CN218791423U

CN218791423U - Use back-and-forth movement supporting structure on sofa

Info

Publication number: CN218791423U
Application number: CN202223013053.6U
Authority: CN
Inventors: 请求不公布姓名; 邓永清
Original assignee: Foshan Zhilianjia Metal Products Co ltd
Current assignee: Foshan Zhilianjia Metal Products Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-07
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to a front and back moving bracket structure applied to a sofa, which comprises an upper connecting seat and a lower connecting seat with a containing groove, a vertical rod arranged between the upper connecting seat and the lower connecting seat, and a connecting shaft sleeved between the containing groove and the end part of the vertical rod; the connecting shaft is characterized in that a limiting shaft sleeve is further sleeved on the connecting shaft between the groove wall of the storage groove and the side surface of the vertical rod, rubber pads are respectively sleeved at two ends of the limiting shaft sleeve, and the end surfaces of the rubber pads at two ends of the limiting shaft sleeve are respectively in contact with the groove wall of the storage groove and the side surface of the vertical rod. The utility model discloses when the rubber mat takes place the frictional contact with the side of hiding the cell wall in groove and pole setting, do not produce harsh friction noise, it is more comfortable to let the user use to can bring quiet ease very well for the user and experience the sense. Meanwhile, the rubber pad can not cause abrasion to the groove wall of the containing groove and the side face of the vertical rod, the reduction of the integral stability and reliability of the front-back moving support structure is avoided, and the service life of the front-back moving support structure is prolonged.

Description

Use back-and-forth movement supporting structure on sofa

Technical Field

The utility model relates to a sofa accessory field, especially a use back-and-forth movement supporting structure on sofa.

Background

The Chinese patent document discloses a technical proposal of a front and back moving bracket applied to a sofa, the technical proposal is that the patent application number is 201621016670.3, the upper connecting seat and the lower connecting seat of the scheme are respectively provided with a plurality of vertical plates, each vertical plate is a metal plate, each vertical plate is respectively provided with a connecting hole through which the rotating shaft can pass, and each connecting hole is in transition fit with the rotating shaft. The friction force between the rotating shaft and each connecting hole can be improved, so that when the connecting rod is used, the rotating shaft is in friction contact with the connecting holes, the rocker cannot swing easily, and a backrest or an armrest mounted on the upper connecting seat can hover at each position conveniently. However, the existing fore-and-aft moving bracket has the defects in practical popularization and application:

firstly, because each riser is the metal sheet, the pivot need with the pore wall contact of a plurality of connecting holes, and for the transition cooperation. Like this at the rotation in-process, the pivot will take place the friction with a plurality of connecting holes to produce harsh friction noise, bring the discomfort for user's use, thereby can not bring fine quiet ease experience for the user and feel.

Secondly, the rotating shaft and the connecting hole are tightly connected together in a transition fit mode, so that the rocker cannot be easily swung. Although a good damping effect can be achieved, under long-term use, the rotating shaft or the connecting hole is easy to wear due to frequent frictional contact, so that the rotating shaft and the connecting hole cannot be tightly connected together, the backrest or the armrest cannot hover at each position within a stroke range, the damping effect is poor, the service life of the rotating shaft and the connecting hole is shortened, and the overall stability and reliability of the forward-backward moving support are reduced.

Therefore, in view of the above disadvantages and shortcomings of the forward and backward moving rack, it is necessary to improve the structure of the rack to better meet the needs of people and to adapt to the market development.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem and not enough, provide an use back-and-forth movement supporting structure on sofa, this back-and-forth movement supporting structure is through being equipped with the cushion respectively at spacing axle sleeve both ends to make the tip of two cushions respectively with hide the side of the cell wall in groove and pole setting and carry out frictional contact, have good damping effect, do not produce the friction noise of dazzling, use advantages such as more comfortable, stability and reliability height, long service life.

