CN220039792U - Seat durability testing machine - Google Patents
Seat durability testing machine Download PDFInfo
- Publication number
- CN220039792U CN220039792U CN202321019036.5U CN202321019036U CN220039792U CN 220039792 U CN220039792 U CN 220039792U CN 202321019036 U CN202321019036 U CN 202321019036U CN 220039792 U CN220039792 U CN 220039792U
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- seat
- air cylinder
- rail
- rod
- balancing
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 239000003381 stabilizer Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a seat durability testing machine, which comprises: the seat is arranged on the base; the pushing mechanism is provided with a mounting assembly, an air cylinder, a die and a balancing assembly, the mounting assembly comprises a mounting plate and a limiting plate, the mounting plate and the limiting plate are matched and clamped on the support, a first end of the air cylinder is rotationally arranged on the mounting plate, the balancing assembly comprises a balancing rod and a connecting rod, the balancing rod is arranged on the support, one end of the connecting rod is rotationally connected with the balancing rod, the other end of the connecting rod is rotationally connected with a second end part, away from the first end part, of the air cylinder, and the die is arranged on a push rod of the air cylinder and can be abutted against a backrest of the seat. The seat durability test machine can effectively improve the use strength and durability, and is not easy to damage the connecting structure of the end part of the air cylinder.
Description
Technical Field
The utility model relates to the technical field of seat testing equipment, in particular to a seat durability testing machine.
Background
The backrest and the support legs of office chairs are subjected to pressure for a long time during use, which requires good durability of the chair. After the seat is produced, it is subjected to a durability test, which is generally performed using a seat durability tester.
The existing seat durability testing machine is provided with a fixing device and a pushing mechanism, wherein the fixing device is used for fixing supporting legs of a seat, the pushing mechanism is provided with an air cylinder, and the air cylinder is arranged on a bracket. When the pushing mechanism works, a push rod of the air cylinder extends out from the obliquely upper side of the backrest of the seat and presses the backrest of the seat, and a die is arranged at the end part of the push rod to be abutted against the backrest of the seat. Because the mould has certain weight, pushing mechanism is after long-time work, and the connection structure of cylinder and support is easy to damage, and the durability of seat durability test machine is not enough.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the seat durability testing machine, which can effectively improve the use strength and durability and is not easy to damage the connecting structure of the end part of the air cylinder.
A seat durability test machine according to an embodiment of the first aspect of the utility model includes:
the seat is arranged on the base;
the pushing mechanism is provided with a mounting assembly, an air cylinder, a die and a balancing assembly, the mounting assembly comprises a mounting plate and a limiting plate, the mounting plate and the limiting plate are matched and clamped on the support, a first end of the air cylinder is rotationally arranged on the mounting plate, the balancing assembly comprises a balancing rod and a connecting rod, the balancing rod is arranged on the support, one end of the connecting rod is rotationally connected with the balancing rod, the other end of the connecting rod is rotationally connected with a second end part, away from the first end part, of the air cylinder, and the die is arranged on a push rod of the air cylinder and can be abutted against a backrest of the seat.
The seat durability testing machine provided by the embodiment of the utility model has at least the following beneficial effects: the seat durability testing machine comprises a pushing mechanism, the pushing mechanism is provided with a cylinder capable of rotating to adjust the direction and a balancing component used for balancing the stress of the cylinder, a push rod of the cylinder is provided with a die, when the seat durability testing machine works, the cylinder is adjusted to be aligned with the backrest of the seat, then the cylinder drives the die to push against the backrest of the seat, and a connecting rod of the balancing component balances the stress of the cylinder close to one end of the die, so that the use strength and the durability of the cylinder can be effectively improved, and the connecting structure of the end part of the cylinder is not easy to damage.
According to some embodiments of the utility model, the limiting plate and the mounting plate are connected through a bolt, a handle is arranged at the end of the bolt, and the handle is rotated to enable the limiting plate and the mounting plate to clamp the bracket.
According to some embodiments of the utility model, the support is provided with a first guide rail, the first guide rail is along a vertical direction, and the balance bar is vertically arranged on the first guide rail and can vertically slide.
According to some embodiments of the utility model, the first guide rail is provided with a plurality of first clamping grooves, the balance bar is provided with a second clamping groove, when the position of the second clamping groove corresponds to the position of the first clamping groove, a first bolt can be inserted into the first clamping groove and the second clamping groove, and the balance bar is fixed on the first guide rail through the first bolt.
According to some embodiments of the utility model, the mounting plate is provided with a mounting portion, the mounting portion is provided with a groove, the first end portion is inserted into the groove and is arranged on the mounting portion through a first shaft, the first end portion is provided with a plurality of first through holes, the mounting portion is provided with a second through hole, when the position of the second through hole corresponds to the position of the first through hole, a second plug pin can be inserted into the first through hole and the second through hole, and the second plug pin limits the first end portion.
According to some embodiments of the utility model, the base is provided with a limit post and a second guide rail, the second guide rail is slidably provided with a limit block, and the limit block can approach the limit post along the direction of the second guide rail.
