously with the same hand, so that the elastic piece 631 and the protrusion 632 are retracted into the groove 611, and the shaft 61 That is, it can be moved back and forth so that the ring stopper 62 is away from the position of the guide groove 54. In this way, the user can operate with one hand, which increases the convenience of operation.

The safety mechanism of the inverted machine provided by the utility model can limit or release the rotating shaft through the reciprocating movement of the push rod in the accommodating space. Compared with the conventional operation button, it needs to be pulled and rotated twice There are several different action modes, which are relatively simple and convenient, and the buckle part can securely fix the ring stop part, so that when the rotating shaft is set in the guide groove, it will not fall off, which can ensure the structural safety of the handstand machine, and the lying The rotating shaft of the board is completely covered by the groove in the shaft center, which can increase its stability and will not shake when using the reclining board.

The above-mentioned embodiments are only to illustrate the technical features of the present utility model, but not to limit them. All structural designs equivalent to the present utility model should fall within the scope of the present utility model. The inverted machine provided by the utility model is a structure initiated in the technical field, and has progressive effects, and an application is filed according to law.

Claims (9)

1. A safety mechanism of an inverted machine, characterized in that it comprises: A bracket has at least one pivot unit; a reclining board has a body with a rotating shaft on both sides, at least one rotating shaft is pivotally arranged on the pivoting unit, and the reclining board rotates around the two rotating shafts, wherein: Each of the pivot units includes a housing and a push rod; The casing is arranged at the joint end of the bracket. The casing has an accommodating space inside, and an inner wall portion on one side is provided with a guide groove, and the corresponding rotating shaft of the reclining board can be relatively slid in the guide groove; The other side has an outer wall portion provided with a perforation; The push rod has an axial part, which is passed through the through hole, and can move back and forth along the axial direction of the through hole, and move between a fixed position and a release position; the central recess of the axial part is provided with a The groove is close to the guide groove when the shaft center portion is at the fixed position, and the groove can restrict each of the rotating shafts from moving out of the guide groove when each of the rotating shafts is slid in the guiding groove. 2. The safety mechanism of an inversion machine as claimed in claim 1, wherein the push rod further includes a spring buckle, and the snap buckle can have an elastic limiting effect on the push rod, when the push rod is in the When the position is fixed, the buckle portion can limit the position of the push rod, so that the push rod cannot move toward the release position. 3. The safety mechanism of an inversion machine as claimed in claim 2, characterized in that: the push rod further includes a ring stop, the snap part is arranged on the outer ring side of the ring stop, and the snap part has a Elastic piece, the free end of the elastic piece is a protrusion; the housing defines a stopper on the side boundary of the guide groove, when the ring stopper blocks the housing guide groove, the protrusion of the elastic buckle will be elastic Block on the stopper of the guide groove. 4. The safety mechanism of an inversion machine as claimed in claim 3, characterized in that: the push rod is provided with a chute between the shaft center part and the ring stop part, and a guide rail is protruded from the outer wall part; the guide rail passes through located in the chute. 5. The safety mechanism of an inversion machine as claimed in claim 2, characterized in that: the snap part is arranged on the shaft, and the snap part has a shrapnel, and the shrapnel is arranged on the shaft, which has A protruding block, when the push rod is at a fixed position, the protruding block will be elastically blocked on the side of the through hole. 6. The safety mechanism of an inversion machine as claimed in claim 1, wherein the end of the guide groove on the inner wall of the housing is higher than the bottom of the groove of the push rod, so that the rotating shaft is slidably arranged in the guide groove The time can be passed into the groove, and the bottom of the rotating shaft is higher than the bottom of the groove. 7 . The safety mechanism of an inversion machine according to claim 1 , wherein a guide surface is arranged around the shaft center portion on the end surface of the groove. 8 . 8. The safety mechanism of an inverted machine as claimed in claim 1, characterized in that: the rotating shaft is provided with a sliding sleeve, and the sliding sleeve ring is provided with a chute, and when the rotating shaft is slid in the guide groove, the sliding sleeve The chute is relatively limited on the guide groove. 9. The safety mechanism of an inversion machine as claimed in claim 1, characterized in that: the diameter of the rotating shaft of the lying board is approximately equivalent to the diameter of the groove of the push rod, so that the inner peripheral wall of the groove can be surrounded by a ring the outer circumference of the shaft.