CN219438629U - Chair and armrest wire control device thereof - Google Patents

Abstract

The utility model provides a chair and a handrail wire control device thereof, which comprises a sliding handle and a wire control, wherein the sliding handle and the wire control are arranged on a handrail frame, the sliding handle is in sliding connection with the handrail frame, one end of the wire control is movably connected with the handrail frame, the other end of the wire control is movably connected with the sliding handle, the end part of a control wire is buckled on the wire control, a sleeve is sleeved outside the control wire, the end part of the sleeve is limited on the handrail frame, and the sliding handle swings through the sliding belt wire control so as to pull the control wire. In this scheme, slip handle and line control all are relative simple small and exquisite spare part, adopt slip handle to stimulate the swing of line control spare and then stimulate the control line, the action is reliable, and is laborsaving, and cooperation simple structure is reasonable, and the manufacturing of being convenient for is low in manufacturing cost.

Description

Chair and armrest wire control device thereof

Technical Field

The utility model belongs to the technical field of household furniture, and particularly relates to a chair and a handrail drive-by-wire device thereof.

Background

With the continuous provision of living standard, consumers continuously pursue the comfort level of the seat, so that the existing seat with the backrest capable of being adjusted in a forward-backward tilting manner is provided, and the seat with the seat cushion capable of being adjusted up and down is also provided, and an adjusting control device of the seat is generally arranged on the backrest or the seat bottom.

For this purpose, patent document publication No. CN206182766U discloses a handrail drive-by-wire device, which includes a groove provided on a handrail, a drive-by-wire plug-in unit matched with the groove, and a wrench controller; the wrench controller is covered on the online control plug-in unit, so that the integrity and the attractiveness are ensured; an elastic buckle and a threading hole are arranged in the groove; the wire control plug-in is provided with a clamping groove and a threading hole which are matched with the elastic buckle, and the clamping groove and the threading hole form a matched structure; the wrench controller is rotatably arranged on the wire control plug-in, a user can control the wrench controller to realize the functions of controlling the backrest and the cushion according to the needs, and a control wire is connected. The control lines may be connected to the backrest or the seat cushion.

However, in the above structure, the mutual matching structure of the armrest frame, the wire control plug-in unit and the wrench controller is complex, the precision requirement is high, the manufacturing cost is high, the positioning structure is easy to damage, and the rotation locking is impossible.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a chair and a handrail drive-by-wire device thereof, which have simple and reasonable matching structure and low manufacturing cost.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a handrail drive-by-wire device, includes slip handle and the line control piece of installing on the handrail frame, slip handle and handrail frame sliding connection, the one end and the handrail frame swing joint of line control piece, the other end and the slip handle swing joint of line control piece, the tip buckle of control line is on the line control piece, the control line overcoat is equipped with the sleeve pipe, sheathed tube pipe tip is spacing on the handrail frame, thereby the slip handle is through the swing of slip drive line control piece pulling control line.

Preferably, the sliding handle and the wire control are mounted on a wire control housing, and the wire control housing is mounted in a groove of the armrest frame.

Preferably, the wire control shell is provided with a first sliding groove for sliding one end of the wire control and a second sliding groove for sliding the sliding handle, one end of the wire control is embedded in the first sliding groove and can move, the other end of the wire control is hinged with the sliding handle, and the wire control shell is provided with a connecting seat for installing and positioning the end part of the sleeve.

Preferably, an opening is formed in a side wall of the wire control housing, and the opening extends from the connection seat to the wire control, so that a groove in the connection seat for installing the end part of the sleeve and a clamping groove in the wire control for installing the end part of the control wire can be exposed.

Preferably, the sliding handle comprises a sliding plate part, a handle part and a connecting part, wherein the sliding plate part is in sliding fit with the second sliding groove, the handle part is integrally formed or fixedly connected to the outer side of the sliding plate part, the connecting part is hinged or movably connected with the other end of the wire control, and the connecting part is integrally formed or fixedly connected with the sliding plate part; the two sides of the sliding plate part are provided with elastic ejection balls, and correspondingly, a plurality of gear grooves for positioning the sliding handle at least two different gears are respectively arranged on the two side walls of the second sliding groove of the linear control shell.

Preferably, one end of the wire control extends to two sides to form a first pin part, the first pin part is clamped into the first sliding groove and moves in the first sliding groove, the other end of the wire control extends to two sides to form a second pin part, and the second pin part is clamped into a hinge groove arranged on the connecting part on the inner side of the sliding handle and rotates in the hinge groove; the clamping groove for installing the end part of the control wire is positioned in the middle of the wire control.

Preferably, one end of the wire control extends to two sides to form a first pin part, the wire control is hinged with the armrest frame or the wire control shell through the first pin part, a kidney-shaped hole is formed in the other end of the wire control, a pin hole is formed in the connecting part of the sliding handle, and the wire control and the sliding handle are movably connected through a pin shaft penetrating through the kidney-shaped hole and the pin hole.

Preferably, one side of the sliding handle is provided with a gear piece, at least two gear grooves are formed on the gear piece, correspondingly, a gear protrusion is formed on the sliding handle, and when the gear protrusion is matched with one of the gear grooves for positioning, gear positioning of the sliding handle is realized; at least one of the gear projection or the gear member is elastically deformable.

Preferably, when the control wire is in a tensioning state, an acute angle is formed between the axis connecting wire at two ends of the wire control and the pulling force direction of the control wire to the wire control; and a guide groove or a guide column for setting the trend of the control line is also arranged.

A chair comprising an armrest drive-by-wire apparatus as described above.

By adopting the technical scheme, the sliding handle and the wire control are relatively simple and small parts, and the sliding handle is adopted to pull the wire control to swing so as to pull the control wire, so that the device has the advantages of reliable action, labor saving, simple and reasonable matching structure, convenience in processing and manufacturing and low manufacturing cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not limit the application.

Fig. 1 is a schematic view of the structure of the handrail of embodiment 1 of the present utility model.

Fig. 2 is a schematic structural diagram (first gear) of a handrail drive-by-wire device according to embodiment 1 of the present utility model.

Fig. 3 is a schematic structural diagram (second gear) of the armrest wire control device in embodiment 1 of the present utility model.

Fig. 4 is a perspective view of the armrest wire control device of embodiment 1 of the present utility model.

Fig. 5 is a schematic diagram showing the cooperation structure of the sliding handle and the wire control according to embodiment 1 of the present utility model.

Fig. 6 is a front view (first gear) of the armrest wire control device of embodiment 1 of the present utility model.

Fig. 7 is a side view (first gear) of the armrest wire control device of embodiment 1 of the present utility model.

Fig. 8 is a front view (second gear) of the armrest wire control device of embodiment 1 of the present utility model.

Fig. 9 is a side view (second gear) of the armrest wire control device of embodiment 1 of the present utility model.

Fig. 10 is a schematic view of the structure of the handrail of embodiment 2 of the present utility model.

Fig. 11 is a schematic diagram (first gear) illustrating the operation of the armrest wire control device in embodiment 2 of the present utility model.

Fig. 12 is a schematic diagram of the operation of the armrest wire control device (second gear) in embodiment 2 of the present utility model.

Fig. 13 is a schematic diagram of a mating structure of a handrail drive-by-wire device according to embodiment 2 of the present utility model.

Fig. 14 is a schematic structural diagram of a line control according to embodiment 2 of the present utility model.

Fig. 15 is a schematic view showing the structure of a sliding handle according to embodiment 2 of the present utility model.

Wherein, 1, the armrest frame; 2. a sliding handle; 3. a drive-by-wire housing; 4. a wire control; 5. a control line; 6. a sleeve; 7. a gear piece.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise, and furthermore it is to be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Example 1

The handrail wire control device as shown in fig. 1 to 3 comprises a sliding handle 2 and a wire control 4, wherein the sliding handle 2 and the handrail frame 1 are installed on the handrail frame 1 in a sliding mode, one end of the wire control 4 is movably connected with the handrail frame 1, the other end of the wire control 4 is movably connected with the sliding handle 2, the end portion of a control wire 5 is buckled on the wire control 4, a sleeve 6 is sleeved outside the control wire 5, the end portion 61 of the sleeve 6 is limited on the handrail frame 1, and the sliding handle 2 swings through the sliding belt wire control 4 so as to pull the control wire 5.

Thus, the sliding handle 2 and the wire control 4 are relatively simple and small parts, the sliding handle is adopted to pull the wire control to swing so as to pull the control wire, the action is reliable, the labor is saved, the matching structure is simple and reasonable, the processing and the manufacturing are convenient, and the manufacturing cost is low.

In this embodiment, the sliding handle 2 and the wire control 4 are preferably mounted on a wire control housing 3, and the wire control housing 3 is mounted in a groove of the armrest frame 1. Thus, the action parts of the armrest wire control device form a relatively independent assembly, and the armrest wire control device is convenient to manufacture and assemble.

In this embodiment, preferably, the wire control housing 3 is provided with a first chute 31 for sliding one end of the wire control 4 and a second chute 34 for sliding the sliding handle 2, one end of the wire control 4 is embedded in the first chute 31 and can move, the other end of the wire control 4 is hinged to the sliding handle 2, and the wire control housing 3 is provided with a connecting seat 33 for installing and positioning the pipe end 61 of the sleeve 6. Therefore, the whole armrest wire control device comprises the action part, the control wire and the like to form an independent assembly, and the manufacture and the assembly are convenient.

In this embodiment, as shown in fig. 4 and 7, an opening 36 is provided on a side wall of the wire control housing 3, and the opening 36 extends from the connection seat 33 to the wire control 4, so that a groove on the connection seat 33 for installing the end 61 of the sleeve 6 and a slot 42 on the wire control 4 for installing the end of the control wire 5 can be exposed. Therefore, when the control wire 5 is installed, the control wire 5 is clamped into the clamping groove 42 on the wire control 4 along the opening 36, and then the pipe end 61 of the sleeve 6 is clamped into the groove of the connecting seat 33, so that the control wire 5 can be tightly installed on the wire control shell 3, and the manufacturing and the assembly are convenient.

In this embodiment, as shown in fig. 4 and 5, the sliding handle 2 includes a sliding plate portion 21, a handle portion 22 and a connecting portion 23, where the sliding plate portion 21 is slidably matched with the second sliding groove 34, the handle portion 22 is integrally formed or fixedly connected to the outer side of the sliding plate portion 21, the connecting portion 23 is hinged to the other end of the wire control 4, and the connecting portion 23 is integrally formed or fixedly connected to the sliding plate portion 21.

Further preferably, the elastically ejected balls 24 are provided on both sides of the slide plate portion 21, and accordingly, at least two shift positions slots 35 are provided on both side walls of the second slide slot 34 of the wire control housing 3, respectively, as shown in fig. 2, 6 and 7, when the balls 24 are in the shift positions slots 35 of the first shift position, the control wire 5 is in a released state; as shown in fig. 3, 8 and 9, the control wire 5 is in tension when the ball 24 is in the gear groove 35 of the second gear.

In this embodiment, as shown in fig. 5, one end of the wire control 4 extends to both sides to form a first pin portion 41, the first pin portion 41 is snapped into and moves in a first chute 31 on the wire control housing 3, and the other end of the wire control 4 extends to both sides to form a second pin portion 43, and the second pin portion 43 is snapped into and rotates in a hinge groove provided on the inner side connecting portion 23 of the sliding handle 2. The card slot 42 is located in the middle of the wire control 4. Therefore, the component has reasonable structure, is simple and labor-saving, and is reliable in connection.

In this embodiment, preferably, as shown in fig. 2 and fig. 3, when the wire control 4 is in the first gear state, an approximately right angle included angle is formed between the axis connecting line of the first pin portion 41 and the second pin portion 42 of the wire control 4 and the pulling force direction of the control wire 5 on the wire control 4; when the wire control 4 is in the second gear state, an acute angle is formed between the axis connecting line of the first pin part 41 and the second pin part 42 of the wire control 4 and the pulling force direction of the control wire 5 on the wire control 4. Therefore, the device is more reasonable in stress, longer in service life and more reliable in gear positioning.

In other embodiments, the first chute 31 and the second chute 34 may be disposed in a groove on the armrest frame 1, and may be formed by co-operation of the armrest frame 1 and the wire control housing 3.

In this embodiment, as shown in fig. 2 and fig. 3, a guiding groove 32 or a guiding column for setting the trend of the control line 5 is preferably provided in the wire control housing 3, so that the acting force direction of the control line 5 to the wire control 4 can be better controlled, so that the stress structure of the wire control device is more reasonable, and the service life is longer.

Example 2

The handrail drive-by-wire device as shown in fig. 10, 11 and 12 comprises a sliding handle 2 and a wire control 4 which are arranged on a handrail frame 1, wherein the sliding handle 2 is in sliding connection with the handrail frame 1, one end of the wire control 4 is movably connected with the handrail frame 1, the other end of the wire control 4 is movably connected with the sliding handle 2, the end part of a control wire 5 is buckled on the wire control 4, a sleeve 6 is sleeved outside the control wire 5, the end part 61 of the sleeve 6 is limited on the handrail frame 1, and the sliding handle 2 swings through the sliding belt wire control 4 so as to pull the control wire 5.

The only difference from example 1 is as follows:

1. the present embodiment does not provide a separate drive-by-wire housing, and a guide structure for sliding the sliding handle 2 in a straight line is formed by a column or a plate in the armrest frame 1. This can reduce manufacturing costs.

2. In this embodiment, as shown in fig. 14, one end of the wire control 4 extends to two sides to form a first pin portion 41, the wire control 4 is hinged to the armrest frame 1 through the first pin portion 41, a kidney-shaped hole 44 is formed at the other end of the wire control 4, a pin hole 26 is formed in the connecting portion 23 of the sliding handle 2, and the wire control 4 and the sliding handle 2 are movably connected through a pin shaft passing through the kidney-shaped hole 44 and the two pin holes 26. Therefore, the component has reasonable structure, is simple and labor-saving, and is reliable in connection.