According to some embodiments of the utility model, the base is further provided with a load mechanism provided with an oil cylinder and an "L-shaped bar", the "L-shaped bar" being provided to the oil cylinder and provided with a negative weight at an end remote from the oil cylinder.
According to some embodiments of the utility model, the base is further provided with a pressure sensor.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a seat durability test machine according to one embodiment of the present utility model;
FIG. 2 is a front view of the seat durability test machine shown in FIG. 1;
fig. 3 is a partial enlarged view of a shown in fig. 1.
Reference numerals:
base 100, bracket 110, first rail 111, first clamping groove 112, second clamping groove 113, limit post 120, second rail 130, limit block 131, pushing mechanism 200, mounting assembly 210, mounting plate 211, mounting portion 212, limit plate 213, handle 214, cylinder 220, first end 221, second end 222, mold 230, balancing assembly 240, balancing bar 241, mounting block 242, connecting block 243, connecting rod 244, threaded portion 245, securing member 246, first latch 250, second latch 260, weight 300, weight 310, pressure sensor 400.
Detailed Description
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 only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed 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.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The backrest and the support legs of office chairs are subjected to pressure for a long time during use, which requires good durability of the chair. After the seat is produced, it is subjected to a durability test, which is generally performed using a seat durability tester.
The existing seat durability testing machine is provided with a fixing device and a pushing mechanism, wherein the fixing device is used for fixing supporting legs of a seat, the pushing mechanism is provided with an air cylinder, and the air cylinder is arranged on a bracket. When the pushing mechanism works, a push rod of the air cylinder extends out from the obliquely upper side of the backrest of the seat and presses the backrest of the seat, and a die is arranged at the end part of the push rod to be abutted against the backrest of the seat. Because the mould has certain weight, pushing mechanism is after long-time work, and the connection structure of cylinder and support is easy to damage, and the durability of seat durability test machine is not enough.
Aiming at the problems of the existing seat durability testing machine, the utility model provides the seat durability testing machine which comprises a pushing mechanism, wherein the pushing mechanism is provided with an air cylinder capable of rotating and adjusting the direction and a balancing component for balancing the stress of the air cylinder, a push rod of the air cylinder is provided with a die, when the seat durability testing machine works, the air cylinder is adjusted to be aligned with the backrest of the seat, then the air cylinder drives the die to push the backrest of the seat, and a connecting rod of the balancing component balances the stress of the air cylinder close to one end of the die, so that the use strength and the durability of the air cylinder can be effectively improved, and the connecting structure of the end part of the air cylinder is not easy to damage.
Referring to fig. 1 to 3, a seat durability test machine provided by an embodiment of the present utility model includes a base 100 provided with a vertical bracket 110, a seat provided on the base 100, and a pressing mechanism 200 provided on the bracket 110. Specifically, the biasing mechanism 200 is provided with a mounting assembly 210, an air cylinder 220, a die, and a balancing assembly 240. The mounting assembly 210 includes a mounting plate 211 and a limiting plate 213, and the mounting plate 211 and the limiting plate 213 are clamped on the bracket 110 in a matching manner. A first end 221 of the air cylinder 220 is rotatably disposed on the mounting plate 211, and a second end 222 of the air cylinder 220 remote from the first end 221 is rotatable about the first end 221. The balance assembly 240 includes a balance bar 241 and a connection rod 244, the balance bar 241 being disposed on the bracket 110, one end of the connection rod 244 being rotatably connected to the balance bar 241, the other end being rotatably connected to the second end 222 of the cylinder 220. The mold is disposed on the push rod of the cylinder 220 and can abut against the backrest of the seat, and the outer surface of the mold is generally provided with a soft material.
It should be noted that, the bracket 110 is provided with a first guide rail 111, the first guide rail 111 is vertically arranged on the first guide rail 111 along the vertical direction, and the balance bar 241 is vertically arranged and can slide to adjust the position of the balance bar 241 in the vertical direction. The first guide rail 111 is provided with a plurality of first clamping grooves 112, the balance bar 241 is provided with a second clamping groove 113, and when the position of the second clamping groove 113 corresponds to the position of the first clamping groove 112, the first plug 250 can be inserted into the first clamping groove 112 and the second clamping groove 113 to fix the balance bar 241, that is, the balance bar 241 is fixed on the first guide rail 111 through the first plug 250.
In addition, the end of the balance bar 241 far away from the bracket 110 is provided with two mounting blocks 242, a second shaft is arranged between the two mounting blocks 242, a rotatable connecting block 243 is arranged on the second shaft, a third through hole is arranged on the connecting block 243, and a connecting rod 244 is arranged on the third through hole of the connecting block 243 in a penetrating manner. The end of the connecting rod 244 away from the second end 222 of the cylinder 220 is provided with a screw portion 245, and the screw portion 245 is rotatably provided with a fixing member 246, and the fixing member 246 can fix the connecting rod 244.