The technical scheme of the utility model is realized like this: a front-back moving support structure applied to a sofa comprises an upper connecting seat and a lower connecting seat with a containing groove, a vertical rod arranged between the upper connecting seat and the lower connecting seat, and a connecting shaft sleeved between the containing groove and the end part of the vertical rod; the vertical rod is characterized in that a limiting shaft sleeve is further sleeved on the connecting shaft between the groove wall of the storage groove and the side surface of the vertical rod, rubber pads are respectively sleeved at two ends of the limiting shaft sleeve, and the end surfaces of the rubber pads at two ends of the limiting shaft sleeve are respectively in contact with the groove wall of the storage groove and the side surface of the vertical rod.

Preferably, a sleeving part is arranged on the rubber pad, and the rubber pad is sleeved with the limiting shaft sleeve through the sleeving part.

Preferably, the two sides of the lower connecting seat are respectively and integrally extended outwards to form extending parts.

Preferably, the end part of the upright rod is provided with a sleeving hole, and the upright rod is sleeved on the connecting shaft through the sleeving hole.

The utility model has the advantages that: the utility model discloses a do not overlap at spacing axle sleeve both ends and be equipped with the cushion to the tip that makes two cushions carries out frictional contact with the side of hiding the cell wall in groove and pole setting respectively, like this in the use, enables the pole setting and can not swung easily, thereby can play damping effect very well. And when the rubber mat and the side of the groove wall of the storage groove and the side of the vertical rod are in frictional contact, the harsh frictional noise is not generated, so that the user can use the rubber mat more comfortably, and the user can feel quite quiet and comfortable. Meanwhile, when the rubber mat is in friction contact with the groove wall of the storage groove and the side face of the vertical rod, the rubber mat cannot abrade the groove wall of the storage groove and the side face of the vertical rod, the reduction of the overall stability and reliability of the front-back moving support structure is avoided, the service lives of the upper connecting seat, the lower connecting seat and the vertical rod are prolonged, and therefore the service life of the front-back moving support structure can be prolonged. Through the setting of spacing axle sleeve, can play spacing effect to two cushions, make two cushions can not remove at will to make two cushions contact with the cell wall of hiding the groove and the side of pole setting all the time, guarantee that back-and-forth movement supporting structure has damping effect very good at the swing in-process, thereby make back-and-forth movement supporting structure under long-term use, the back or the handrail of sofa also can hover on each position of journey within range.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the back-and-forth moving support structure of the present invention.

Fig. 2 is a schematic view of the split structure of the back-and-forth moving support structure of the present invention.

Fig. 3 is the utility model discloses well spacing axle sleeve and split structure schematic diagram of cushion.

Fig. 4 is one of the schematic views of the usage status of the present invention.

Fig. 5 is a second schematic view illustrating the usage state of the present invention.

Detailed Description

It should be noted that all the directional indicators (such as the top surface, the bottom surface, the left, the right, the front, and the back … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 and 2, the front-and-back moving support structure applied to a sofa of the present invention comprises an upper connecting seat 1 and a lower connecting seat 2 with a storage groove 10, a vertical rod 3 disposed between the upper connecting seat 1 and the lower connecting seat 2, and a connecting shaft 4 penetrating and sleeved between the ends of the storage groove 10 and the vertical rod 3; in order to realize the purpose of the present invention, a limiting shaft sleeve 5 is further sleeved on the connecting shaft 4 between the groove wall of the storage groove 10 and the side surface of the vertical rod 3, as shown in fig. 3, rubber pads 6 are respectively sleeved at two ends of the limiting shaft sleeve 5, and the end surfaces of the rubber pads 6 at two ends of the limiting shaft sleeve 5 are respectively in contact with the groove wall of the storage groove 10 and the side surface of the vertical rod 3.

