CN205457352U - Adjustable chair - Google Patents

Abstract

The utility model discloses an adjustable chair, which comprises a main bracket, an auxiliary bracket, a guide rod, a back cushion, a slide rod, a cushion and a base, wherein, the main bracket and the auxiliary bracket are triangle pipes, the auxiliary bracket is provided with a connecting bracket which is sleeved in the main bracket, one end of the auxiliary bracket is provided with a groove which is connected with a triangle sleeve seat pointing to the direction of the cushion, and the other end of the main bracket is connected with the base; the back cushion is connected to the guide rod, and the guide rod is a triangular pipe body and can movably penetrate into the sleeve seat; the cushion is connected to the slide rod and supported, and one end of the slide rod is connected with a slide seat which can movably penetrate through the main support. Therefore, the back cushion is linked by the guide rod, the position of the back cushion can be changed in the direction restricted by the sleeve seat, the sliding seat links the cushion to move between the sleeve seat and the base on the main support, the relative position between the cushion and the back cushion can be adjusted, and the back cushion has better structural performance and assembly convenience.

Description

adjustable seat

technical field

The utility model relates to a seat, in particular to an adjustable seat which can change the relative position of a back cushion and a seat cushion according to the height of a human body.

Background technique

Generally, the relative positions of the back cushion and the seat cushion of the seat cannot be adjusted, and it is difficult to achieve the same level of comfort for passengers of different heights; especially for school-age children, the degree of height change is quite rapid and unpredictable, and what often happens is : After the parents specially ordered an expensive seat for them, they found that the child could no longer get a comfortable ride from the original seat due to the change in height. It would be a waste to discard it. However, if you continue to use it, it may affect your sitting posture and cause adverse effects on your body. For this reason, the inventor of the utility model has previously proposed to apply for the patent No. 201120105614.8 "adjustable seat device", and the relative position of the back cushion of the seat and the seat cushion is designed to be adjustable, so as to adapt to users of different heights so that their backs Both the seat and the seat are supported by the best position. Not only has it been repeatedly praised by consumers, but it has also been affirmed by awards in countless children's furniture exhibitions or competitions.

The only fly in the ointment in the technical content disclosed in the above-mentioned patent is that the support seat supporting the seat is a double-tube design, and there is a gap between the double-tube bodies, and the structure is slightly weak, so after the force is applied It is easy to distort and deform, especially when adjusting the position of the seat cushion. If the tube body of the bracket seat deforms, it will hinder the adjustment stroke; in addition, the support frame supporting the seat cushion must be connected to the bracket through a sleeve On the pipe body, there will also be disadvantages in the assembly and alignment, especially the overall number of components, the high production cost and the difficulty in stocking materials, and there is still room for improvement.

Utility model content

The technical problem to be solved by the utility model is to provide an adjustable seat that can change the relative position of the back cushion and the seat cushion according to the height of the human body.

In order to solve the above technical problems, the utility model provides an adjustable seat, including a main bracket, a guide rod, a back pad, a slide rod, a seat cushion, a base, a first fixing bolt, and a first Two fixing bolts, wherein,

The main bracket is a triangular tubular body with a plurality of positioning holes arranged in the axial direction on the surface, one end of which is connected to a triangular sleeve pointing towards the seat cushion, and the other end is connected to the base;

The back pad is connected to the guide rod. The guide rod is a triangular tube with a plurality of axially arranged fixing holes on the surface, which can be movably inserted into the sleeve, and the sleeve also has a first A lock hole corresponds to any fixing hole on the guide rod, and is locked with the first fixing bolt;

The seat cushion is supported by being connected to the slide bar. One end of the slide bar is connected with a slide seat that can be movably worn on the outside of the main bracket, and the slide seat also has a second lock hole corresponding to any positioning hole on the main support. And cooperate with the second fixing bolt to lock.

The utility model is an adjustable seat, comprising a main bracket, a secondary bracket, a guide rod, a back pad, a sliding rod, a seat cushion, a base, a first fixing bolt, and a second fixing bolt, in,

The main bracket and the sub-bracket are a triangular tubular body. The surface of the main bracket is provided with a plurality of positioning holes arranged in the axial direction. The sub-bracket has a connecting frame that is inserted into the main bracket, and one end has a cut groove. Connect one point to the triangular cover in the direction of the cushion, and the other end of the main bracket is connected to the base;

The back pad is connected to the guide rod. The guide rod is a triangular tube with a plurality of axially arranged fixing holes on the surface, which can be movably inserted into the sleeve, and the sleeve also has a first A lock hole corresponds to any fixing hole on the guide rod, and is locked with the first fixing bolt;

The seat cushion is supported by being connected to the slide bar. One end of the slide bar is connected with a slide seat that can be movably worn on the outside of the main bracket, and the slide seat also has a second lock hole corresponding to any positioning hole on the main support. And cooperate with the second fixing bolt to lock.

