CN111896281A

CN111896281A - Strength detection device of leisure table and chair

Info

Publication number: CN111896281A
Application number: CN202010489540.6A
Authority: CN
Inventors: 田张飞; 代玉芳
Original assignee: Anhui Jujiang Furniture Manufacturing Co ltd
Current assignee: Anhui Jujiang Furniture Manufacturing Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2020-11-06
Anticipated expiration: 2040-06-02
Also published as: CN111896281B

Abstract

One or more embodiments of the present disclosure provide a strength detection device for a leisure table and chair, including a bottom plate, a leg fixing assembly is installed on an upper portion of the bottom plate, a support plate is slidably installed on one side of the bottom plate, a left electric cylinder and a right electric cylinder are respectively installed on two sides of the support plate, the left electric cylinder and the right electric cylinder are respectively fixedly connected to the bottom plate, a working plate is slidably installed on a side surface of the support plate, clamping assemblies are installed on four corners of the working plate, a lifting assembly is installed on an upper portion of the support plate, and the lifting assembly is in transmission connection with the working plate; according to the invention, the tensile strength of the table and chair is detected by arranging the lifting assembly, and the left electric cylinder and the right electric cylinder are arranged to provide a force for swinging left and right for the support plate, so that the table and chair can bear the left and right swinging force while bearing the tensile force, the use environment of the table and chair is simulated, the multi-directional detection is carried out on the table and chair, and the delivery quality guarantee of the table and chair is improved.

Description

Strength detection device of leisure table and chair

Technical Field

One or more embodiments of the present disclosure relate to the field of furniture manufacturing technologies, and in particular, to a strength detection device for a leisure table and chair.

Background

The leisure table and chair is usually used for outdoor leisure, is usually prepared from light materials such as aluminum alloy materials and aluminum-plastic materials, and meanwhile, the strength requirement of outdoor use needs to be met, and especially, the strength detection of the supporting legs of the table and chair is an important standard for evaluating the qualified quality of the outdoor table and chair.

If the strength of the supporting legs is not detected after the design of the desk and chair is finished, the structural mechanical property of part of the desk and chair is poor, and the supporting legs are not firm enough, so that the problems of weak bearing capacity, low impact resistance, easy shaking of the desk and chair, low service life and the like are caused;

however, the existing detection equipment usually obtains the maximum tensile strength of a product through continuous tensile test, the stress condition of the table and chair in the use process is complex and variable, the strength performance of the table and chair cannot be fully detected only by detecting the tensile strength of the table and chair, and the quality of the table and chair cannot be accurately evaluated.

Disclosure of Invention

In view of the above, an object of one or more embodiments of the present disclosure is to provide a strength detecting device for a leisure table and chair, so as to solve all or one of the above problems.

Based on the above purpose, one or more embodiments of the present specification provide an intensity detection apparatus for a leisure table and chair, including a bottom plate, a leg fixing component is installed on the upper portion of the bottom plate, a support plate is installed on one side of the bottom plate in a slidable manner, a left electric cylinder and a right electric cylinder are installed on two sides of the support plate respectively, the left electric cylinder and the right electric cylinder are respectively and fixedly connected with the bottom plate, a working plate is installed on the side surface of the support plate in a slidable manner, clamping and fixing components are installed on four corners of the working plate, a lifting component is installed on the upper portion of the support plate, and the lifting component is in transmission connection with the working plate.

Optionally, the fixed subassembly of shank includes two sets of slide rails, two bearing plates of upper portion slidable installation of slide rail, the mid-mounting of slide rail has the drive two the drive assembly of bearing plate or opposite movement in opposite directions, two centre gripping electric jar are installed on the upper portion of bearing plate, two the centre gripping electric jar with the direction of motion of bearing plate is 45 jiaos, the grip block is installed to the output of centre gripping electric jar, the grip block is the L template.

Optionally, the driving assembly includes a first motor, a first bevel gear is installed at the output end of the first motor, two screw rods are rotatably installed on both sides of the first motor, a second bevel gear is installed on one side of the screw rod close to the first motor, the first bevel gear is engaged with the second bevel gear, and one end of the screw rod, far away from the first motor, is connected with the supporting plate through thread transmission.

Optionally, the clamping component includes a sliding block, the working plate has a through chute, the sliding block is slidably mounted in the chute, the second motor is mounted on the upper portion of the sliding block, the clamping block is mounted at the output end of the second motor, the rack is mounted on one side of the sliding block, the fixed block is mounted on the working plate, the through groove is formed in the middle of the fixed block, the through groove communicated with the through groove is formed in the upper portion of the fixed block, the rack penetrates into the through groove, the third motor is mounted on the upper portion of the fixed block, the drive gear is mounted at the output end of the third motor, and the lower portion of the drive gear is meshed with the rack and enters into the through groove.