When the seat durability test machine is operated, the height of the air cylinder 220 is adjusted to a proper position, and the positions of the balance bar 241 and the mounting plate 211 may be simultaneously adjusted, or only one of them may be adjusted. After the height is adjusted, the cylinder 220 is rotated again to align with the backrest of the seat, and after the angle is adjusted, the direction of the cylinder 220 and the connecting rod 244 are fixed, so that a stable structure is formed between the cylinder 220 and the balance assembly 240. The cylinder 220 drives the mold to push against the backrest of the seat and hold for a certain time, and a durability test is performed. The seat durability test machine provided by the embodiment of the utility model can effectively improve the use strength and durability, and is not easy to damage the connecting structure of the end part of the air cylinder 220.
The limiting plate 213 and the mounting plate 211 are connected by a bolt, a handle 214 is provided at an end of the bolt, and the handle 214 is rotated to clamp the limiting plate 213 and the mounting plate 211 to the bracket 110. The mounting plate 211 is provided with a mounting portion 212, the mounting portion 212 is provided with a groove, a first end 221 of the air cylinder 220 is inserted into the groove and is arranged on the mounting portion 212 through a first shaft, the first end 221 is provided with a plurality of first through holes, the plurality of first through holes are uniformly distributed circumferentially, the mounting portion 212 is provided with a second through hole, a second plug 260 can be inserted when the position of the second through hole corresponds to that of the first through hole, and the second plug 260 limits the first end 221.
It should be noted that, the base 100 is provided with a limiting post 120 and a second guide rail 130, the second guide rail 130 is slidably provided with a limiting block 131, the limiting block 131 can be close to the limiting post 120 along the direction of the second guide rail 130, and the limiting block 131 cooperates with the limiting post 120 to clamp the supporting leg of the seat in the middle and fix the position of the seat. The base 100 is further provided with a load mechanism 300, the load mechanism 300 is provided with an oil cylinder and an L-shaped rod, the L-shaped rod is arranged on the oil cylinder, one end far away from the oil cylinder is provided with a load block 310, the oil cylinder drives the load block 310 to press on a seat, and the durability of supporting legs of the seat can be tested. The base 100 is also provided with a pressure sensor 400.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. Seat durability testing machine, its characterized in that includes:
the seat is arranged on the base;
the pushing mechanism is provided with a mounting assembly, an air cylinder, a die and a balancing assembly, the mounting assembly comprises a mounting plate and a limiting plate, the mounting plate and the limiting plate are matched and clamped on the support, a first end of the air cylinder is rotationally arranged on the mounting plate, the balancing assembly comprises a balancing rod and a connecting rod, the balancing rod is arranged on the support, one end of the connecting rod is rotationally connected with the balancing rod, the other end of the connecting rod is rotationally connected with a second end part, away from the first end part, of the air cylinder, and the die is arranged on a push rod of the air cylinder and can be abutted against a backrest of the seat.
2. The seat durability testing machine according to claim 1, wherein the limiting plate and the mounting plate are connected by a bolt, a handle is provided at an end of the bolt, and the handle is rotated to clamp the limiting plate and the mounting plate to the bracket.
3. The seat durability test machine according to claim 1, wherein the bracket is provided with a first rail, the first rail being vertically arranged in the first rail, and the stabilizer bar being vertically slidable.
4. The seat durability test machine according to claim 3, wherein the first rail is provided with a plurality of first clamping grooves, the balance bar is provided with a second clamping groove, and when the position of the second clamping groove corresponds to the position of the first clamping groove, a first plug pin can be inserted into the first clamping groove and the second clamping groove, and the balance bar is fixed to the first rail through the first plug pin.
5. The seat durability test machine according to claim 1, wherein the mounting plate is provided with a mounting portion provided with a groove, the first end portion is inserted into the groove and provided to the mounting portion through a first shaft, the first end portion is provided with a plurality of first through holes, the mounting portion is provided with a second through hole, and when the position of the second through hole corresponds to the position of the first through hole, a second plug pin can be inserted into the first through hole and the second through hole, and the second plug pin limits the first end portion.
6. The seat durability testing machine according to claim 1, wherein the base is provided with a limit post and a second rail, the second rail is slidably provided with a stopper, and the stopper can be close to the limit post in the direction of the second rail.
7. The seat durability test machine according to claim 6 wherein the base is further provided with a weight mechanism provided with an oil cylinder and an "L-shaped rod", the "L-shaped rod" being provided to the oil cylinder and an end remote from the oil cylinder being provided with a negative weight.
8. The seat durability test machine according to claim 1 wherein the base is further provided with a pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019036.5U CN220039792U (en) | 2023-04-28 | 2023-04-28 | Seat durability testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019036.5U CN220039792U (en) | 2023-04-28 | 2023-04-28 | Seat durability testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039792U true CN220039792U (en) | 2023-11-17 |
Family
ID=88727190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321019036.5U Active CN220039792U (en) | 2023-04-28 | 2023-04-28 | Seat durability testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039792U (en) |
-
2023
- 2023-04-28 CN CN202321019036.5U patent/CN220039792U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |