CN2915179Y

CN2915179Y - Chair backrest structure of gymnastic apparatus

Info

Publication number: CN2915179Y
Application number: CN 200620113002
Authority: CN
Inventors: 洪庆霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-21
Filing date: 2006-04-21
Publication date: 2007-06-27
Anticipated expiration: 2016-04-21

Abstract

The utility model discloses a chair back structure for fitness equipment, which introduces a improvement contrapose the existing chair back of fitness equipment which has a fix dimension, the width and angle of back and seat can not be adjusted according to specific users. The structure is characterized in that the chair back is consists of a first back and a second back which are spacing deployed, thereby a double back scheme is formed to cooperate with the first and the second back. Comparing with the prior art, the utility model gives a practical adjustable chair back for the fitness equipment to be applied to different user according to their stature.

Description

The back structure of exercise and fitness equipment

Technical field

The utility model relates to a kind of back structure of exercise and fitness equipment, is meant a kind of two innovation chair back kenel designs that lean against portion that possess arranged spaced especially.

Background technology

The quite a lot of sample of visible on the market at present exercise and fitness equipment structure kenel, if human posture's otherness is classified during according to its operation, probably be divided into stand-type, sitting posture, type such as horizontal, and the utility model desire at improvement, be at the exercise and fitness equipment of sitting posture type wherein, the design that it is more traditional, the usefulness of one simple and easy cushion for user's buttocks seating only is set, find in the experience of supervention exhibition then that this simple cushion structure is not enough to provide the user the comparatively comfortable property taken; In view of this, capable field technique personnel develop a kind of exercise and fitness equipment cushion structure that has additional the chair back, existing kenel as shown in Figure 1, the chair back 02 of this exercise and fitness equipment 01 is as the chair back of chair tool structure, probably be a plate face kenel, for the usefulness of user's leaning on back; The back structure kenel of the existing exercise and fitness equipment of this kind finds to exist following problems in actual use experience:

Because the chair back 02 structure of above-mentioned existing exercise and fitness equipment 01 is single breasting face kenel, constitute its width and the face of leaning on angle is the state that typing can't be adjusted, so be difficult to be applicable to the user of different statures really, cause the not good problem of applicability.

So, at the existing problem of above-mentioned existing structure, how to develop a kind of innovation structure that has more desirable practicality, be to use the ardent hope of consumer institute, also be that person skilled must be made great efforts target and the direction that research and development break through.

The utility model content

At the problems referred to above, the utility model main purpose is to provide a kind of back structure of exercise and fitness equipment, the chair back at existing exercise and fitness equipment is single breasting face kenel, constitute its width and lean on the face angle and be the state that typing can't be adjusted, be difficult to be applicable to the user of different statures, exist the not good problem of applicability to be improved breakthrough.

For achieving the above object, the back structure technical scheme of the utility model exercise and fitness equipment is: the described chair back is mounted on the chair cushion back side top of exercise and fitness equipment, this chair back includes chair back body and winding frame, wherein this winding frame bottom tool one group connecting part is positioned the chair cushion predetermined position of exercise and fitness equipment in order to winding, and the top of winding frame then has the bolster portion for chair back body winding location; This chair back body comprises that being at least the first of arranged spaced leans against portion and second and lean against portion.

Utilize this chair back body to include to be at least the first of arranged spaced to lean against portion and second and lean against portion, cooperate again this first, second lean against that group is provided with the innovation unique design of adjusting structure between the bolster portion of portion and winding frame, make the utility model against existing technologies, can allow the chair back of exercise and fitness equipment reach the practical improvement that to adjust with suitable different stature users.

As a kind of improvement, another purpose of the utility model is to lean against by this first, second that group is provided with spring support member between the bolster portion of portion and winding frame.Utilize the configuration of these elastic inserts and obtain multidirectional elastic buffer and movable effect, submissive degree, comfortableness when allowing the user lean against all can significantly promote.

Description of drawings

Fig. 1 is the stereogram of existing exercise and fitness equipment structure.

Fig. 2 is the combination stereogram of the utility model exercise and fitness equipment preferred embodiment.

Fig. 3 is the combination stereogram that the chair back of the present utility model is adjusted structure.

Fig. 4 is the exploded stereogram that the chair back of the present utility model is adjusted structure.

Fig. 5 is that the chair back of the present utility model is adjusted structure positioning states floor map.

Fig. 6 is that the chair back of the present utility model is adjusted structure release conditions floor map.

Fig. 7 is that the chair back two of the present utility model leans against the floor map that portion can adjust spacing.

Fig. 8 is the combination stereogram that the chair back of the present utility model has additional spring support member.

Fig. 9 is the exploded stereogram of spring support member shown in Figure 8.

