CN216438859U - Self-loading seat chassis and seat - Google Patents
Self-loading seat chassis and seat Download PDFInfo
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- CN216438859U CN216438859U CN202122753004.5U CN202122753004U CN216438859U CN 216438859 U CN216438859 U CN 216438859U CN 202122753004 U CN202122753004 U CN 202122753004U CN 216438859 U CN216438859 U CN 216438859U
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Abstract
The utility model discloses a self-loading seat chassis, wherein the chassis comprises: the device comprises a base, a mounting rack and a supporting plate; the base is provided with an elastic element, a first shaft lever and a second shaft lever are respectively arranged at two ends of the elastic element, the first shaft lever penetrates through a first elongated hole formed in the base, the second shaft lever is in sliding fit with the base, and the sliding direction of the second shaft lever is perpendicular to the rotating shaft; one end of the bracket is hinged with the mounting rack, and the other end of the bracket is hinged with the first shaft rod; a position adjusting piece used for adjusting the second shaft lever is connected between the base and the second shaft lever. When a user sits on the chassis, the mounting rack rotates to drive the bracket to move, the first shaft lever moves in the elongated hole when the bracket moves, and the elastic element transmits a preset supporting force through the first shaft lever; through setting up the regulating part, change the relative position of second axostylus axostyle at the base, and then change predetermined holding power, the self-weight seat chassis simple structure of this application, convenient to use, the user can freely adjust predetermine holding power, improves user's use and experiences.
Description
Technical Field
The utility model relates to the technical field of seats, in particular to a self-loading seat chassis and a seat.
Background
The chair is a necessity in daily life and office, most of the current common chairs comprise a backrest rotation function, a self-weight chair chassis is needed for realizing the rotation of the backrest, a constant supporting force is usually preset on the self-weight chair chassis, when a person with heavy weight uses the chair, the supporting force of the backrest is insufficient, and the rotation amplitude of the backrest is too large; when the people that the weight is little use, can feel the holding power of back not enough, back rotation amplitude is too little, and current seat from bearing a burden does not predetermine the adjusting device of holding power, perhaps adjusting device structure is complicated, complex operation, and the user can not easily adjust predetermined holding power, leads to the user to feel unnatural, reduces user's use and experiences.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the self-weight-bearing seat chassis provided by the utility model can be used for simply and quickly adjusting the preset supporting force and improving the use experience of a user.
The utility model also provides a seat with the self-loading seat chassis.
A self-ballasted seat chassis according to an embodiment of a first aspect of the present invention includes: the base is provided with two first elongated holes which are symmetrically arranged; the mounting rack is rotatably connected to the base; the elastic element is arranged on the base, a first shaft lever and a second shaft lever are respectively arranged at two ends of the elastic element, the first shaft lever and the second shaft lever are parallel to a rotating shaft of the mounting frame, the first shaft lever penetrates through the two first elongated holes, the second shaft lever is in sliding fit with the base, and the sliding direction of the second shaft lever is perpendicular to the rotating shaft; one end of the bracket is hinged with the mounting rack, and the other end of the bracket is hinged with the first shaft rod; and the adjusting piece is connected between the base and the second shaft rod and is used for adjusting the position of the second shaft rod along the sliding direction of the second shaft rod.
The self-loading seat chassis provided by the embodiment of the utility model has at least the following beneficial effects: when a user sits on the chassis, the mounting frame rotates to drive the bracket to move, the first shaft lever moves in the first elongated hole when the bracket moves, and the elastic element provides preset supporting force for the mounting frame through linkage among the first shaft lever, the bracket and the mounting frame; through setting up the regulating part, can change the relative position of second axostylus axostyle at the base, and then change predetermined holding power, the self-weight seat chassis simple structure of this application, convenient to use, the user can freely adjust the most comfortable predetermined holding power, improves user's use and experiences.
According to some embodiments of the utility model, the adjusting member includes an adjusting screw and a connecting block, the connecting block is connected to the second shaft rod, the base is provided with a through hole, the adjusting screw is arranged through the through hole and abuts against the base, and the adjusting screw is in threaded connection with the connecting block.
According to some embodiments of the utility model, the adjusting screw forms an acute angle with a central axis of the elastic member, and the adjusting screw is arranged inclined downward, and the connecting block is hinged with the second shaft.
According to some embodiments of the utility model, an inner diameter of the through hole is larger than an outer diameter of the adjustment screw.
According to some embodiments of the utility model, the base is provided with two second elongated holes symmetrically arranged, and the second shaft rod is arranged through the two second elongated holes.
According to some embodiments of the utility model, the first elongated hole is obliquely arranged, and an upper end of the first elongated hole faces a side of the mounting bracket.