Optionally, the clamping block includes a vertical block and a horizontal block, the horizontal block is installed at the lower part of the vertical block, and the horizontal block and the vertical block are combined to form an L-shaped structure.

Optionally, a rubber skin is attached to the inner side of the L-shaped structure.

Optionally, the lifting assembly comprises a fourth motor, a transmission shaft is installed at the output end of the fourth motor, a driving chain wheel is installed at the middle of the transmission shaft, a driving chain is installed on the driving chain wheel in a chain transmission mode, the driving chain wheel is installed at the lower portion of the supporting plate, one end of the driving chain is installed on the upper portion of the working plate, and the other end of the driving chain bypasses the driving chain wheel and is installed on the lower portion of the working plate.

Optionally, a horizontal plate is convexly arranged on the upper portion of the supporting plate, and the lifting assembly is mounted on the upper portion of the horizontal plate.

As can be seen from the above, in the strength detection device for a leisure table and chair provided in one or more embodiments of the present disclosure, the tensile strength of the table and chair is detected by the lifting assembly, and the left electric cylinder and the right electric cylinder are arranged to provide a force for the support plate to swing left and right, so that the table and chair also bear a left and right swing force while bearing a tensile force, thereby simulating a use environment of the table and chair, performing multi-directional detection on the table and chair, and improving factory quality assurance of the table and chair.

Drawings

In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.

FIG. 1 is a front view of a strength detecting apparatus for a leisure table and chair according to one or more embodiments of the present disclosure;

FIG. 2 is a front view of the strength detecting device for a leisure table and chair according to one or more embodiments of the present disclosure;

FIG. 3 is a top view of the strength testing apparatus for a leisure table and chair according to one or more embodiments of the present disclosure;

FIG. 4 is a schematic illustration of the position of a leg securing assembly according to one or more embodiments of the present disclosure;

FIG. 5 is a schematic view of a clamp assembly according to one or more embodiments of the present disclosure;

FIG. 6 is a schematic view of the connection between the clamping assembly and the support plate according to one or more embodiments of the present disclosure;

the device comprises a bottom plate 1, a leg fixing component 2, a slide rail 21, a supporting plate 22, a clamping electric cylinder 23, a clamping plate 24, a first motor 25, a first bevel gear 26, a screw rod 27, a second bevel gear 28, a supporting plate 3, a left electric cylinder 4, a right electric cylinder 5, a working plate 6, a sliding groove 61, a clamping component 7, a sliding block 71, a second motor 72, a clamping block 73, a vertical block 731, a horizontal block 732, a rack 74, a fixing block 75, a through groove 76, a passing groove 77, a third motor 78, a driving gear 79, a lifting component 8, a fourth motor 81, a transmission shaft 82, a driving sprocket 83, a driving chain 84 and a transmission sprocket 85.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.

It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In view of the above, one or more embodiments of the present disclosure provide an apparatus for detecting strength of a leisure table and chair, as an implementation manner, as shown in the drawing, the apparatus includes a bottom plate 1, a leg fixing component 2 is installed on an upper portion of the bottom plate 1, a supporting plate 3 is slidably installed on one side of the bottom plate 1, a left electric cylinder 4 and a right electric cylinder 5 are respectively installed on two sides of the supporting plate 3, the left electric cylinder 4 and the right electric cylinder 5 are respectively and fixedly connected to the bottom plate 1, a working plate 6 is slidably installed on a side surface of the supporting plate 3, clamping components 7 are installed on four corners of the working plate 6, a lifting component 8 is installed on an upper portion of the supporting plate 3, and the lifting component 8 is in transmission connection with the working plate 6. Wherein, the supporting leg of the table chair that waits to detect is fixed to shank fixed subassembly 2, it reciprocates to carry and to draw subassembly 8 to drive working plate 6, the upper portion of table chair is firmly fixed to the solid card of card subassembly 7, it provides the pulling force that lasts to carry and draws subassembly 8, carry out tensile strength to table chair and detect, left side electric jar 4 and right electric jar 5 provide the power of horizontal hunting for backup pad 3, make table chair also bear the pendulum power about bearing tensile force, the service environment of simulation table chair, carry out diversified detection to table chair, the outgoing quality assurance of table chair is improved.

In an embodiment, the leg fixing assembly 2 includes two sets of slide rails 21, two bearing plates 22 are slidably installed on the upper portions of the slide rails 21, a driving assembly for driving the two bearing plates 22 to move oppositely or oppositely is installed in the middle of the slide rails 21, two clamping electric cylinders 23 are installed on the upper portions of the bearing plates 22, the two clamping electric cylinders 23 and the bearing plates 22 move in a 45-degree angle, a clamping plate 24 is installed at the output end of each clamping electric cylinder 23, and the clamping plate 24 is an L-shaped plate.

Specifically speaking, the drive assembly includes first motor 25, first bevel gear 26 is installed to the output of first motor 25, two lead screws 27 are all rotatably installed to the both sides of first motor 25, lead screw 27 is close to second bevel gear 28 is installed to one side of first motor 25, first bevel gear 26 with second bevel gear 28 meshes mutually, lead screw 27 keeps away from first motor 25's one end with bearing board 22 passes through threaded transmission and is connected. Wherein, first motor 25 works, first motor 25 drives first bevel gear 26 and rotates, first bevel gear 26 drives second bevel gear 28 and rotates, and then drive the reverse rotation of lead screw 27 of first motor 25 both sides, realize the opposite direction or the opposite movement of two bearing board 22, adjust the distance of two bearing board 22, make it can fix the table chair of equidimension not, two centre gripping electric jar 23 drive grip block 24 and are close to each other, hug closely the supporting leg, grip block 24 is the L template, two grip block 24 are square clamping surface, can carry out the centre gripping to square or circular shape supporting leg.

In one embodiment, the fastening assembly 7 includes a sliding block 71, the working plate 6 is provided with a through sliding slot 61, the sliding block 71 is slidably mounted in the sliding groove 61, a second motor 72 is mounted on the upper portion of the sliding block 71, the output end of the second motor 72 is provided with a clamping block 73, one side of the sliding block 71 is provided with a rack 74, a fixed block 75 is arranged on the working plate 6, a through groove 76 is arranged in the middle of the fixed block 75, the upper part of the fixing block 75 is provided with a through groove 77 communicated with the through groove 76, the rack 74 penetrates into the through groove 76, a third motor 78 is installed on the upper portion of the fixed block 75, a driving gear 79 is installed at the output end of the third motor 78, the lower portion of the driving gear 79 enters the through groove 76 from the through groove 77 and engages with the rack 74.

Specifically, the locking block 73 includes a vertical block 731 and a horizontal block 732, the horizontal block 732 is installed at a lower portion of the vertical block 731, and the horizontal block 732 and the vertical block 731 are combined to form an L-shaped structure. When the table and chair are clamped, the second motor 72 drives the clamping block 73 to rotate, the horizontal block 732 is far away from the table and chair, the lifting assembly 8 drives the working plate 6 to move downwards, the vertical block 731 is located on two sides of the upper portion of the table and chair, the third motor 78 works, the third motor 78 drives the driving gear 79 to rotate, the driving gear 79 drives the rack 74 to move through meshing, the rack 74 drives the sliding block 71 to slide in the sliding groove 61, the vertical block 731 is further driven to be close to the side face of the table and chair, the second motor 72 drives the clamping block 73 to rotate, the horizontal block 732 rotates to the lower portion of the table and chair, and when the lifting assembly 8 is lifted upwards, the horizontal block 732 exerts an upward force on the.

Optionally, a rubber skin is attached to the inner side of the L-shaped structure. Wherein, this setting reduces the destruction to the table chair.

In one embodiment, the lifting assembly 8 includes a fourth motor 81, a transmission shaft 82 is installed at the output end of the fourth motor 81, a driving chain wheel 83 is installed in the middle of the transmission shaft 82, a driving chain 84 is installed on the driving chain wheel 83 in a chain transmission manner, a driving chain wheel 85 is installed on the lower portion of the supporting plate 3, one end of the driving chain 84 is installed on the upper portion of the working plate 6, and the other end of the driving chain 84 bypasses the driving chain wheel 85 and is installed on the lower portion of the working plate 6. The fourth motor 81 drives the transmission shaft 82 to rotate, drives the driving sprocket 83 to rotate, further drives the driving chain 84 to move, and the driving chain 84 drives the working plate 6 to move up and down.

Optionally, a horizontal plate is convexly arranged on the upper portion of the supporting plate 3, and the lifting assembly 8 is mounted on the upper portion of the horizontal plate.

When the device is used, the first motor 25 works, the first motor 25 drives the first bevel gear 26 to rotate, the first bevel gear 26 drives the second bevel gear 28 to rotate, and further drives the screw rods 27 on two sides of the first motor 25 to rotate reversely, so that the two supporting plates 22 move oppositely or oppositely, the distance between the two supporting plates 22 is adjusted, so that tables and chairs with different sizes can be fixed, the two clamping electric cylinders 23 drive the clamping plates 24 to approach each other to clamp the supporting legs tightly, the fourth motor 81 drives the transmission shaft 82 to rotate, drives the driving chain wheel 83 to rotate, and further drives the driving chain 84 to move, the driving chain 84 drives the working plate 6 to move up and down, the second motor 72 drives the clamping block 73 to rotate, so that the horizontal block 732 is far away from the tables and chairs, the lifting assembly 8 drives the working plate 6 to move down, so that the vertical blocks 731 are positioned on two sides of the upper portion of the tables and chairs, the third motor 78 works, drive gear 79 drives rack 74 through the meshing and removes, rack 74 drives sliding block 71 and slides in spout 61, and then drive the side that vertical piece 731 is close to the table chair, second motor 72 drives solid 73 rotations of card, horizontal block 732 rotates the lower part to the table chair, it provides the pulling force that lasts to carry and draws subassembly 8, carry out tensile strength to the table chair and detect, left electric jar 4 and right electric jar 5 provide horizontal hunting's power for backup pad 3, make the table chair also bear the pendulum power about bearing tensile, the service environment of simulation table chair, carry out diversified detection to the table chair, improve the factory quality assurance of table chair.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.

It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.

Claims

1. The strength detection device of the leisure table and chair is characterized by comprising a bottom plate, wherein a leg fixing component is installed on the upper portion of the bottom plate, a supporting plate is installed on one side of the bottom plate in a sliding mode, a left electric cylinder and a right electric cylinder are installed on the two sides of the supporting plate respectively, the left electric cylinder and the right electric cylinder are fixedly connected with the bottom plate respectively, a working plate is installed on the side face of the supporting plate in a sliding mode, clamping components are installed on four corners of the working plate, a lifting component is installed on the upper portion of the supporting plate, and the lifting component is in transmission connection with the working plate.

2. The strength detection device of the leisure table and chair according to claim 1, wherein the leg fixing component comprises two sets of slide rails, two bearing plates are slidably mounted on the upper portions of the slide rails, a driving component for driving the two bearing plates to move oppositely or oppositely is mounted in the middle of the slide rails, two clamping electric cylinders are mounted on the upper portions of the bearing plates, the two clamping electric cylinders and the bearing plates are in 45-degree angles in the moving direction, clamping plates are mounted at the output ends of the clamping electric cylinders, and the clamping plates are L-shaped plates.

3. The strength detection device of the leisure table and chair according to claim 2, wherein the driving assembly comprises a first motor, a first bevel gear is mounted at an output end of the first motor, two screw rods are rotatably mounted on both sides of the first motor, a second bevel gear is mounted on one side of each screw rod close to the first motor, the first bevel gear is meshed with the second bevel gear, and one end of each screw rod, far away from the first motor, is in threaded transmission connection with the supporting plate.

4. The apparatus of claim 1, wherein the fixing member comprises a sliding block, the working plate has a through slot, the sliding block is slidably mounted in the through slot, a second motor is mounted on an upper portion of the sliding block, a fixing block is mounted at an output end of the second motor, a rack is mounted on one side of the sliding block, a fixing block is mounted on the working plate, a through slot is formed in a middle portion of the fixing block, a through slot communicated with the through slot is formed in an upper portion of the fixing block, the rack penetrates into the through slot, a third motor is mounted on an upper portion of the fixing block, a driving gear is mounted at an output end of the third motor, and a lower portion of the driving gear enters the through slot from the through slot and is meshed with the rack.

5. The apparatus for detecting strength of a leisure table and chair according to claim 4, wherein the locking block comprises a vertical block and a horizontal block, the horizontal block is installed at a lower portion of the vertical block, and the horizontal block and the vertical block are combined into an L-shaped structure.

6. The apparatus for detecting strength of a leisure table and chair according to claim 5, wherein a rubber skin is attached to the inside of the L-shaped structure.

7. The apparatus of claim 1, wherein the lifting assembly comprises a fourth motor, a transmission shaft is installed at an output end of the fourth motor, a driving sprocket is installed in a middle portion of the transmission shaft, a driving chain is installed on the driving sprocket in a chain transmission manner, a driving sprocket is installed at a lower portion of the supporting plate, one end of the driving chain is installed at an upper portion of the working plate, and the other end of the driving chain bypasses the driving sprocket and is installed at a lower portion of the working plate.

8. The apparatus for detecting strength of a leisure table and chair according to claim 1, wherein a horizontal plate is protruded from an upper portion of the support plate, and the pulling member is installed on an upper portion of the horizontal plate.