Figure 10 is the local assembled sectional view of spring support member shown in Figure 8.

Figure 11 is another enforcement illustration of exercise and fitness equipment kenel of the present utility model.

Figure 12 is the another enforcement illustration of exercise and fitness equipment kenel of the present utility model.

Figure 13 is that exercise and fitness equipment kenel of the present utility model one is implemented illustration again.

The specific embodiment

As Fig. 2, shown in Figure 3, the back structure preferred embodiment of the utility model exercise and fitness equipment, these embodiment only for the usefulness of explanation, are not subjected to the restriction of this structure in patent application.Described chair back A is mounted on chair cushion 10 back side top of exercise and fitness equipment B1, and the exercise and fitness equipment B1 of present embodiment is a pedal body building vehicle; This chair back A includes chair back body 20 and winding frame 30, wherein, the bottom of this winding frame 30 has a group connecting part 31 and is positioned chair cushion 10 predetermined positions of exercise and fitness equipment B1 in order to winding, and the top of winding frame 30 then has the bolster portion 32 for chair back body 20 windings location; Improvement of the present utility model mainly is: this chair back body 20 comprises that being at least the first of left and right arranged spaced leans against portion 21 and second and lean against portion 22, and then constitutes a kind of two innovation structure kenels that lean against portion that have.

Wherein, this first, second lean against that group is provided with the adjustment structure between the bolster portion 32 of

portion

21,22 and winding frame 30, in order to regulate and control this first, second lean against the spacing of

portion

21,22; The adjustment structure of present embodiment comprises: (as shown in Figure 3, Figure 4)

One cunning with profile of tooth locating slot 41 is established and is held 40, is mounted on the bolster portion 32 of chair back A winding frame 30, and this profile of tooth locating slot 41 has several interval draw-in grooves 42 of establishing end 40 predetermined glide directions settings along sliding;

One guide sliding base 50, be mounted on first, second and lean against

portion

21,22, this guide sliding base 50 tools one chute 51 just can be established end for aforementioned cunning and go into and be slidably state for 40 groups, and these guide sliding base 50 reservations hytes are provided with the positioning piece group and establish portion 52, and this keeper group is established establishing to being mutually vertical with the slide guide direction of the chute 51 of guide sliding base 50 of portion 52;

Positioning piece 60, the keeper group that is mounted on guide sliding base 50 is established portion 52, comprise a manipulation end 61 and a fastening end 62, wherein this manipulation end 61 can protrudingly be exposed a side of

guide sliding base

50,62 of this fastening ends extend to the sliding profile of tooth locating slot 41 of establishing end 40, and are provided with a bayonet lock 63 in order in the draw-in groove 42 that is sticked in phase contraposition with it;

One elastic reset spare 70 is mounted on the opposite position of keeper 60, with so that the state that bayonet lock 63 normalities of this keeper 62 move towards the direction that is sticked in draw-in groove 42.

The use operational scenario of above-mentioned adjustment structure is as follows:

As shown in Figure 5, owing to be subjected to shoring of elastic reset spare 70 under these keeper 60 normalities, the bayonet lock 63 that impels this fastening end 62 is for snapping in the state of draw-in groove 42, with this will constitute this cunning and establish hold 40 be stuck and the positioning states that can't slide because the direction that can move of this keeper 60 is mutually vertically with the sliding end 40 of establishing this moment.

As shown in Figure 6, desire to make sliding establishing between end 40 and the guide sliding base 50 to be in the time of to adjust state, the user only must be exerted pressure by the manipulation end 61 of this keeper 60, can impel the bayonet lock 63 of this fastening end 62 to break away from draw-in groove 42, oppress elastic reset spare 70 simultaneously and accumulate elastic restoring force, can discharge the sliding end 40 of establishing this moment, constitute this cunning and establish the state that end 40 is slidably adjusted.

As shown in Figure 7, first, second of chair back A of the present utility model lean against

portion

21,22 utilize above-mentioned adjustment structure operation and can be left and right relatively the state transferred of slippage, the wide cut that can adjust chair back A with this is required to adapt to the different users.

Wherein, this chair back body 20 is positioned at first, second and leans against portion's 21,22 upper set and be provided with a headrest 90, uses for user's head to lean on.

Again wherein, as Fig. 8, Fig. 9, shown in Figure 10, first, second 32 groups of bolster portion that lean against the 21B of portion, 22B and winding frame 30 of this chair back body 20B are provided with spring support member 80; The spring support member 80 of present embodiment comprises at least four

elastic inserts

81,82 that are cross-shaped configuration, the front end of described elastic insert 81 is combined in first, second back side that leans against the 21B of portion, 22B, and the rear end of elastic insert 81 then is combined in the bolster portion 32 of winding frame 30; With present embodiment, the elastic insert of this spring support member 80 be two relative elastic inserts 81 preceding be one group, two relative elastic inserts 82 after be one group, and the structure assembly kenel of separating mutually with plate 83 in again between these forward and backward two groups of elastic inserts, with the design of this spring support member 80, utilize the configuration of its elastic insert 81 and make this first, second lean against the 21B of portion, 22B and obtain multidirectional elastic buffer and movable effect.

First, second chair back A structure that leans against

portion

21,22 of the utility model tool can be applicable to multiple exercise and fitness equipment B1, and exercise and fitness equipment B1 as shown in Figure 2 is a pedal body building vehicle; Perhaps exercise and fitness equipment B2 as shown in figure 11 is a sliding ship fitness equipment; Or exercise and fitness equipment B3 as shown in figure 12 is a gravitational training machine; Or exercise and fitness equipment B4 as shown in figure 13 is the pedal body building vehicle of another pattern.

The beneficial effects of the utility model are as follows:

1, the utility model is mainly that this chair back body includes and is at least the first of arranged spaced and leans against portion 21 and second and lean against

portion

22,32 groups of bolster portion that lean against portion and winding frame 30 again in conjunction with this first, second are provided with the innovation unique design of adjusting structure, make the utility model against existing technologies, can allow the chair back of exercise and fitness equipment reach the flexibility that to adjust width, advance with user, reach the better practical improvement of applicability applicable to different statures.

2, another purpose of the utility model, be utilize this first, second lean against

portion

21,22 and winding frame 30 32 groups of bolster portion be provided with another technical characterstic of spring support member 80, configuration by elastic insert 81 obtains multidirectional elastic buffer and movable effect, and submissive degree, comfortableness when allowing the user lean against all can significantly promote.

The foregoing description is described to be in order to specify the utility model, to describe though see through specific term in the literary composition, can not limit claim of the present utility model with this; The personnel that are familiar with this technical field can change and revise it after understand spirit of the present utility model and principle and reach equivalent purpose, and these changes and modification all should be covered by the claim scope and define in the category.

Claims

1, a kind of back structure of exercise and fitness equipment, the described chair back is mounted on the chair cushion back side top of exercise and fitness equipment, this chair back includes chair back body and winding frame, wherein this winding frame bottom tool one group connecting part is positioned the chair cushion predetermined position of exercise and fitness equipment in order to winding, and the top of winding frame then has can be for the bolster portion of chair back body winding location; It is characterized in that:

This chair back body comprises that being at least the first of arranged spaced leans against portion and second and lean against portion.

2, according to the back structure of the described exercise and fitness equipment of claim 1, it is characterized in that: this first, second lean against that group is provided with the adjustment structure between the bolster portion of portion and winding frame, in order to regulate and control this first, second lean against the spacing of portion.

3, according to the back structure of the described exercise and fitness equipment of claim 2, it is characterized in that: this adjustment structure comprises:

One cunning with profile of tooth locating slot is established end, is mounted on the bolster portion of chair back winding frame, and this profile of tooth locating slot has several interval draw-in grooves of establishing the predetermined glide direction setting of end along sliding;

One guide sliding base, be mounted on first, second and lean against portion, this guide sliding base tool one chute just can for aforementioned cunning establish end organize into and be slidably state, and this guide sliding base reservations hyte is provided with the positioning piece group and establishes portion, this keeper group is established establishing to being mutually vertical with the slide guide direction of the chute of guide sliding base of portion;

Positioning piece, the keeper group that is mounted on guide sliding base is established portion, comprises a manipulation end and a fastening end, and wherein this manipulation end can protrudingly be exposed guide sliding base one side, this fastening end then extends to the sliding profile of tooth locating slot of establishing end, and be provided with a bayonet lock can be in order in the draw-in groove that is sticked in phase contraposition with it;

One elastic reset spare is mounted on the opposite position of keeper, with so that the state that the bayonet lock normality of this keeper moves towards the direction that is sticked in draw-in groove.

4, according to the back structure of the described exercise and fitness equipment of claim 1, it is characterized in that: this first, second lean against that group is provided with spring support member between the bolster portion of portion and winding frame.

5, according to the back structure of the described exercise and fitness equipment of claim 4, it is characterized in that: this spring support member comprises at least four elastic inserts that are cross-shaped configuration, and the front end of elastic insert is combined in the bolster portion that the back side of the chair back, rear end then are combined in the winding frame.

6, according to the back structure of the described exercise and fitness equipment of claim 1, it is characterized in that: being positioned at first, second and leaning against portion's upper set and be provided with a headrest of this chair back body.