According to some embodiments of the present invention, the base is provided with a sliding sleeve installed in the first elongated hole, and the first shaft penetrates through the sliding sleeve and is in sliding fit with the sliding sleeve.
According to some embodiments of the utility model, the two elastic elements are symmetrically arranged, and the adjusting piece is positioned between the two elastic elements.
According to some embodiments of the utility model, the elastic element comprises a spring, a sleeve and a guide rod, the guide rod penetrates through the sleeve and is connected with the sleeve in a sliding manner, and the spring is sleeved on the guide rod and the sleeve.
A seat according to an embodiment of the second aspect of the utility model comprises a backrest and the self-ballasted seat pan of the embodiment of the first aspect, the backrest and the mounting frame comprised by the self-ballasted seat pan being connected.
The seat according to the embodiment of the second aspect of the utility model has at least the following advantages: the seat with the self-loading seat chassis is simple in structure, convenient to use, capable of adjusting the preset supporting force conveniently and quickly and improving the use experience of a user.
Drawings
FIG. 1 is a schematic structural view of a self-ballasted seat chassis according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
fig. 3 is a schematic structural diagram of an elastic element according to an embodiment of the present invention.
Reference numerals: a base 100; a first elongated hole 101; a second elongated hole 102; a through hole 103; a first shaft 110; a second shaft 120; a sliding sleeve 130; a mounting frame 200; a rotating shaft 210; an elastic member 300; a spring 310; a sleeve 320; a guide rod 330; an adjusting member 400; an adjusting screw 410; a connection block 420; a carrier 500.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
A self-ballasted seat chassis according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
As shown in fig. 1, a self-loading seat chassis according to an embodiment of a first aspect of the present invention includes: the mounting frame 200, the base 100, and the bracket 500; the base 100 is rotatably connected with the mounting rack 200 through a rotating shaft 210, and the base 100 rotates by taking the rotating shaft 210 as a fulcrum; the left side and the right side of the base 100 are provided with two first elongated holes 101 which are symmetrically arranged, the base 100 is further provided with an elastic element 300, one end of the elastic element 300 is rotatably connected with the first shaft rod 110, the other end of the elastic element 300 is abutted against the second shaft rod 120, the first shaft rod 110 and the second shaft rod 120 are parallel to a rotating shaft 210 of the mounting frame 200, the first shaft rod 110 penetrates through the two first elongated holes 101, and the second shaft rod 120 is in sliding fit with the base 100 and the sliding direction of the second shaft rod 120 is perpendicular to the rotating shaft 210; one end of the bracket 500 is hinged with the mounting rack 200, and the other end is hinged with the first shaft lever 110; an adjusting member 400 is further connected between the base 100 and the second shaft 120, and the adjusting member 400 can be used to adjust the position of the second shaft 120 along the sliding direction of the second shaft 120.
It can be understood that, when a user sits on the chassis, the mounting rack 200 rotates and moves by driving the bracket 500 to move, the first shaft 110 moves in the first elongated hole 101 when the bracket 500 moves, and the elastic element 300 provides a preset supporting force through the linkage of the first shaft 110; through the arrangement of the adjusting member 400, the second shaft rod 120 slides along the direction perpendicular to the rotating shaft 210, the relative position of the second shaft rod 120 on the base 100 is changed, and the preset supporting force is further changed.
Further, the adjusting member 400 includes an adjusting screw 410 and a connecting block 420, the connecting block 420 has a connecting hole and a threaded hole perpendicular to each other, the second shaft 120 is connected to the connecting block 420 by passing through the connecting hole, the base 100 has a through hole 103, the adjusting screw 410 is disposed in the through hole 103 and abuts against the base 100, the adjusting screw 410 is in threaded connection with the connecting block 420 by passing through the threaded hole, the adjusting screw 410 is rotated, the second shaft 120 slides in a direction perpendicular to the rotating shaft 210, the preset supporting force generated by the elastic element 300 is proportional to the number of turns of the adjusting screw 410, the number of turns of the adjusting screw 410 is a force gradient of the preset supporting force, the supporting force generated by the elastic element 300 can be converted from a fixed value to a preset value, which can be finely adjusted, so as to adapt to different preset supporting force requirements of users, and meanwhile, the adjusting screw 410 and the connecting block 420 have simple structures, Convenient to use, processing cost are low, effectively increase the product competitiveness of the self-supporting seat chassis of this application.
Furthermore, an acute angle is formed between the adjusting screw 410 and the central axis of the elastic element 300, the adjusting screw 410 is arranged in a downward inclined manner, the connecting block 420 is hinged to the second shaft rod 120, due to the fact that the adjusting screw 410 is in threaded connection with the connecting block 420, the adjusting screw 410 is rotated to enable the second shaft rod 120 to slide, meanwhile, the connecting block 420 rotates, the included angle between the adjusting screw 410 and the central axis of the elastic element 300 is increased, the pulling force of the adjusting screw 410 on the connecting block 420 is increased in the vertical direction, the rebound supporting force of the elastic element 300 is increased, and the effect of easily adjusting the preset supporting force is achieved; meanwhile, the adjusting screw 410 is arranged in a downward inclined manner, so that on one hand, the adjusting screw 410 can be prevented from blocking the movement of the first shaft lever 110 in the first elongated hole 101, and the installation space of the base 100 is fully utilized, so that the structure of the chassis is simple and reasonable; on the other hand, since the screw 410 has a large operating space at the bottom of the seat and below, the screw 410 is downward, which is convenient for the user to rotate the adjusting screw 410.
Referring to fig. 2, it can be understood that the inner diameter of the through hole 103 formed in the base 100 is larger than the outer diameter of the adjusting screw 410, and since the connecting block 420 is hinged to the second shaft 120, the connecting block 420 rotates around the second shaft 120 during the sliding process of the second shaft 120, and the adjusting screw 410 further tilts downward, it is necessary to design the inner diameter of the through hole 103 of the base 100 to be larger than the outer diameter of the adjusting screw 410, but not to exceed the head of the adjusting screw 410, so that the adjusting screw 410 can rotate in the through hole 103 while abutting against the base 100, and the elastic element 300 can be adjusted by the connecting block 420.
Further, the base 100 is provided with two second elongated holes 102 which are symmetrically arranged, the second shaft 120 penetrates through the two second elongated holes 102, so that the sliding fit between the second shaft 120 and the base 100 is realized, and the purpose of adjusting the relative position of the second shaft 120 on the base 100 is further achieved; the second elongated hole 102 may be horizontally disposed, so that the preset supporting force of the resilient element 300 includes a gravity component of the second shaft 120 and the connecting block 420, the resilient effect of the resilient element 300 is enhanced, and the adjustment range of the preset supporting force is expanded; the second elongated hole 102 may also be disposed in parallel with the adjusting screw 410, so that the pulling force of the adjusting screw 410 is completely converted into the preset supporting force of the resilient element 300, and at this time, the connecting block 420 and the second shaft rod 120 may be hinged or fixedly connected, thereby increasing the diversity of the chassis structure; the angle of the second elongated hole 102 provided in the self-loading seat chassis of the present invention is not particularly limited, as long as the second shaft 120 can slide along the vertical rotation axis 210, so as to adjust the resilient supporting force of the elastic element 300.
Referring to fig. 1, it can be understood that the first elongated hole 101 is obliquely disposed, and the upper end of the first elongated hole 101 faces one side of the mounting frame 200, since one end of the bracket 500 is hinged to the mounting frame 200, the mounting frame 200 is rotatably connected to the base 100 through the rotating shaft 210, and the other end is hinged to the first shaft rod 110 penetrating through the first elongated hole 101, therefore, when a user sits on the chassis, the mounting frame 200 rotates around the rotating shaft 210, one end of the bracket 500 rotates around the rotating shaft 210 along with the mounting frame 200, and the other end moves to the upper end from the lower end of the first elongated hole 101 in an oblique direction, the configuration of the first elongated hole 101 enables the bracket 500 to synchronously move along with the rotation of the mounting frame 200, thereby enabling the linkage between the backrest and the cushion of the seat to be natural and smooth, helping the user to adapt to the most comfortable posture leaning on the seat, and effectively increasing the comfort when the seat is used.
Further, the base 100 is provided with a sliding sleeve 130 installed in the first elongated hole 101, the first shaft 110 penetrates through the sliding sleeve 130 and is in sliding fit with the sliding sleeve 130, and the first shaft 110 penetrates through the sliding sleeve 130, so that the stability of the shaft during movement can be ensured, the abrasion of the first shaft 110 can be reduced, the user experience can be ensured, and the service life of the chassis can be prolonged; the sliding sleeve 130 is provided to enhance the tightness of the hinge connection between the bracket 500 and the base 100 via the first shaft 110, so that the appearance of the base 100 is more beautiful and natural.
Referring to fig. 1 and 3, it can be understood that two elastic elements 300 are symmetrically arranged, the adjusting member 400 is located between the two elastic elements 300, the two elastic elements 300 are arranged, the rebound effect of the elastic elements 300 can be effectively increased, the adjusting member 400 is located between the two elastic elements 300 symmetrically arranged, the elastic elements 300 uniformly transmit the rebound force to the first shaft lever 110 and the second shaft lever 120, the stability of the elastic elements 300 during operation can be effectively ensured, and the effect of naturally and comfortably supporting force of the seat is achieved.
