Lifting, positioning and locking mechanism of physical exercise device

Abstract

The lifting, positioning and locking mechanism of the physical exercise device comprises a fixed column and a movable sleeve, clamping grooves are evenly formed in the outer side face of the fixed column in the direction of the center line of the fixed column, the movable sleeve is movably connected to the fixed column in a sleeved mode, and a first handrail and a second handrail are oppositely and fixedly installed on the outer side of the movable sleeve. A locking assembly is fixedly installed at the lower end of the movable sleeve and comprises a fixed seat, a threaded sleeve is fixedly installed at the upper end of the fixed seat, and the threaded sleeve and the fixed seat are sequentially arranged at the end of the movable sleeve from top to bottom; the threaded sleeve, the fixed base and the movable sleeve are integrally machined, the outer side of the threaded sleeve is connected with an adjusting sleeve through threads, and the lower end of the outer portion of the adjusting sleeve is connected with a limiting sleeve through a bearing. According to the scheme, the operation is simple, the use is convenient, the locking fulcrums are uniformly distributed, the locking acting force is improved, and the use stability of the sports equipment is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to sports equipment technical field, concretely is a sports exercise equipment lifting positioning locking mechanism. BACKGROUND

[0002] With the development of society, sports are more and more popular, whether it is sports competition and training equipment, or mass fitness equipment, in the use process, it is required to be convenient to operate, safe and reliable. At present, the lifting and locking mechanism of the known sports equipment adopts the positioning of the clamping device, and the locking of the hand wheel locking device, and the lifting and locking of the equipment need to be completed in two steps, which is complicated to operate, time-consuming and laborious, and brings many inconveniences to the user.

[0003] The existing public number: CN219251561U a sports exercise equipment lifting positioning locking mechanism, it is through rotating sleeve on the surface of first threaded rod, the height of sports exercise equipment can be adjusted, then using second threaded rod drives the clamping plate to engage first threaded rod, can limit first threaded rod, convenient operation, it has practicality. However, the locking structure, the locking fulcrum is not uniform enough, the locking force is small, and the limiting adjustment needs to be operated individually, and the operation is relatively complicated, time-consuming and laborious. In view of this, we propose a sports exercise equipment lifting positioning locking mechanism. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sports exercise equipment lifting positioning locking mechanism to solve the problems of the existing sports equipment locking structure in the background art, uneven distribution of locking fulcrum, small locking force, and individual operation of limiting adjustment, relatively complicated operation, time-consuming and laborious.

[0005] To achieve the above object, the utility model provides the following technical scheme: a sports exercise equipment lifting positioning locking mechanism, including fixed column and movable sleeve, the fixed column outside surface is evenly provided with clamping groove along the fixed column center line direction, the movable sleeve is sleeved on the fixed column, the movable sleeve outside is opposite and is fixedly installed with support rod one and support rod two, the support rod one and support rod two are respectively provided with horizontal massage wheel and longitudinal massage wheel, the movable sleeve lower end part is fixedly installed with locking assembly.

[0006] The locking assembly comprises a fixing seat fixedly arranged below the movable sleeve, a threaded sleeve fixedly installed at the upper end of the fixing seat, the threaded sleeve and the fixing seat being sequentially arranged at the end of the movable sleeve from top to bottom, and the threaded sleeve, the fixing seat and the movable sleeve being integrally processed, the threaded sleeve being threadedly connected with an adjusting sleeve outside, the adjusting sleeve being connected with a limiting sleeve through a bearing at the lower and outer end thereof, the fixing seat being annularly and internally provided with a countersunk groove, a plug-in rod being movably inserted into the countersunk groove, a limiting rod being fixedly installed at the outer end of the adjacent plug-in rod, and a limiting block being fixedly installed at the inner end of the plug-in rod and movably inserted into the clamping groove.

[0007] Preferably, the fixing seat, the threaded sleeve, the adjusting sleeve and the limiting sleeve are coaxial.

[0008] Preferably, the limiting rod is annularly arranged outside the fixing seat, and the limiting rod is attached to the limiting sleeve.

[0009] Preferably, the plug-in rod is sleeved with a reset spring, and the reset spring is arranged inside the countersunk groove.

[0010] Preferably, the reset spring is fixedly welded at the corresponding end of the limiting rod and the fixing seat.

[0011] Preferably, the inner end of the adjacent limiting block is provided with a necking, and the limiting block is arranged inside the fixing seat.