The utility model discloses a be equipped with cushion 6 at 5 both ends of spacing axle sleeve respectively to make the tip of two cushion 6 carry out frictional contact with the cell wall of hiding groove 10 and the side of pole setting 3 respectively, like this in the use, enable pole setting 3 can not swung easily, thereby can play damping effect very well. And when the rubber mat 6 and the groove wall of the storage groove 10 and the side surface of the upright rod 3 are in friction contact, no harsh friction noise is generated, so that the user can use the rubber mat more comfortably, and the user can feel quite quiet and comfortable. Meanwhile, when the rubber mat 6 is in friction contact with the groove wall of the storage groove 10 and the side surface of the upright rod 3, the rubber mat 6 cannot cause abrasion to the groove wall of the storage groove 10 and the side surface of the upright rod 3, the reduction of the overall stability and reliability of the front-back moving support structure is avoided, the service lives of the upper connecting seat 1, the lower connecting seat 2 and the upright rod 3 are prolonged, and therefore the service life of the front-back moving support structure can be prolonged. Through the setting of spacing axle sleeve 5, can play spacing effect to two cushions 6, make two cushions 6 can not remove at will to make two cushions 6 contact with the cell wall of collection groove 10 and the side of pole setting 3 all the time, guarantee that back-and-forth movement supporting structure has damping effect very well at the swing in-process, thereby make back-and-forth movement supporting structure under long-term use, the back or the handrail of sofa also can hover on each position of journey within range.

As shown in fig. 3, a sleeving part 611 is provided on the rubber pad 6, and the rubber pad 6 is sleeved with the limiting shaft sleeve 5 through the sleeving part 611. Through the setting of suit portion 611, enable on the cushion 6 installs spacing axle sleeve 5 more firmly, the condition of pine taking off appears in difficult and spacing axle sleeve 5. And when assembling, the limiting shaft sleeve 5 and the two rubber pads 6 can be assembled into a whole, so that the positions of the rubber pads 6 do not need to be shifted and adjusted on the connecting shaft 4 in the assembling process, and the assembling is more convenient.

As shown in fig. 2, two sides of the lower connecting seat 2 are further integrally extended with extending portions 21. Through the setting of extension 21, can increase the area of contact of connecting seat 2 and sofa down to can improve the fastness and the stability that connecting seat 2 and sofa are connected down. In practical application, as shown in fig. 2, the extension portion 21 is provided with a lower mounting hole 211. Thus, when the sofa is installed and used, the lower connecting seat 2 can be screwed into the base of the sofa after passing through the lower mounting hole 211 through screws, so that the lower connecting seat is fixed with the base of the sofa.

As shown in fig. 2, a sleeving hole 31 is provided at an end of the vertical rod 3, and the vertical rod 3 is sleeved on the connecting shaft 4 through the sleeving hole 31. Through making pole setting 3 and connecting axle 4 adopt the mode of suit to be connected together, like this in the manufacturing process, just need not be connected pole setting 3 and connecting axle 4 together through the welded mode, saved welding process, reduce the energy consumption, save the cost, and saved the process of polishing the butt welding point, it is more convenient to manufacture, and production efficiency is higher.

As shown in fig. 2, the upper connecting base 1 is integrally formed by a top plate 11 and two upper side plates 12, the two upper side plates 12 are integrally formed by bending two sides of the top plate 11 downwards, and the top plate 11 and the two upper side plates 12 jointly enclose and form a storage groove 10 of the upper connecting base 1. Through such structural design, can make the collection groove 10 of upper connecting seat 1 out of making more easily when manufacturing, and make the whole of upper connecting seat 1 have very good structural strength.

As shown in fig. 1 and 2, the two upper side plates 12 are each provided with an upper connection hole 121, and an end of the connection shaft 4 of the upper connection base 1 is inserted into the upper connection hole 121.

In practical application, when the forward and backward moving support structure is installed on a sofa, the upper connecting seat 1 is connected with a backrest or an armrest of the sofa, so that the position of the backrest or the armrest can be adjusted.