Further, the elastic element 300 comprises a spring 310, a sleeve 320 and a guide rod 330, the guide rod 330 penetrates through the sleeve 320 and is in sliding connection with the sleeve 320, the guide rod 330 and the sleeve 320 are sleeved on the spring 310, the matching structure of the spring 310, the sleeve 320 and the guide rod 330 is simple, the installation is convenient, the production cost is low, the sliding connection of the guide rod 330 of the sleeve 320 can also play a role in guiding when the second shaft 120 slides, and the stability of the operation process of the elastic element 300 is further ensured.
In addition, the second embodiment of the utility model also provides a seat, which comprises the self-ballasted seat chassis and the backrest of the first embodiment of the utility model, and the backrest is connected with the mounting frame 200.
It can be understood that, the user leans on the back, the rotatory bracket 500 that drives of mounting bracket 200 that the back is connected removes, elastic element 300 transmits the holding power to mounting bracket 200 through the first axostylus axostyle 110 of being connected with bracket 500, the user passes through regulating part 400, make second axostylus axostyle 120 slide along perpendicular to axis of rotation 210 direction, change the relative position of second axostylus axostyle 120 at base 100, and then easily change the default holding power that elastic element 300 kick-backed, whole seat simple structure, and convenient for operation, the user can freely adjust the most comfortable default holding power, improve user's use experience.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A self-supporting seat pan, comprising:
the base is provided with two first elongated holes which are symmetrically arranged;
the mounting rack is rotatably connected to the base;
the elastic element is arranged on the base, a first shaft lever and a second shaft lever are respectively arranged at two ends of the elastic element, the first shaft lever and the second shaft lever are parallel to a rotating shaft of the mounting frame, the first shaft lever penetrates through the two first elongated holes, the second shaft lever is in sliding fit with the base, and the sliding direction of the second shaft lever is perpendicular to the rotating shaft;
one end of the bracket is hinged with the mounting rack, and the other end of the bracket is hinged with the first shaft rod;
and the adjusting piece is connected between the base and the second shaft rod and is used for adjusting the position of the second shaft rod along the sliding direction of the second shaft rod.
2. The self-loading seat chassis according to claim 1, wherein the adjusting member comprises an adjusting screw and a connecting block, the connecting block is connected to the second shaft, the base is provided with a through hole, the adjusting screw is inserted into the through hole and abuts against the base, and the adjusting screw is in threaded connection with the connecting block.
3. The self-ballasted seat pan of claim 2, wherein the adjustment screw forms an acute angle with a central axis of the elastic member, and the adjustment screw is disposed obliquely downward, and the connecting block is hinged with the second shaft rod.
4. The self-ballasted seat pan of claim 2, wherein an inner diameter of the through hole is larger than an outer diameter of the adjustment screw.
5. The self-loading heavy seat chassis as claimed in claim 1, wherein the base is provided with two second elongated holes which are symmetrically arranged, and the second shaft passes through the two second elongated holes.
6. The self-ballasted seat chassis of claim 1, wherein the first elongated hole is provided obliquely, and an upper end of the first elongated hole faces the mounting bracket side.
7. The self-loading seat chassis according to claim 6, wherein the base is provided with a sliding sleeve mounted in the first elongated hole, and the first shaft passes through the sliding sleeve and is in sliding fit with the sliding sleeve.
8. A self-supporting seat pan as claimed in claim 1, wherein there are two of said resilient members symmetrically disposed, and said adjustment member is located between said two resilient members.
9. The self-supporting seat chassis according to claim 1 or 8, wherein the elastic element comprises a spring, a sleeve and a guide rod, the guide rod is inserted into the sleeve and slidably connected with the sleeve, and the guide rod and the sleeve are sleeved with the spring.
10. A seat comprising a self-supporting seat pan as claimed in any one of claims 1 to 9 and a backrest, the backrest being connected to the mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122753004.5U CN216438859U (en) | 2021-11-10 | 2021-11-10 | Self-loading seat chassis and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122753004.5U CN216438859U (en) | 2021-11-10 | 2021-11-10 | Self-loading seat chassis and seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216438859U true CN216438859U (en) | 2022-05-06 |
Family
ID=81354200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122753004.5U Active CN216438859U (en) | 2021-11-10 | 2021-11-10 | Self-loading seat chassis and seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216438859U (en) |
-
2021
- 2021-11-10 CN CN202122753004.5U patent/CN216438859U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |