CN210978353U

CN210978353U - Elastic component

Info

Publication number: CN210978353U
Application number: CN201921260765.3U
Authority: CN
Inventors: 邓江
Original assignee: Shenzhen Jinjie Hardware Plastic Co ltd
Current assignee: Shenzhen Jinjie Hardware Plastic Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2020-07-10
Anticipated expiration: 2030-05-16

Abstract

The utility model relates to the technical field of machinery, a elastic component is provided, the configuration is between recovered exerciser's seat frame and seat bench, and elastic component includes axle and elastic component, wherein: the shaft part is matched on the seat frame, the elastic part is installed on the shaft part and comprises a connecting cap, another connecting cap, a spring and an elastic rod, the connecting cap is connected with the other connecting cap through the spring, the connecting cap accommodates a connector, the other connecting cap is provided with another connector, the connector and the other connector are of a symmetrical structure, one end of the elastic rod is connected with the connector, the other end of the elastic rod is connected with the other connector, the elastic rod is sleeved in the spring, the spring is also connected between the connector and the other connector, the technical problem of elastic connection between the seat frame and the seat stool is solved by the aid of the structure, and the effects of low manufacturing cost, good softness and high safety are achieved.

Description

Elastic component

Technical Field

The utility model relates to the technical field of machinery, indicate especially to provide an elastic component.

Background

With regard to "rehabilitation", there are certain people with disabilities, bedridden patients, and sub-health, which account for a large percentage of the general population of society. How to effectively enable the people to recover self-care or health needs not only medical care but also rehabilitation exercise. Currently, most patients lack exercise, muscle weakness or muscle atrophy after a major illness, and must be stimulated to recover function through appropriate passive exercise equipment. The most common is a rehabilitation vehicle shaped as a bicycle, and pedals of the rehabilitation vehicle can do circular motion by self to drive the lower limbs of a patient and stimulate the muscles of the legs of the patient. But the elastic connection of the frame and the seat of the existing rehabilitation vehicle generally adopts the connection of a single spring, and because of the rigidity characteristic of the spring: when the stress is too large, the steel wire is easy to break, so that potential safety hazards are caused; when the stress is too small, the movement range is limited due to the hardness of the patient, and the rehabilitation exercise of the patient is not facilitated.

Disclosure of Invention

In order to solve the above technical problem, an object of the present invention is to provide an elastic assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided a resilient assembly arranged between a seat frame and a stool of a rehabilitation and exercise apparatus, the resilient assembly comprising a shaft and a resilient member, wherein: the shaft part is matched on the seat frame, the elastic part is installed on the shaft part and comprises a connecting cap, another connecting cap, a spring and an elastic rod, the connecting cap is connected with the other connecting cap through the spring, the connecting cap accommodates the connector, the other connecting cap is provided with another connector, the connector and the other connector are of a symmetrical structure, one end of the elastic rod is connected with the connector, the other end of the elastic rod is connected with the other connector, the elastic rod is sleeved in the spring, and the spring is also connected between the connector and the other connector.

Preferably: the connecting cap has a base portion provided with a ring portion and a central hole, an upper step surface is formed from the periphery of the ring portion to the outer edge of the base portion, a cavity is formed in the ring portion, the cavity and the central hole are concentric circles, and the radius of the cavity is 1/2-2/3 of the radius of the base portion.

Preferably: the other connecting cap is of a symmetrical structure relative to the connecting cap and comprises another base part, the other base part downwards forms another ring part, the periphery of the other ring part to the other base part forms a lower step surface, and another cavity is formed in the other ring part.

Preferably: the upper end of the spring is sleeved on the periphery of the other ring part and welded on the lower step surface, and the lower end of the spring is sleeved on the ring part and welded on the upper step surface, so that the spring is stably fixed between the connecting cap and the other connecting cap.

Preferably: the connector is provided with an accommodating part, a tightening part and a threaded hole, and the elastic rod is arranged in the accommodating part and is stabilized through the tightening part; the other connector comprises another accommodating part, another tightening part and another through hole, and the other end of the elastic rod is arranged in the other accommodating part and fixed through the other tightening part.

Preferably: the shaft element comprises a shaft sleeve, a shaft collar, a middle shaft and a screw cap.

Preferably: the lower end of the shaft sleeve forms a shaft cap which is fixed on the seat frame through screws; the shaft collar is accommodated in the shaft sleeve and is provided with a through hole for accommodating the middle shaft to penetrate through.

Preferably: the middle shaft is provided with a stopping cap above, the lower end of the middle shaft is provided with a lower threaded part matched with the screw cap, a boss part is formed on the stopping cap, and an upper threaded part is formed on the boss part.

Preferably: the boss part is matched with the central hole, and the lower thread part is screwed with the thread hole of the connector, so that the shaft part and the elastic part are fixed into a whole.

Compared with the prior art, the utility model, its profitable effect is: the structure is simple, and the manufacture is easy; convenient use, good softness, safety and reliability.

Drawings

Fig. 1 is a schematic structural view of the rehabilitation and exercise machine of the embodiment.

FIG. 2 is a cross-sectional view of the elastic member of this embodiment.

Detailed Description

While the present invention may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated herein.

Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

The preferred embodiments of the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1 in combination with fig. 2, fig. 2 provides a resilient assembly 100, the resilient assembly 100 being disposed between a seat frame 101 and a stool 102 of the rehabilitation and exercise apparatus. The elastic assembly 100 includes a shaft 10 and an elastic member 20 combined on the shaft 10, wherein:

the shaft 10 comprises a shaft sleeve 11, a shaft collar 12, a middle shaft 13 and a screw cap 14, the lower end of the shaft sleeve 11 expands outwards to form a shaft cap 111, and the shaft cap 111 is matched on the seat frame 100 and is provided with a screw hole for fixing the shaft 10 on the seat frame 100; the collar 12 is accommodated in the sleeve 11 and has a through hole (not labeled) for accommodating the middle shaft 13; the upper part of the middle shaft 13 is provided with a stopping cap 132 with a diameter larger than that of the middle shaft 13, the lower end is provided with a lower threaded part 131 matched with the screw cap 14, a boss part 133 is formed on the stopping cap 132, and an upper threaded part 134 is formed on the boss part 133, wherein: the boss portion 133 is smaller than the diameter of the bottom bracket shell 12 but larger than the diameter of the upper threaded portion 134;

the elastic member 20 includes a connection cap 21 and another connection cap 22 disposed opposite to the connection cap 21, and a spring 23 connected between the connection cap 21 and the other connection cap 223, wherein: the connecting cap 21 has a base part (not labeled) and a central hole (not labeled) provided with the base part for accommodating the boss part 133, the base part is protruded with a ring part 211, the periphery of the ring part 211 to the outer edge of the base part is formed into an upper step surface (not labeled), a cavity (not labeled) is formed in the ring part 211, the cavity and the central hole are concentric circles, the radius of the cavity is 1/2-2/3 of the radius of the base part, and the lower end of the spring 23 is sleeved on the ring part 211 and welded on the upper step surface; the other connecting cap 22 is symmetrical with respect to the connecting cap 21 and includes another base portion (not labeled) and another ring portion 221 formed downward from the other base portion, a lower step surface (not labeled) is formed from the periphery of the other ring portion 221 to the other base portion, another cavity (not labeled) is formed in the other ring portion 221, and the upper end of the spring 23 is sleeved on the periphery of the other ring portion 221 and welded to the lower step surface, so that the spring 23 is firmly welded between the connecting cap 21 and the other connecting cap 22. In this example, the other connecting cap 22 has a shaft hole (not labeled) at the center concentric with the other cavity, and a plurality of screw connecting holes 224 penetrating the other base are provided in the other cavity at equal intervals around the shaft hole.

In this embodiment, the elastic member 20 further includes a connection head 212, another connection head 222, and an elastic rod 24 connected between the connection head 212 and the another connection head 222, wherein: the connector 212 is surrounded (located in the cavity) by the ring portion 211 and has a receiving portion (not labeled), a tightening portion 213 and a threaded hole (not labeled), the receiving portion is matched with the size of the elastic rod 24 with one end inserted, and when one end of the elastic rod 24 is placed in the receiving portion, the elastic rod is stabilized by the tightening portion 213; the other connector 222 and the connector 212 are in corresponding structures and are located in another cavity, and the other connector 222 and the base of the other connecting cap 22 are in an integral structure, the other connector 222 includes another receiving portion (not labeled), another contracting portion 223 and another through hole (not labeled) penetrating through the base (or another through connector 222), wherein: the other connector 222 has the same diameter as the connector 212, and when the other end of the elastic rod 24 is inserted into the other receiving portion, the elastic rod 24 is fixed by the tightening portion 223, so that the elastic rod 24 is not only sleeved in the first spring 23, but also connected between the connector 212 and the other connector 222, thereby not only enhancing the elastic torsion, but also improving the product safety.

In the present embodiment, the elastic rod 24 is made of plastic material, and has high toughness.

Claims

1. An elastic assembly disposed between a seat frame and a stool of a rehabilitation and exercise machine, the elastic assembly including a shaft member and an elastic member, characterized in that: the shaft part is matched on the seat frame, the elastic part is installed on the shaft part and comprises a connecting cap, another connecting cap, a spring and an elastic rod, the connecting cap is connected with the other connecting cap through the spring, the connecting cap accommodates the connector, the other connecting cap is provided with another connector, the connector and the other connector are of a symmetrical structure, one end of the elastic rod is connected with the connector, the other end of the elastic rod is connected with the other connector, the elastic rod is sleeved in the spring, and the spring is also connected between the connector and the other connector.

2. The elastomeric component of claim 1, wherein: the connecting cap has a base portion provided with a ring portion and a central hole, an upper step surface is formed from the periphery of the ring portion to the outer edge of the base portion, a cavity is formed in the ring portion, the cavity and the central hole are concentric circles, and the radius of the cavity is 1/2-2/3 of the radius of the base portion.

3. The elastomeric component of claim 2, wherein: the other connecting cap is of a symmetrical structure relative to the connecting cap and comprises another base part, the other base part downwards forms another ring part, the periphery of the other ring part to the other base part forms a lower step surface, and another cavity is formed in the other ring part.

4. The elastomeric component of claim 3, wherein: the upper end of the spring is sleeved on the periphery of the other ring part and welded on the lower step surface, and the lower end of the spring is sleeved on the ring part and welded on the upper step surface, so that the spring is stably fixed between the connecting cap and the other connecting cap.

5. The elastomeric component of claim 4, wherein: the connector is provided with an accommodating part, a tightening part and a threaded hole, and the elastic rod is arranged in the accommodating part and is stabilized through the tightening part; the other connector comprises another accommodating part, another tightening part and another through hole, and the other end of the elastic rod is arranged in the other accommodating part and fixed through the other tightening part.

6. The elastomeric component of claim 5, wherein: the shaft element comprises a shaft sleeve, a shaft collar, a middle shaft and a screw cap.

7. The elastomeric component of claim 6, wherein: the lower end of the shaft sleeve forms a shaft cap which is fixed on the seat frame through screws; the shaft collar is accommodated in the shaft sleeve and is provided with a through hole for accommodating the middle shaft to penetrate through.

8. The elastomeric component of claim 7, wherein: the middle shaft is provided with a stopping cap above, the lower end of the middle shaft is provided with a lower threaded part matched with the screw cap, a boss part is formed on the stopping cap, and an upper threaded part is formed on the boss part.

9. The elastomeric component of claim 8, wherein: the boss part is matched with the central hole, and the lower thread part is screwed with the thread hole of the connector, so that the shaft part and the elastic part are fixed into a whole.