[0012] Preferably, the center lines of the plug-in rod and the fixing seat are perpendicular to each other, and the inner side surface of the fixing seat and the outer side surface of the fixing column are provided with a spacing.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The sports exercise device lifting positioning and locking mechanism can be operated simply and conveniently, the locking fulcrum is uniformly distributed, the locking force is improved, the use stability of the sports equipment is effectively ensured, and the sports exercise device lifting positioning and locking mechanism has the advantages that the sports exercise device lifting positioning and locking mechanism can be operated simply and conveniently, the locking fulcrum is uniformly distributed, the locking force is improved, the use stability of the sports equipment is effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a half-pierced structural schematic view of the utility model;

[0017] Figure 3The utility model discloses a Figure 2 The utility model discloses a

[0018] Figure 4 The utility model discloses a Figure 2 The utility model discloses a

[0019] Figure: 1, fixed column, 11, clamping groove, 2, movable sleeve, 3, support rod no. 1, 31, transverse massage wheel, 4, support rod no. 2, 41, longitudinal massage wheel, 5, locking assembly, 50, threaded sleeve, 51, fixed seat, 52, limit sleeve, 53, adjusting sleeve, 54, countersunk groove, 55, plug-in rod, 56, return spring, 57, limit rod, 58, limit block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range protected by the utility model.

[0021] Embodiment: please refer to Figures 1-4 The utility model provides a kind of technical scheme: a sports exercise device lifting positioning locking mechanism, mainly aiming at the locking structure of existing sports equipment, locking fulcrum is not enough uniform, locking force is small, and single operation is needed for limiting adjustment, it is relatively complicated to operate, time-consuming and labor-consuming problem is improved.It is as follows: including fixed column 1 and movable sleeve 2, wherein, fixed column 1 is fixed to bottom surface by expansion bolt.In the fixed column 1 outer side along the center line direction of fixed column 1 evenly set up clamping groove 11, clamping groove 11 is set multiple, and the section of the clamping groove 11 is the "U" shape with opening to outside side.Movable sleeve 2 is sleeved on fixed column 1, and movable sleeve 2 outer side is fixedly installed with support rod no. 1 3 and support rod no. 2 4 in opposition, support rod no. 1 3 and support rod no. 2 4 are provided with transverse massage wheel 31 and longitudinal massage wheel 41 respectively, and transverse massage wheel 31 and longitudinal massage wheel 41 can be used for the massage of user back.Movable sleeve 2 lower end portion is fixedly installed with locking assembly 5;

[0022] Please refer to Figure 1 , Figure 2 Figure 3 Among them, locking assembly 5 includes fixed seat 51, threaded sleeve 50 is fixedly installed on the upper end portion of fixed seat 51, threaded sleeve 50 and fixed seat 51 are sequentially set in the end portion of movable sleeve 2 from top to bottom, and the threaded sleeve 50, fixed seat 51 and movable sleeve 2 are integrally processed.

[0023] ​Further, the adjusting sleeve 53 is connected with the threaded sleeve 50 through threads, the outer lower end of the adjusting sleeve 53 is connected with the limiting sleeve 52 through a bearing, and the fixed seat 51, the threaded sleeve 50, the adjusting sleeve 53 and the limiting sleeve 52 are all concentric. After rotating the adjusting sleeve 53, the adjusting sleeve 53 can drive the limiting sleeve 52 to move upwards or downwards along the axis direction of the threaded sleeve 50.

[0024] Please refer to Figure 3 The inner side of the fixed seat 51 is annularly provided with a countersunk groove 54, the outer diameter of the outer side of the countersunk groove 54 is larger than the inner side, the plug-in rod 55 is movably inserted into the countersunk groove 54, the center lines of the plug-in rod 55 and the fixed seat 51 are perpendicular to each other, and the inner side of the fixed seat 51 and the outer side of the fixed column 1 are provided with a spacing.

[0025] Further, the limiting rod 57 is fixedly installed at the outer end of the adjacent plug-in rod 55, the limiting rod 57 is annularly arranged on the outer side of the fixed seat 51, and the limiting rod 57 is attached to the limiting sleeve 52. The inner end of the plug-in rod 55 is fixedly installed with the limiting block 58, and the limiting block 58 is movably inserted into the clamping groove 11. The inner end of the adjacent limiting block 58 is annularly arranged, and the limiting block 58 is arranged on the inner side of the fixed seat 51.