3. In this embodiment, as shown in fig. 11 to 13, a gear member 7 is disposed on one side of the sliding handle 2, at least two gear grooves are formed on the gear member 7, and correspondingly, a gear protrusion 25 is formed on the sliding handle 2, and when the gear protrusion 25 is positioned in cooperation with one of the gear grooves, gear positioning of the sliding handle 2 is achieved. It is further preferred that at least one of the shift projections 25 or the shift grooves is elastically deformable. In this embodiment, as shown in fig. 15, a hollow is preferably provided in the gear step protrusion 25 so that the gear step protrusion 25 has a suitable elastic deformation capability.

Otherwise, the same as in example 1 was used.

Example 3

A chair employing the armrest wire control device as shown in embodiment 1 or embodiment 2.

In the description of the present specification, the descriptions of the terms "one embodiment," "some embodiments," "one implementation," "a particular implementation," "other implementations," "examples," "particular examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment, implementation, or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described above may be combined in any suitable manner in any one or more embodiments, implementations, or examples. The technical scheme disclosed by the utility model also comprises the technical scheme that any one or more specific features, structures, materials or characteristics are formed singly or in combination.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, variations, deletions of parts, additions of features, or re-combination of features may be made to the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model, all such simple modifications, equivalents, and adaptations of the embodiments as may be made by the principles of the utility model and without departing from the scope of the utility model.

Claims (10)

1. The utility model provides a handrail drive-by-wire device, its characterized in that, including installing slip handle and the line control piece on the handrail frame, slip handle and handrail frame sliding connection, the one end and the handrail frame swing joint of line control piece, the other end and the slip handle swing joint of line control piece, the tip buckle of control line is on the line control piece, the control line overcoat is equipped with the sleeve pipe, telescopic pipe end is spacing on the handrail frame, thereby the slip handle is through the swing of slip drive line control piece pulling control line.

2. The armrest wire control device of claim 1 wherein the sliding handle and wire control are mounted on a wire control housing that is mounted within a recess of the armrest frame.

3. The armrest wire control device according to claim 2, wherein a first chute for sliding one end of a wire control and a second chute for sliding a sliding handle are arranged on the wire control shell, one end of the wire control is embedded in the first chute and can move, the other end of the wire control is hinged with the sliding handle, and a connecting seat for installing and positioning the end of the sleeve is arranged on the wire control shell.

4. A handrail drive-by-wire apparatus as claimed in claim 2, wherein an opening is provided in a side wall of the drive-by-wire housing, the opening extending from the connection block to the wire control so as to expose a recess in the connection block for mounting the end of the sleeve and a slot in the wire control for mounting the end of the control wire.

5. The armrest wire control device according to claim 1, wherein the sliding handle comprises a sliding plate part, a handle part and a connecting part, the sliding plate part is in sliding fit with the second sliding groove, the handle part is integrally formed or fixedly connected to the outer side of the sliding plate part, the connecting part is hinged or movably connected with the other end of the wire control, and the connecting part is integrally formed or fixedly connected with the sliding plate part; the two sides of the sliding plate part are provided with elastic ejection balls, and correspondingly, a plurality of gear grooves for positioning the sliding handle at least two different gears are respectively arranged on the two side walls of the second sliding groove of the linear control shell.

6. The armrest wire control device according to claim 1, wherein one end of the wire control member protrudes to both sides to form a first pin portion, the first pin portion is caught in the first slide groove and moves therein, and the other end of the wire control member protrudes to both sides to form a second pin portion, and the second pin portion is caught in a hinge groove provided on an inner side connecting portion of the sliding handle and rotates therein; the clamping groove for installing the end part of the control wire is positioned in the middle of the wire control.

7. The armrest wire control device according to claim 1, wherein one end of the wire control extends to two sides to form a first pin portion, the wire control is hinged with the armrest frame or the wire control shell through the first pin portion, a kidney-shaped hole is formed in the other end of the wire control, a pin hole is formed in a connecting portion of the sliding handle, and the wire control and the sliding handle are movably connected through a pin shaft penetrating through the kidney-shaped hole and the pin hole.

8. The armrest wire control device according to claim 7, wherein a gear member is provided on one side of the sliding handle, at least two gear grooves are formed on the gear member, and correspondingly, a gear projection is formed on the sliding handle, and when the gear projection is positioned in cooperation with one of the gear grooves, gear positioning of the sliding handle is achieved; at least one of the gear projection or the gear member is elastically deformable.

9. The armrest wire control device of any one of claims 1 to 8, wherein when the control wire is in a tensioned state, the axis connecting lines at both ends of the wire control form an acute included angle with the pulling direction of the control wire to the wire control; and a guide groove or a guide column for setting the trend of the control line is also arranged.

10. A chair comprising a handrail drive-by-wire apparatus as claimed in any one of claims 1 to 9.