Further, wherein, the sleeve and the sub-frame are covered with a sheath.

Further, wherein, the connecting frame has a pair of alignment slots corresponding to the plurality of alignment holes on the main bracket.

Further, a sliding mechanism is connected between the sliding bar and the seat cushion, and the sliding mechanism includes a sliding frame, a guide seat and a set of elastic fixing bolts; wherein, the guiding seat is fixed on the sliding bar, and the sliding frame It is connected to the bottom of the cushion to move the cushion, and a pair of sliding rails are provided on the sliding frame to correspond to and contain both sides of the guide seat, so that the sliding frame can slide on the guide seat to change the relative position of the cushion. One side of the slide bar is provided with a plurality of bolt holes arranged in the axial direction, and a positioning plate is provided on the slide rail corresponding to each of the bolt holes, and the positioning plate has at least one perforation corresponding to the outside of any bolt hole, and on the The positioning plate is connected with a fixing frame, and the fixing frame has a guide hole corresponding to the perforation, and a fixing bolt is provided between the fixing frame and the positioning plate to pass through. Under normal conditions, one end of the fixing bolt extends into the through hole And enter any bolt hole to interfere with it.

Further, a spring is sheathed on the outside of the fixing bolt to support between the fixing frame and the fixing bolt, and the other end of the fixing bolt passes through the guide hole and is connected to a handle.

The beneficial effects that the utility model can achieve include:

1. The back cushion is linked by the guide rod, and its position can be changed in the direction constrained by the cover seat. The sliding seat linkage seat cushion moves between the cover seat and the base on the main bracket, so that the relative relationship between the back cushion and the seat cushion The position is adjustable, which is more suitable for people of different heights, or when the sitting posture changes.

2. The main bracket, auxiliary bracket, guide rod, and sleeve are all triangular tube bodies, which are more structurally stronger than the previous technology, and are more conducive to alignment, assembly and mass production; especially in the sub-bracket and sleeve. The joint part, through the slotted design of the auxiliary bracket, has a larger joint area with the sleeve of the triangular tube, and its structure will be more stable.

In addition, the outside of the socket and the auxiliary bracket is still covered by a sheath, which can avoid improper external force damage at the connection between the two, and has a corresponding hole on the sheath to match the second hole on the socket. A lock hole; and when assembling, the sliding seat can be sleeved on the outside of the main bracket first, and then the connecting frame can be inserted into the main bracket, so that the auxiliary bracket with the sleeve can be fixedly connected, which is more convenient.

In addition, a sliding mechanism is also connected between the sliding bar and the cushion, and the sliding mechanism includes a sliding frame, a guide seat and a set of elastic fixing bolts; wherein, the guiding seat is fixed on the sliding bar and the sliding frame It is connected to the bottom of the cushion to move the cushion, and a pair of slide rails are provided on the sliding frame to correspond to and contain both sides of the guide seat, so that the sliding frame can slide on the guide seat to change the relative position of the cushion level.

In addition, one side of the slide rod is provided with a plurality of bolt holes arranged axially, and a positioning plate is provided on the slide rail corresponding to these bolt holes, and the positioning plate has at least one perforation corresponding to the outside of any bolt hole, And a fixing frame is connected to the positioning plate, and a guide hole is arranged on the fixing frame to be positioned at the perforation, and a fixing bolt is provided between the fixing frame and the positioning plate to pass through. Under normal conditions, one end of the fixing bolt extends into the In the perforation and into any bolt hole to interfere with it, the position of the cushion is fixed.

Description of drawings

Fig. 1 is an exploded structural diagram of the utility model.

Fig. 2 is a combined appearance diagram of the utility model.

Figure 3 is a schematic diagram of the operation of the utility model.

Fig. 4 is a cross-sectional view viewed from the direction of Fig. 3A-A', showing the structure of the triangular tube body.

Fig. 5 is a cross-sectional view viewed from the direction of Fig. 3B-B', showing the interference positioning relationship between the second fixing bolt passing through the sliding seat and the main bracket.

Fig. 6 is a combined relationship diagram of the seat cushion and the movable mechanism of the present invention.

Fig. 7 is an operation diagram of the seat cushion of the present invention, showing the state that the seat cushion is fixed.

Fig. 8 is another operation diagram of the cushion of the present invention, showing the movable state of the cushion.

