Spring type seat framework for supporting seat

Abstract

The utility model provides a spring type seat framework used for supporting a seat, which relates to the technical field of seats, and comprises a framework, the inner side wall of the framework is fixedly connected with a first connecting rod, the inner side wall of the framework is provided with two clamping grooves, the inner side walls of the two clamping grooves are jointly connected with a second connecting rod in a sliding mode, and the second connecting rod is connected with the first connecting rod in a sliding mode. The outer surface of the second connecting rod and the outer surface of the first connecting rod are jointly connected with a seat spring in a clamped mode. According to the spring type seat framework used for supporting the seat, a screw rod pulls a second connecting rod to move, the second connecting rod is clamped in different positions of a clamping groove, the tension of a seat spring is increased, a trapezoidal block is pulled to move leftwards, the second connecting rod moves upwards along the trapezoidal block, and the second connecting rod moves to the right end of the clamping groove under the tension of the seat spring; the tension of the seat spring is reduced, the position of the second connecting rod can be adjusted according to different users, the seat spring is more suitable for the users, and the comfort of the users is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spring type seat framework for supporting seat belongs to seat technical field.

[0002] With the progress of science and technology, people's demand for life quality is improved, and the comfort of the seat used in life is also continuously improved. At present, most vehicle seats or part of high-end chairs use spring type seat framework to support the seat. It can provide stable support force and ensure the seat to keep stable. Due to the elastic property of the spring element, the seat framework can absorb and disperse the weight and pressure from the passenger, and provide more comfortable riding experience.

[0003] At present, the two connecting rods connected with the spring in the seat are fixed in position during use, and the spring cannot be adjusted. However, the weight and pressure of the person using the seat are different, and the spring cannot be adjusted according to different people to adjust the tension of the spring, which causes the comfort of the seat to decrease. Therefore, we provide a spring type seat framework for supporting seat to solve the above problems. SUMMARY

[0004] To solve the above problems, the utility model provides a spring type seat framework for supporting seat to solve the above problems, and the specific technical scheme is:

[0005] A spring type seat framework for supporting seat, comprising a framework, a first connecting rod fixedly connected to the inner side wall of the framework, two clamping grooves formed in the inner side wall of the framework, a second connecting rod slidably connected to the inner side walls of the two clamping grooves, a seat spring jointly clamped to the outer surfaces of the first connecting rod and the second connecting rod, two bearings fixedly connected to the inner side wall of the framework, a screw rod fixedly connected to the inner rings of the two bearings, two first connecting ropes wound around the outer surface of the screw rod, the ends of the two first connecting ropes away from the screw rod connected to the outer surface of the second connecting rod, a knob fixedly connected to the front end of the screw rod, two sliding grooves formed in the inner side wall of the framework, a sliding block slidably connected to the inner side wall of each sliding groove, a trapezoidal block fixedly connected to the mutually close sides of the two sliding blocks, and a second connecting rope fixedly connected to the left side of the trapezoidal block.

[0006] Preferably, the left end of the second connecting rope extends through the framework and to the left side of the framework, and a pull ring is fixedly connected to the left end of the second connecting rope.

[0007] Preferably, a sleeve ring is sleeved on the outer surface of the second connecting rope, and a knob is fixedly connected to the outer surface of the framework.

[0008] There is an observation plate.

[0009] Preferably, the inner top wall of each of the card slots is fixedly connected with three first springs, and the bottom end of each of the three first springs is fixedly connected with a pressing plate.

[0010] Preferably, the outer surface of the framework is fixedly connected with a tension plate, and the left side surface of the tension plate is fixedly connected with four second springs.

[0011] Preferably, the left end of each of the second springs is connected with the right side surface of the trapezoidal block.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The spring type seat framework for supporting a seat can increase the tension of the seat spring by rotating the knob to drive the screw rod to rotate, pulling the second connecting rod to move, cooperating the pressing plate with the first spring, and making the pressing plate press the second connecting rod, and can make the tension of the seat spring smaller by pulling the trapezoidal block to move to the left through the pull ring and the second connecting rope, and making the second connecting rod move upward along the trapezoidal block and move to the right end of the card slot under the tension of the seat spring, so that the position of the second connecting rod can be adjusted according to different users, the seat spring is more suitable for the users, and the comfort of the users is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a front view structure schematic diagram of the utility model;

[0015] Fig. 2 is a cross-sectional view of the front view of the utility model;

[0016] Fig. 3 is a top view structure schematic diagram of the utility model;

[0017] Fig. 4 is a cross-sectional view of the side view of the utility model.

[0018] BRIEF DESCRIPTION OF DRAWINGS: 1, framework; 2, first connecting rod; 3, card slot; 4, second connecting rod; 5, seat spring; 6, bearing; 7, screw rod; 8, first connecting rope; 9, knob; 10, sliding slot; 11, sliding block; 12, trapezoidal block; 13, second connecting rope; 14, pull ring; 15, sleeve ring; 16, observation plate; 17, first spring; 18, pressing plate; 19, tension plate; 20, second spring. DETAILED DESCRIPTION

[0019] In the description of the utility model, it is necessary to explain that, unless there are definite provisions and limitations, the terms "mount", "connect", "connect" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model

[0021] Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to figures 1-4, in the utility model, a spring type seat framework for supporting seat, including framework 1, the inner side wall of framework 1 is fixedly connected with first connecting rod 2, the inner side wall of framework 1 is provided with two clamping grooves 3, the inner side wall of two clamping grooves 3 is slidably connected with second connecting rod 4, the outer surface of second connecting rod 4 and the outer surface of first connecting rod 2 are jointly clamped with seat spring 5, the inner side wall of framework 1 is fixedly connected with two bearings 6, the inner ring of two bearings 6 is fixedly connected with screw rod 7, the outer surface of screw rod 7 is wound with two first connecting ropes 8, the end of two first connecting ropes 8 away from screw rod 7 is connected with the outer surface of second connecting rod 4, the front end of screw rod 7 is fixedly connected with knob 9, the inner side wall of framework 1 is provided with two sliding grooves 10, the inner side wall of each sliding groove 10 is slidably connected with sliding block 11, the side of two sliding blocks 11 close to each other is fixedly connected with trapezoidal block 12, the left side of trapezoidal block 12 is fixedly connected with second connecting rope 13, through the cooperation of knob 9, screw rod 7, first connecting rope 8, clamping groove 3 and second connecting rod 4, second connecting rod 4 can be pulled, so that second connecting rod 4 moves to the left and is clamped in clamping groove 3, the tension of seat spring 5 is increased, through the cooperation of sliding groove 10, sliding block 11, seat spring 5, trapezoidal block 12 and second connecting rope 13, trapezoidal block 12 is pulled, so that second connecting rod 4 moves upwards along trapezoidal block 12 to the right end of clamping groove 3.

[0023] The left end of the second connecting rope 13 penetrates through the framework 1 and extends to the left side of the framework 1, the left end of the second connecting rope 13 is fixedly connected with a pull ring 14, the outer surface of the second connecting rope 13 is sleeved with a sleeve ring 15, the outer surface of the framework 1 is fixedly connected with an observation plate 16, the pull ring 14 is arranged, so that the second connecting rope 13 is conveniently pulled, and the second connecting rope 13 is prevented from hurting the user, the sleeve ring 15 is arranged, so that the pull ring 14 is prevented from directly contacting the framework 1 and causing the sleeve ring 15 to be damaged due to collision, and the observation plate 16 is arranged, so that the user can conveniently observe the specific position of the second connecting rod 4.

[0024] The inner top wall of each clamping groove 3 is fixedly connected with three first springs 17, the bottom end of each three first springs 17 is fixedly connected with a pressing plate 18, the outer surface of the framework 1 is fixedly connected with a tension plate 19, the left side of the tension plate 19 is fixedly connected with four second springs 20, and the left end of each second spring 20 is connected with the right side of the trapezoidal block 12, the second connecting rod 4 is pressed to the lower side of the clamping groove 3 through cooperation of the first spring 17 and the pressing plate 18, and the trapezoidal block 12 is pulled to the right side through cooperation of the tension plate 19 and the second spring 20, so that the trapezoidal block 12 is prevented from interfering with the adjustment of the position of the second connecting rod 4 next time.