As shown in fig. 2, the top plate 11 is provided with an upper mounting hole 111. Thus, when the sofa is installed and used, the upper connecting seat 1 can be screwed into the backrest or the armrest of the sofa after passing through the upper mounting hole 111 through screws, so that the upper connecting seat 1 and the backrest or the armrest of the sofa can be fixed together.

As shown in fig. 2, the lower connecting seat 2 is composed of a bottom plate 22 and two lower side plates 23, the two lower side plates 23 are arranged side by side on the top surface of the bottom plate 22, the two lower side plates 23 and the bottom plate 22 together enclose the storage groove 10 of the lower connecting seat 2, and the left and right ends of the bottom plate 22 respectively protrude out of the two lower side plates 23 and form an extension part 21. Through such structural design, during production and manufacture, the hiding groove 10 of the lower connecting seat 2 can be manufactured more easily, and the whole lower connecting seat 2 has very good structural strength.

As shown in fig. 1 and 2, the two lower side plates 23 are provided with lower connection holes 231, and the ends of the connection shafts 4 of the lower connection holder 2 are inserted into the lower connection holes 231.

In practical application, only one upright rod 3 can be used, and then limiting structures (not shown) are respectively arranged on the upper connecting seat 1 and the lower connecting seat 2. In order to be in the back and forth swing in-process at pole setting 3, inject the fore-and-aft position of pole setting 3 through injecing the structure to restriction pole setting 3 is too forward swing or too backward swing, and then can inject the fore-and-aft position of installing at the back or the handrail of last connecting seat 1.

As shown in fig. 4 and 5, the present invention can also use two vertical rods 3, and the specific structure is as follows: the two upright rods 3 are both arc-shaped rod structures, the two upright rods 3 are arranged in parallel front and back, and two ends of each upright rod 3 are rotatably arranged on the containing grooves 10 of the upper connecting seat 1 and the lower connecting seat 2 through connecting shafts 4; a positioning protrusion 32 protruding toward the upright 3 located at the rear side is provided in the middle of the upright 3 located at the front side. Thus, when the upper connecting base 1 is pushed forward in use, the positioning projection 32 contacts with the upper end of the upright 3 located at the rear side, thereby restricting the upper connecting base 1 from moving forward too much. When the upper connecting base 1 is pushed backward, the positioning protrusion 32 contacts the lower end of the upright rod 3 positioned at the rear side, thereby limiting the upper connecting base 1 from moving too backward.

Claims

1. A front-back moving support structure applied to a sofa comprises an upper connecting seat (1) and a lower connecting seat (2) with a storage groove (10), a vertical rod (3) arranged between the upper connecting seat (1) and the lower connecting seat (2), and a connecting shaft (4) sleeved between the end parts of the storage groove (10) and the vertical rod (3); the method is characterized in that: hide still to be equipped with spacing axle sleeve (5) on connecting axle (4) between the cell wall of accomodating groove (10) and the side of pole setting (3), be equipped with cushion (6) at spacing axle sleeve (5) both ends respectively, the terminal surface of the cushion (6) at these spacing axle sleeve (5) both ends is the setting of contacting with the side of hiding cell wall and pole setting (3) of accomodating groove (10) respectively.

2. The front-and-back movable support structure for sofa as claimed in claim 1, wherein: the rubber mat (6) is provided with a sleeving part (611), and the rubber mat (6) is sleeved with the limiting shaft sleeve (5) through the sleeving part (611).

3. The front-and-back movable support structure for sofa as claimed in claim 1, wherein: the two sides of the lower connecting seat (2) are respectively and integrally extended outwards to form extension parts (21).

4. The front-and-back movable support structure for sofa as claimed in claim 1, wherein: the end part of the upright rod (3) is provided with a sleeving hole (31), and the upright rod (3) is sleeved on the connecting shaft (4) through the sleeving hole (31).