[0026] In this embodiment, the plug-in rod 55 is sleeved with the reset spring 56, and the reset spring 56 is arranged in the countersunk groove 54. The corresponding end of the reset spring 56 is fixedly welded with the limiting rod 57 and the fixed seat 51. In the initial state, under the elastic action of the reset spring 56, the spacing between the limiting rod 57 and the fixed seat 51 is maximum, and the limiting block 58 is separated from the clamping groove 11. When the limiting rod 57 is moved inward under the external force, the reset spring 56 is compressed, which can drive the plug-in rod 55 to move inward, so that the limiting block 58 is inserted into the inner side of the clamping groove 11.

[0027] Working principle: in the initial state, under the elastic action of the reset spring 56, the spacing between the limiting rod 57 and the fixed seat 51 is maximum, and the limiting block 58 is separated from the clamping groove 11, which can provide an upward and downward movement force for the movable sleeve 2, so that the height of the sports equipment can be adjusted. After rotating the adjusting sleeve 53, the adjusting sleeve 53 can drive the limiting sleeve 52 to move downwards through the bearing connection between the adjusting sleeve 53 and the limiting sleeve 52. Through the attachment between the limiting sleeve 52 and the limiting rod 57, the limiting sleeve 52 moves downwards, so that the adjacent limiting rod 57 moves from the outside to the inside, the reset spring 56 is compressed, which can drive the plug-in rod 55 to move inward, so that the limiting block 58 is inserted into the inner side of the clamping groove 11, and the height of the adjusted equipment can be locked.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lifting, positioning, and locking mechanism for a sports exercise device, comprising a fixed column (1) and a movable sleeve (2), characterized in that: The outer side of the fixed column (1) is evenly provided with snap-fit ​​grooves (11) along the center line of the fixed column (1). The movable sleeve (2) is movably sleeved on the fixed column (1). The outer side of the movable sleeve (2) is fixedly installed with a first arm (3) and a second arm (4). The first arm (3) and the second arm (4) are respectively provided with a horizontal massage wheel (31) and a vertical massage wheel (41). The lower end of the movable sleeve (2) is fixedly installed with a locking component (5). The locking assembly (5) includes a fixed base (51), on which a threaded sleeve (50) is fixedly installed. The threaded sleeve (50) and the fixed base (51) are arranged sequentially from top to bottom at the end of the movable sleeve (2), and the threaded sleeve (50), the fixed base (51) and the movable sleeve (2) are integrally machined. The threaded sleeve (50) is sleeved on the outside of the movable sleeve (2), and an adjusting sleeve (53) is threadedly connected to the outside of the threaded sleeve (50). The lower end of the adjusting sleeve (53) is connected to the limiting sleeve (52) through a bearing. The inner side of the fixed seat (51) is provided with a countersunk groove (54) in an annular shape. A plug rod (55) is movably inserted into the countersunk groove (54). A limiting rod (57) is fixedly installed at the outer end of the adjacent plug rod (55). A limiting block (58) is fixedly installed at the inner end of the plug rod (55). The limiting block (58) is movably inserted into the snap-fit ​​groove (11).

2. The lifting, positioning, and locking mechanism for a sports exercise device according to claim 1, characterized in that: The fixed base (51), threaded sleeve (50), adjusting sleeve (53) and limiting sleeve (52) are all collinear.

3. The lifting, positioning, and locking mechanism for a sports exercise device according to claim 1, characterized in that: The limiting rod (57) is arranged in a ring on the outside of the fixed base (51), and the limiting rod (57) and the limiting sleeve (52) are in contact.

4. The lifting, positioning, and locking mechanism for a sports exercise device according to claim 1, characterized in that: A return spring (56) is sleeved on the plug rod (55), and the return spring (56) is located inside the countersunk groove (54).

5. The lifting, positioning, and locking mechanism for a sports exercise device according to claim 4, characterized in that: The return spring (56) is fixedly welded to the corresponding end, the limiting rod (57), and the fixing seat (51).

6. The lifting, positioning, and locking mechanism for a sports exercise device according to claim 1, characterized in that: The inner ends of the adjacent limiting blocks (58) are narrowed, and the limiting blocks (58) are located inside the fixing base (51).

7. The lifting, positioning, and locking mechanism for a sports exercise device according to claim 1, characterized in that: The center lines of the plug rod (55) and the fixing seat (51) are perpendicular to each other, and there is a gap between the inner side of the fixing seat (51) and the outer side of the fixing post (1).

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