[0025] The working principle of the utility model is:

[0026] When the tension of the seat spring 5 is too small, the knob 9 is rotated to drive the screw rod 7 to rotate, the first connecting rope 8 on the screw rod 7 is rotated around the spiral groove on the surface of the screw rod 7, the second connecting rod 4 is pulled to move, the second connecting rod 4 contacts the pressing plate 18 and presses the pressing plate 18 to make the first spring 17 contract, the moving distance of the second connecting rod 4 is observed through the observation plate 16, the rotation of the screw rod 7 is stopped when the second connecting rod 4 is at a proper position, the first spring 17 is released, the pressing plate 18 presses the second connecting rod 4, and the second connecting rod 4 is clamped in the clamping groove 3, when the tension of the seat spring 5 is too large, the pull ring 14 is pulled to make the trapezoidal block 12 connected with the second connecting rope 13 move to the left under the limitation of the sliding groove 10, the second connecting rod 4 moves upwards along the trapezoidal block 12 and moves to the right end of the clamping groove 3 under the tension of the seat spring 5, the pull ring 14 is released, the second spring 20 pulls the trapezoidal block 12 to move to the right, and the adjustment of the tension of the seat spring 5 is completed.

[0027] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristics of the application. Consequently, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than that of the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the features they indicate.

[0028] Furthermore, it should be understood that although the description is made according to the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

[0029] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for the purpose of explaining the principles of the present application, and cannot be interpreted in any way as a limitation on the scope of protection of the present application. Based on the explanation here, those skilled in the art can think of other specific embodiments of the present application without having to exert creative labor, and these ways will fall within the protection scope of the claims of the present application.

Claims

1. A spring-loaded seat frame for supporting a seat, comprising a frame (1), characterized in that: The inner wall of the frame (1) is fixedly connected to a first connecting rod (2). Two slots (3) are formed on the inner wall of the frame (1). A second connecting rod (4) is slidably connected to the inner walls of the two slots (3). A seat spring (5) is engaged with the outer surface of the second connecting rod (4) and the outer surface of the first connecting rod (2). Two bearings (6) are fixedly connected to the inner wall of the frame (1). A helical rod (7) is fixedly connected to the inner rings of the two bearings (6). Two springs (5) are wound around the outer surface of the helical rod (7). Two first connecting ropes (8) are connected to the outer surface of the second connecting rod (4) at the ends away from the spiral rod (7). A knob (9) is fixedly connected to the front end of the spiral rod (7). Two sliding grooves (10) are opened on the inner side wall of the skeleton (1). A slider (11) is slidably connected to the inner side wall of each sliding groove (10). A trapezoidal block (12) is fixedly connected to the side of the two sliders (11) that are close to each other. A second connecting rope (13) is fixedly connected to the left side of the trapezoidal block (12).

2. A spring-loaded seat frame for supporting a seat according to claim 1, characterized in that: The left end of the second connecting rope (13) passes through the skeleton (1) and extends to the left side of the skeleton (1). A pull ring (14) is fixedly connected to the left end of the second connecting rope (13).

3. A spring-loaded seat frame for supporting a seat according to claim 2, characterized in that: The outer surface of the second connecting rope (13) is fitted with a collar (15), and the outer surface of the skeleton (1) is fixedly connected with an observation plate (16).

4. A spring-loaded seat frame for supporting a seat according to claim 1, characterized in that: Each of the slots (3) has three first springs (17) fixedly connected to its inner top wall, and each of the three first springs (17) has a pressing plate (18) fixedly connected to its bottom end.

5. A spring-loaded seat frame for supporting a seat according to claim 1, characterized in that: A tension plate (19) is fixedly connected to the outer surface of the frame (1), and four second springs (20) are fixedly connected to the left side of the tension plate (19).

6. A spring-loaded seat frame for supporting a seat according to claim 5, characterized in that: The left end of each of the second springs (20) is connected to the right side of the trapezoidal block (12).

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