In the picture, 1 seat

10 back pad

11 Cushion

2 main bracket

20 sets of seats

200 First keyhole

21 Positioning hole

22 Sheath

220 Corresponding hole

3 guide rod

30 Fixing hole

4 slider

40 sliding seat

400 Second keyhole

41 Bolt hole

5 base

6 The first fixing bolt

7 Second fixing bolt

8 Auxiliary bracket

80 Grooving

81 Connecting frame

82 Alignment groove

9 Sliding mechanism

90 sliding frame

900 slide rail

901 Positioning plate

902 Perforation

91 guide seat

92 Fixing bolt

920 One end of fixed bolt

921 Spring

922 Other end of fixing bolt

923 handle

93 Fixing frame

930 Pilot hole.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

Please refer to Figures 1 to 5 at the same time, the seat 1 of the present invention includes a main bracket 2, a guide rod 3, a back pad 10, a sliding rod 4, a seat cushion 11, a base 5, and a first fixing bolt 6. And a second fixing bolt 7, wherein, one end of the main bracket 2 is connected with a hollow sleeve 20 pointing to the direction of the seat cushion 11, and the other end is connected with the base 5; the back cushion 10 is connected with the guide rod 3, the The guide rod 3 can be movably penetrated into the sleeve 20, and the sleeve 20 also has a first lock hole 200 to cooperate with the first fixing bolt 6 to lock; the seat cushion 11 is connected to the slide bar 4 to be supported, and the slide bar 4 One end is connected with a sliding seat 40 which can be movably worn on the outside of the main bracket 2 , and the sliding seat 40 also has a second locking hole 400 for locking with the second fixing bolt 7 . In this way, the back cushion 10 is linked by the guide rod 3, and can change its position in the direction constrained by the cover seat 20, and the sliding seat 40 is linked with the seat cushion 11 to move between the cover seat 20 and the base 5 on the main bracket 2. , through the variable position design of the back cushion 10 and seat cushion 11, as shown in Figure 3, it can be adjusted to the most comfortable state according to the height of the user.

There are also a plurality of positioning holes 21 arranged in the axial direction on the main bracket 2. When the sliding seat 40 changes position on the main bracket 2, the second locking hole 400 corresponds to any positioning hole 21, and passes through the The second fixing bolt 7 passes through the second lock hole 400 and any one of the positioning holes 21 to form an interference, and is used to fix the position of the seat cushion 11; in addition, a plurality of fixing holes arranged in the axial direction are arranged on the guide rod 3 30, when the guide rod 3 changes position in the socket 20, the first lock hole 200 corresponds to any one of the fixing holes 30, and the first fixing bolt 6 passes through the first lock hole 200 and any one of the fixing holes 30 Interference is formed in order to fix the position of the back pad 10. Preferably, the first and second fixing bolts 6 and 7 are elastic bolts. For the bolts, the design of the positioning part disclosed in the utility model patent application No. 096200524 can be referred to, which can The first lock hole 200 and the second lock hole 400 are respectively screwed in advance, and the bolt body can be elastically pulled to make it easy to find a fixed hole position to facilitate operation.

Preferably, the utility model further includes a sub-bracket 8, the sub-bracket 8 has a slot 80 fixedly connected with the aforementioned sleeve 20, and the sub-bracket 8 also has a connecting frame 81 that is inserted on the main bracket 2 Inside. In addition, there is a pair of positioning slots 82 on the connecting frame 81 corresponding to the plurality of positioning holes 21 on the main bracket 2 , providing a space compatible with the plurality of positioning holes 21 , as shown in FIG. 5 . Next, the outside of the sleeve 20 and the sub-support 8 are still covered by a sheath 22 to avoid improper external force damage at the connection between the two, and a corresponding hole 220 is provided on the sheath 22 to be located on the sleeve. The first lock hole 200 on the seat 20; when assembling, the sliding seat 40 can be set outside the main support 2 first, and then the connecting frame 80 can be inserted in the main support 2, so that the sliding seat 20 can be fixedly connected. Sub-bracket 8 and more convenient.

Among the above, the main bracket 2, the auxiliary bracket 8, the guide rod 3, and the sleeve 20 are all triangular tube bodies, which are more structural than the double-tube bracket disclosed in the utility modeler’s prior application for patent No. 100205211. Moreover, it is more conducive to alignment, assembly and mass production; especially at the joint part between the sub-support 8 and the sleeve 20, the notch 80 of the sub-support 8 and the sleeve 20 of the triangular tube have a larger joint area, and its structure will more stable.

As shown in Figure 6, a sliding mechanism 9 is still connected between the sliding bar 4 and the seat cushion 11, and the sliding mechanism includes a sliding frame 90, a guide seat 91 and a group of elastic fixing bolts 92; wherein, the guide seat 91 is fixed on the sliding bar 4 and does not move. The sliding frame 90 is connected to the bottom of the cushion 11 to move the cushion 11. A pair of sliding rails 900 are arranged on the sliding frame 90 to correspond to and contain the two sides of the guide seat 91, so that The sliding frame 90 can slide on the guide seat 91 to change the relative position of the seat cushion 11; in addition, a plurality of axially arranged bolt holes 41 are arranged on one side of the slide bar 4, and the slide rails on the corresponding side of these bolt holes 41 900 has a positioning plate 901, and the positioning plate 901 has at least one perforation 902 corresponding to the outside of any bolt hole 41, and a fixing frame 93 is connected to the positioning plate 901, and the fixing frame 93 has a guide hole 930 pair It is located in the through hole 902, and a fixing bolt 92 is provided to penetrate between the fixing frame 93 and the positioning plate 901. Normally, one end 920 of the fixing bolt 92 extends into the through hole 902 and enters into any bolt hole 41 to interfere with it. As shown in Figure 7.

In addition to the above, a spring 921 is set on the outside of the fixing bolt 92 to support between the fixing frame 93 and the fixing bolt 92, and the other end 922 of the fixing bolt 92 passes through the guide hole 930 and is connected to a handle 923. By pulling the handle 923, the spring 921 can be compressed to accumulate the recovery elastic force, and at the same time, the interference of the fixed bolt 92 on the bolt hole 41 can be removed. As shown in FIG. Change the position on the rod 4; after the position of the seat cushion 11 is determined, as long as the pull of the handle 923 is released, the spring 921 will guide the fixing bolt 92 into the bolt hole 41 again through the elastic force of the recovery shape, so that the seat cushion 11 can be positioned, as shown in FIG. Figure 7.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (6)

1. An adjustable seat is characterized in that it includes a main support, a guide rod, a back pad, a slide bar, a seat cushion, a base, a first fixed bolt and a second fixed bolt, wherein , The main bracket is a triangular tubular body with a plurality of positioning holes arranged in the axial direction on the surface, one end of which is connected to a triangular sleeve pointing towards the seat cushion, and the other end is connected to the base; The back pad is connected to the guide rod. The guide rod is a triangular tube with a plurality of axially arranged fixing holes on the surface, which can be movably inserted into the sleeve, and the sleeve also has a first A lock hole corresponds to any fixing hole on the guide rod, and is locked with the first fixing bolt; The seat cushion is supported by being connected to the slide bar. One end of the slide bar is connected with a slide seat that can be movably worn on the outside of the main bracket, and the slide seat also has a second lock hole corresponding to any positioning hole on the main support. And cooperate with the second fixing bolt to lock. 2. An adjustable seat is characterized in that it comprises a main bracket, a secondary bracket, a guide rod, a back pad, a slide bar, a cushion, a base, a first fixed bolt, and a second fixed bolt, wherein, The main bracket and the sub-bracket are a triangular tubular body. The surface of the main bracket is provided with a plurality of positioning holes arranged in the axial direction. The sub-bracket has a connecting frame that is inserted into the main bracket, and one end has a cut groove. Connect one point to the triangular cover in the direction of the cushion, and the other end of the main bracket is connected to the base; The back pad is connected to the guide rod. The guide rod is a triangular tube with a plurality of axially arranged fixing holes on the surface, which can be movably inserted into the sleeve, and the sleeve also has a first A lock hole corresponds to any fixing hole on the guide rod, and is locked with the first fixing bolt; The seat cushion is supported by being connected to the slide bar. One end of the slide bar is connected with a slide seat that can be movably worn on the outside of the main bracket, and the slide seat also has a second lock hole corresponding to any positioning hole on the main support. And cooperate with the second fixing bolt to lock. 3 . The adjustable seat according to claim 2 , wherein, the sleeve and the sub-frame are covered with a sheath. 4 . 4. The adjustable seat according to claim 2, wherein, the connecting frame has a pair of alignment slots corresponding to the plurality of alignment holes on the main bracket. 5. The adjustable seat according to any one of claims 1 to 4, wherein a sliding mechanism is connected between the slide bar and the cushion, and the sliding mechanism includes a sliding frame, a guide seat and a set of Elastic fixing bolt; wherein, the guide seat is fixed on the slide rod, and the slide frame is connected to the bottom of the cushion to move the seat cushion, and a pair of slide rails are arranged on the slide frame to correspond to and contain both sides of the guide seat , so that the sliding frame can slide on the guide seat to change the relative position of the cushion. In addition, a plurality of axially arranged bolt holes are arranged on one side of the slide bar, and there is a sliding rail on the corresponding side of each of the bolt holes. The positioning plate has at least one perforation corresponding to the outside of any bolt hole, and a fixed frame is connected to the positioning plate, and a guide hole is arranged on the fixed frame to be located in the perforation, and between the fixed frame and the positioning plate A fixing bolt is provided between them. Normally, one end of the fixing bolt extends into the through hole and enters into any bolt hole to interfere with it. 6. The adjustable seat as claimed in claim 5, wherein a spring is sheathed on the outside of the fixing bolt to hold between the fixing frame and the fixing bolt, and the other end of the fixing bolt passes through In the guide hole and connected to a handle.