CN116448587A - Mattress pressure testing device - Google Patents
Mattress pressure testing device Download PDFInfo
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- CN116448587A CN116448587A CN202310436340.8A CN202310436340A CN116448587A CN 116448587 A CN116448587 A CN 116448587A CN 202310436340 A CN202310436340 A CN 202310436340A CN 116448587 A CN116448587 A CN 116448587A
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 93
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008602 contraction Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 23
- 238000003825 pressing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/066—Special adaptations of indicating or recording means with electrical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a mattress pressure testing device, which mainly relates to the technical field of mattress pressure testing, and comprises a base, wherein a supporting seat is fixedly arranged on the base, a first clamping plate and a second clamping plate are slidably arranged on the supporting seat, a screw rod assembly is arranged on the base, a positioning center block is slidably arranged on the screw rod assembly, the positioning center block is fixedly connected with a positioning frame, a large turntable is rotatably arranged on the positioning frame, a movable plate is slidably arranged on the large turntable, a detection assembly is arranged on the movable plate, a pressure adjusting assembly is also arranged on the positioning frame, a telescopic shell is slidably arranged on the positioning frame, and a contraction plate is slidably arranged on the telescopic shell; the invention can fix mattresses with different sizes, can adjust pressure and frequency during detection, and can simulate people with different heights to test the mattresses.
Description
Technical Field
The invention mainly relates to the technical field of mattress pressure testing, in particular to a mattress pressure testing device.
Background
The mattress mainly comprises a spring mattress, a palm mattress, a latex mattress, a water mattress, an inclined surface spine protection mattress, an air mattress, a magnetic mattress and the like, wherein the spring mattress occupies a larger proportion, and in the production process of the mattress, the spring mattress needs to be subjected to pressure test to see whether the mattress meets the production standard or not, and the pressure test in the prior art adopts a rolling test method by using rollers.
Also, for example, chinese patent publication No. CN105158008B discloses a device for testing a mattress with simulated human body pressure distribution, which comprises a platform frame, a human body model and a middle bearing suspension frame, wherein the device can simulate the height and weight of a human body to test the mattress, but the device has several disadvantages, the size of the mattress is generally different, the mattress is not reinforced and is easy to move, the device cannot adjust the pressure during the test, and only can simulate a human body with a fixed height to test, and the pressure test is not accurate enough.
Disclosure of Invention
First, the technical problem to be solved
In view of the above-mentioned problems, the present invention needs to provide a mattress pressure testing device, which can fix mattresses of different sizes, adjust pressure and frequency during detection, and simulate people of different heights to test mattresses.
(II) technical scheme
The invention provides a mattress pressure testing device, which comprises a testing mechanism, wherein the testing mechanism comprises a base, a supporting seat is fixedly arranged on the base, a first clamping plate and a second clamping plate are slidably arranged on the supporting seat, the supporting seat is used for placing a mattress, the first clamping plate and the second clamping plate are used for fixing the mattress, a screw rod assembly is arranged on the base, a positioning center block is slidably arranged on the screw rod assembly, a positioning frame is fixedly arranged on the positioning center block, a large turntable is rotatably arranged on the positioning frame, a moving plate is slidably arranged on the large turntable, a detection assembly is arranged on the moving plate, a pressure adjusting assembly is rotatably arranged on the positioning frame, a telescopic shell is slidably arranged on the positioning frame, and a contraction plate is slidably arranged on the telescopic shell.
Further, the first clamping plate comprises two axisymmetric first clamping frames, the first clamping frames are slidably mounted on the supporting seat, each first clamping frame is rotationally connected with one first connecting rod, the first connecting rods are rotationally mounted on the first rotary table, the centers of the two first connecting rods are symmetric, and the first rotary table is fixedly mounted on an output shaft of the first motor; the second clamping plate comprises two axisymmetric second clamping frames which are slidably mounted on the supporting seat, each second clamping frame is rotatably connected with a second connecting rod, the second connecting rods are rotatably mounted on a second rotary table, the centers of the two second connecting rods are symmetrical, and the second rotary table is fixedly mounted on an output shaft of a second motor.
Further, the lead screw assembly comprises a left positioning lead screw and a right positioning lead screw, the left positioning lead screw and the right positioning lead screw are rotatably arranged on a base, a long positioning guide rod and a short positioning guide rod are fixedly arranged on the base, a first positioning slide rod is slidably arranged on the left positioning lead screw and the long positioning guide rod, a second positioning slide rod is slidably arranged on the right positioning lead screw and the short positioning guide rod, a positioning center block is slidably arranged on the first positioning slide rod and the second positioning slide rod, and the first positioning slide rod and the second positioning slide rod drive a positioning frame on the positioning center block to move.
Further, the positioning frame comprises a positioning center frame which is fixedly arranged on a positioning center block, a transverse plate is fixedly arranged on the positioning center block, and a vertical shaft is slidably arranged on the positioning center block; the telescopic shell is fixedly arranged on the vertical shaft, and a large spring is arranged between the telescopic shell and the transverse plate; the locating center block is also fixedly provided with a lower side frame, and the lower side frame is rotatably provided with a pressure adjusting component.
Further, the pressure adjusting assembly comprises a cam group and a driving screw rod, the cam group comprises an adjusting large cam, the adjusting large cam is fixedly connected with an adjusting first gear, the adjusting large cam is rotatably mounted on a lower side frame and is fixedly connected with an adjusting second gear, the adjusting middle cam is rotatably mounted on the lower side frame and is fixedly connected with an adjusting third gear, and the adjusting small cam is rotatably mounted on a transverse plate and is rotatably mounted on a transverse plate.
Further, the driving screw rod comprises an adjusting screw rod, the adjusting screw rod is fixedly connected with an output shaft of the adjusting fixed motor, the adjusting screw rod is rotatably mounted on the adjusting frame, an adjusting screw thread seat is slidably mounted on the adjusting screw rod, an adjusting sliding motor is fixedly mounted on the adjusting screw thread seat, and an adjusting gear is fixedly mounted on an output shaft of the adjusting sliding motor.
Further, a transmission assembly is arranged on the telescopic shell, and the telescopic plate comprises a telescopic first plate and a telescopic second plate; the transmission assembly comprises a telescopic driving gear and a telescopic driven gear, the telescopic driving gear is meshed with the telescopic driven gear, the telescopic driving gear is fixedly arranged on an output shaft of the telescopic driving motor, the telescopic driving gear and the telescopic driven gear are respectively connected with a group of belt assemblies, the belt assemblies connected with the telescopic driving gear drive a telescopic long rotating rod to rotate, a telescopic first gear is fixedly arranged on the telescopic long rotating rod, the belt assemblies connected with the telescopic driven gear drive a telescopic short rotating rod to rotate, and a telescopic second gear is fixedly arranged on the telescopic short rotating rod; the telescopic first rack and the telescopic second rack are fixedly arranged on the telescopic first plate; the telescopic third rack and the telescopic fourth rack are fixedly arranged on the telescopic second plate.
Further, a large gear ring is fixedly arranged on the large turntable, and a steering motor and a steering gear are arranged on the positioning center block; the large turntable is provided with a mobile motor and a mobile gear, and the mobile plate is fixedly provided with a mobile rack.
Further, movable plate on fixed mounting have and detect the mount, slidable mounting has on the detection mount and detects and remove the frame, be equipped with the catch bar on the detection mount, fixed mounting has reset motor on the removal frame, fixed mounting has the grinding wheel on reset motor's the output shaft, fixed mounting has the ampere meter on the movable plate, is connected with two circuits on the ampere meter, slidable mounting has the measuring stick on the movable plate, the one side that the measuring stick is close to the grinding wheel is the roughness, fixed mounting has the measuring resistor in the measuring stick, is equipped with the spout on the measuring stick, one of them and measuring resistor fixed connection in two circuits, another card contacts with measuring resistor in the spout of measuring stick.
Further, the movable frame comprises a detection sliding frame, a detection second column and a detection first column are fixedly arranged on the detection sliding frame, and the detection sliding frame is fixedly connected with a reset motor; the push rod comprises a detection motor, an output shaft of the detection motor is fixedly connected with a detection front rotary rod, the detection rear rotary rod is rotatably mounted on a detection fixing frame, a detection clamp spring is fixedly mounted on the detection fixing frame, the detection front rotary rod is pushed to move when being rotated, and the detection rear rotary rod is pushed to move when being detected.
Compared with the prior art, the invention has the beneficial effects that: 1. the invention is provided with the first clamping plate and the second clamping plate, the first clamping plate and the second clamping plate are both arranged on the supporting seat in a sliding way, the mattress can be tightly fixed by utilizing the two clamping plates, the pressure test on the mattress is convenient, and the invention can be suitable for fixing mattresses with different sizes and is flexible to use; 2. the invention is provided with the screw rod assembly, when the left positioning screw rod and the right positioning screw rod in the screw rod assembly rotate, the left positioning screw rod and the right positioning screw rod can slide back and forth and left and right with the positioning center block, so that the left positioning screw rod and the right positioning screw rod can move to any place above a mattress with the positioning frame for testing, and the mattress can be comprehensively tested; 3. the vertical shaft is arranged on the positioning center frame, the telescopic shell is arranged on the vertical shaft, the lower side frame is fixedly arranged on the positioning center block, the pressure adjusting component is rotatably arranged on the lower side frame, after the cam component in the pressure adjusting component is matched with the driving screw rod, the pressure applied to the mattress can be adjusted, various detection requirements can be met, the pressing frequency can be adjusted, and the telescopic shell is also connected with a large spring, so that the auxiliary pressing test can be better carried out; 5. the transmission assembly is arranged on the telescopic shell and is used for driving the telescopic first plate and the telescopic second plate to slide, so that the two telescopic plates are unfolded to different lengths, the test of the pressure applied by the human body with different heights to the mattress can be simulated, the test mode is more diversified, and the test result can be more accurate; 6. the invention is provided with the rotatable large turntable, the movable plate is also arranged on the large turntable in a sliding way, so that the movable plate can be driven to rotate and slide, any point on a mattress is detected, the movable frame is arranged on the detection fixed frame in a sliding way, the detection fixed frame is provided with the push rod, the push rod drives the movable frame to slide, the measuring rod slides downwards to carry out detection, two circuits are connected on the ammeter, the detection resistor is fixedly arranged in the measuring rod, one of the two circuits is fixedly connected with the detection resistor, the other circuit is clamped in the chute and is in contact connection with the detection resistor, a passage is formed, the current value obtained by switching on the length of the detection resistor when the mattress is not stressed is compared with the current value obtained by switching on the length of the detection resistor after the mattress is pressurized, the length of the detection resistor is switched on and the current value are set to be a certain ratio, finally, whether rebound meets the requirement after the mattress is pressurized or not is obtained, and the detection result is more accurate by using a circuit resistor switching-on method.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of a first partial angle structure of the testing mechanism of the present invention.
FIG. 3 is a schematic view of a second partial angle structure of the testing mechanism of the present invention.
FIG. 4 is a schematic view of a partial third angular structure of the testing mechanism of the present invention.
FIG. 5 is a schematic view of a fourth partial angular structure of the testing mechanism of the present invention.
FIG. 6 is a schematic view of a partial fifth angle structure of the testing mechanism of the present invention.
FIG. 7 is a schematic view of a part of a sixth angle structure of the testing mechanism of the present invention.
Fig. 8 is a schematic view of the mounting positions of the telescoping first plate and telescoping second plate of the present invention.
FIG. 9 is a schematic view of a part of a seventh angle structure of the testing mechanism of the present invention.
FIG. 10 is a schematic view of the mounting position of the detection clamp spring according to the present invention.
FIG. 11 is a schematic view of a test mechanism according to the present invention.
Fig. 12 is an enlarged partial schematic view of fig. 11 at a.
FIG. 13 is a schematic view of a test mechanism according to a ninth embodiment of the present invention.
Fig. 14 is a cross-sectional view taken at A-A of fig. 13.
Reference numerals: 1-a testing mechanism; 2-mattress; 101-a base; 102-a first clamping frame; 103-a supporting seat; 104-a second clamping frame; 105-a second link; 106-a second turntable; 107-a second motor; 108-a first turntable; 109-a first link; 110-a first motor; 111-a first guide bar; 112-a second guide bar; 113-positioning a left motor; 114-positioning a left screw rod; 115-positioning a first slide bar; 116-positioning a right screw rod; 117-positioning a second slide bar; 118-positioning the right motor; 119-positioning a long guide rod; 120-positioning a center block; 121-positioning a center frame; 122-positioning short guide rods; 123-large turntable; 124-a mobile motor; 125-a mobile gear; 126-moving racks; 127-large gear ring; 128-steering gear; 129-steering motor; 130-side panels; 131-lower side frame; 132-vertical axis; 133-a cross plate; 134-large springs; 135-moving plate; 136-adjusting the fixed motor; 137-adjusting the screw seat; 138-adjusting the slide motor; 139-adjusting gears; 140-adjusting a screw rod; 141-an adjustment frame; 142-adjusting the first gear; 143-adjusting the large cam; 144-adjusting the middle cam; 145-adjusting the second gear; 146-adjusting small cam; 147-adjusting the third gear; 148-telescoping auxiliary plate; 149-telescoping housing; 150-telescoping long rotating rod; 151-telescoping first gear; 152-telescoping first plate; 153-telescoping first rack; 154-telescoping second rack; 155-telescoping second plate; 156-telescoping pulley; 157-telescoping short turn bar; 158-telescoping second gear; 159-telescoping third rack; 160-telescoping driven gear; 161-telescoping drive belt; 162-telescoping fourth rack; 163-telescopic drive motor; 164-telescoping drive gear; 165-measuring rod; 166—ammeter; 167-line; 168-resetting the motor; 169-grinding wheel; 170-detecting a fixing frame; 171-detecting a motor; 172-detecting a front rotating rod; 173-detecting the rear rotating rod; 174-detecting the first column; 175-detecting a carriage; 176-detecting a second column; 177-detecting a clamp spring; 178-sense resistor.
Detailed Description
The invention is further described below in connection with specific embodiments, which are presented by way of illustration of exemplary embodiments of the invention and illustration of the invention, but not by way of limitation.
Examples: the mattress pressure testing device as shown in fig. 1-14 comprises a testing mechanism 1 and a mattress 2, wherein the testing mechanism 1 comprises a base 101, a supporting seat 103 is fixedly arranged on the base 101, the supporting seat 103 is used for placing the mattress 2 to be tested, and a first guide rod 111 and a second guide rod 112 are fixedly arranged on the supporting seat 103.
The first clamping plate comprises two axisymmetric first clamping frames 102, the first clamping frames 102 are slidably mounted on a supporting seat 103 and a first guide rod 111, each first clamping frame 102 is rotatably connected with one first connecting rod 109, the first connecting rods 109 are rotatably mounted on a first rotary table 108, the first rotary table 108 is rotatably mounted on the supporting seat 103, the two first connecting rods 109 are centrally symmetric, the first rotary table 108 is fixedly mounted on an output shaft of a first motor 110, the first motor 110 is fixedly mounted on the supporting seat 103, the two first clamping frames 102 are started simultaneously to clamp and fix a mattress 2, and the sliding of the first clamping frames 102 can adapt to mattresses 2 with different sizes.
The second clamping plate comprises two axisymmetric second clamping frames 104, the second clamping frames 104 are slidably mounted on the supporting seat 103 and the second guide rod 112, each second clamping frame 104 is rotatably connected with a second connecting rod 105, the second connecting rods 105 are rotatably mounted on the second rotary table 106, the two second connecting rods 105 are centrosymmetrically, the second rotary table 106 is fixedly mounted on an output shaft of the second motor 107, the second motor 107 is fixedly mounted on the base 101, the two second clamping frames 104 simultaneously slide to clamp the mattress 2, and the sliding arrangement of the second clamping frames 104 can adapt to mattresses 2 with different sizes.
The screw rod assembly comprises a left positioning screw rod 114 and a right positioning screw rod 116, the left positioning screw rod 114 and the right positioning screw rod 116 are rotatably arranged on the base 101, the left positioning screw rod 114 is fixedly connected with an output shaft of a left positioning motor 113, the left positioning motor 113 is fixedly arranged on the base 101, a long positioning guide rod 119 and a short positioning guide rod 122 are fixedly arranged on the base 101, a first positioning slide rod 115 is slidably arranged on the left positioning screw rod 114 and the long positioning guide rod 119, screw thread seats are fixedly arranged on two sides of the first positioning slide rod 115, a second positioning slide rod 117 is slidably arranged on the right positioning screw rod 116 and the short positioning guide rod 122, screw thread seats are fixedly arranged on two ends of the second positioning slide rod 117, a positioning center block 120 is slidably arranged on the second guide rod 112 and the second positioning slide rod 117, and the first positioning slide rod 115 and the second positioning slide rod 117 slide so that the positioning center block 120 can slide to any point on the mattress 2 for detection.
The positioning frame comprises a positioning center frame 121, the positioning center frame 121 is fixedly arranged on a positioning center block 120, a transverse plate 133 is fixedly arranged on the positioning center block 120, and a vertical shaft 132 is slidably arranged on the positioning center block 120; the telescopic housing 149 is fixedly arranged on the vertical shaft 132, a large spring 134 is arranged between the telescopic housing 149 and the transverse plate 133, one end of the large spring 134 is fixedly arranged on the transverse plate 133, the other end of the large spring is fixedly arranged on the telescopic housing 149, and the telescopic housing 149 is slidably arranged for simulating human bodies with different heights to perform tests; the positioning center block 120 is also fixedly provided with a lower side frame 131, and the lower side frame 131 is rotatably provided with a pressure adjusting assembly.
The pressure adjusting assembly comprises a cam group and a driving screw rod, the cam group comprises an adjusting large cam 143, the adjusting large cam 143 is fixedly connected with an adjusting first gear 142, the adjusting large cam 143 and the adjusting first gear 142 are rotatably mounted on a lower side frame 131, an adjusting middle cam 144 and an adjusting second gear 145 are fixedly connected, the adjusting middle cam 144 and the adjusting second gear 145 are rotatably mounted on the lower side frame 131, an adjusting small cam 146 and an adjusting third gear 147 are fixedly connected, the adjusting small cam 146 and the adjusting third gear 147 are rotatably mounted on a transverse plate 133, and the adjusting large cam 143, the adjusting middle cam 144 and the adjusting small cam 146 are different in size, so that the pressure applied to the mattress 2 can be adjusted.
The driving screw rod comprises an adjusting screw rod 140, the adjusting screw rod 140 is fixedly connected with an output shaft of an adjusting fixed motor 136, the adjusting fixed motor 136 is fixedly arranged on a telescopic shell 149, the adjusting screw rod 140 is rotatably arranged on an adjusting frame 141, the adjusting frame 141 is fixedly arranged on the telescopic shell 149, an adjusting screw thread seat 137 is slidably arranged on the adjusting screw rod 140, an adjusting sliding motor 138 is fixedly arranged on the adjusting screw thread seat 137, an adjusting gear 139 is fixedly arranged on an output shaft of the adjusting sliding motor 138, the adjusting sliding motor 138 is a variable frequency motor, and the variable frequency motor can adjust the pressing frequency of the mattress 2; the adjusting gear 139 is respectively matched with the adjusting first gear 142, the adjusting second gear 145 and the adjusting third gear 147, and can drive cams with different sizes to rotate so as to adjust the pressure applied to the mattress 2.
A transmission assembly is arranged on the telescopic shell 149, the telescopic plate comprises a telescopic first plate 152 and a telescopic second plate 155, and a telescopic auxiliary plate 148 is fixedly arranged on the telescopic shell 149; the transmission assembly includes a telescoping drive gear 164 and a telescoping driven gear 160, the telescoping drive gear 164 is engaged with the telescoping driven gear 160, the telescoping drive gear 164 is fixedly mounted on the output shaft of the telescoping drive motor 163, the telescoping drive motor 163 is fixedly mounted on the telescoping housing 149, and the telescoping drive gear 164 and telescoping driven gear 160 are respectively connected with a set of belt assemblies.
The belt assembly connected with the telescopic driving gear 164 drives the telescopic long rotating rod 150 to rotate, the telescopic first gear 151 is fixedly arranged on the telescopic long rotating rod 150, the belt assembly connected with the telescopic driven gear 160 drives the telescopic short rotating rod 157 to rotate, the telescopic second gear 158 is fixedly arranged on the telescopic short rotating rod 157, the telescopic first gear 153 and the telescopic second gear 154 are fixedly arranged on the telescopic first plate 152, and the telescopic first gear 151, the telescopic first gear 153 and the telescopic second gear 154 form gear-rack matching; the telescopic third rack 159 and the telescopic fourth rack 162 are fixedly arranged on the telescopic second plate 155, and the telescopic second gear 158, the telescopic third rack 159 and the telescopic fourth rack 162 form a gear-rack fit; the second and first panels 155, 152 are slidably extended to adjust the force area on the mattress 2, and are also tested by simulating individuals of different heights.
The belt assembly comprises two telescopic pulleys 156 and a telescopic driving belt 161, and the specific connection relation of the belt assembly connected by the telescopic driven gear 160 is as follows: one telescopic belt pulley 156 is fixedly arranged on the telescopic rotary rod 157, the other telescopic belt pulley 156 is fixedly arranged on the telescopic driven gear 160, and a telescopic driving belt 161 is sleeved on the two telescopic belt pulleys 156; the belt assembly connected by the telescopic driving gear 164 has the following specific connection relation: one telescopic pulley 156 is fixedly mounted on the telescopic driving gear 164, the other telescopic pulley 156 is fixedly mounted on the telescopic long rotating rod 150, and the telescopic driving belt 161 is sleeved on the two telescopic pulleys 156.
The fixed mounting has detection mount 170 on the movable plate 135, the movable mount is including detecting the balladeur train 175, detect balladeur train 175 slidable mounting is on detecting mount 170, detect and detect second post 176 and detect first post 174 on the balladeur train 175, detect balladeur train 175 and reset motor 168 fixed connection, reset motor 168 slidable mounting is on movable plate 135, fixed mounting has grinding wheel 169 on the output shaft of reset motor 168, fixed mounting has ampere meter 166 on the movable plate 135, be connected with two circuits 167 on the ampere meter 166, slidable mounting has measuring rod 165 on the movable plate 135, the one side that measuring rod 165 is close to grinding wheel 169 is the roughness, fixed mounting has detection resistance 178 in the measuring rod 165, be equipped with the spout on the measuring rod 165, one of them and detection resistance 178 fixed connection in two circuits 167, another slidable mounting is in the spout of measuring rod 165 and with detection resistance 178 contact, form circuit intercommunication.
The push rod comprises a detection motor 171, the detection motor 171 is fixedly arranged on a detection fixing frame 170, an output shaft of the detection motor 171 is fixedly connected with a detection front rotating rod 172, the detection front rotating rod 172 is rotatably arranged on the detection fixing frame 170, a detection rear rotating rod 173 is rotatably arranged on the detection fixing frame 170, a detection clamp spring 177 is arranged between the detection rear rotating rod 173 and the detection fixing frame 170, a detection second column 176 is pushed to move when the detection front rotating rod 172 rotates, and the detection rear rotating rod 173 pushes a detection first column 174 to move.
A large gear ring 127 is fixedly arranged on the large turntable 123, a side plate 130 is fixedly arranged on the positioning center block 120 in a rotating way, a steering motor 129 is fixedly arranged on the side plate 130, a steering gear 128 is fixedly arranged on an output shaft of the steering motor 129, and the steering gear 128 is meshed with the large gear ring 127; the turntable 123 is fixedly provided with a moving motor 124, the output shaft of the moving motor 124 is fixedly provided with a moving gear 125, the moving plate 135 is fixedly provided with a moving rack 126, and the moving gear 125 and the moving rack 126 form a gear-rack fit.
The measuring rod 165 is made of polycarbonate material and has the characteristics of light weight, firmness, durability and insulation.
The working principle of the invention is as follows: the mattress 2 to be detected is placed on the supporting seat 103, then the second motor 107 and the first motor 110 are started, the second motor 107 drives the second turntable 106 to rotate, the second turntable 106 drives the two second connecting rods 105 to rotate, so that the two second clamping frames 104 are driven to slide to clamp and fix the mattress 2, the first motor 110 drives the first turntable 108 to rotate, the first turntable 108 drives the two first connecting rods 109 to rotate, the first connecting rods 109 drive the two first clamping frames 102 to slide to clamp and fix the mattress 2, and the first clamping frames 102 and the second clamping frames 104 slide to adapt to mattresses 2 with different sizes, so that the adaptability is higher.
Then selecting a part on the mattress 2 for detection according to the situation, and detecting the whole surface, and starting a left positioning motor 113 and a right positioning motor 118 to drive a positioning center block 120 to move for positioning when a detection area is selected; the left positioning motor 113 drives the left positioning screw rod 114 to rotate, the left positioning screw rod 114 drives the first positioning slide rod 115 to slide on the long positioning guide rod 119, the right positioning motor 118 drives the right positioning screw rod 116 to rotate, the right positioning screw rod 116 drives the second positioning slide rod 117 to slide on the short positioning guide rod 122, so that the center positioning block 120 can be carried to a place to be detected at will above the mattress 2, and the center positioning frame 121 mounted on the center positioning block 120 moves together.
The invention can simulate the occupied area of a person sitting on the mattress 2 for rebound test, can simulate the occupied area of a person lying on the mattress 2 for test, can simulate the occupied area of persons with different heights, when the simulated person sits on the mattress 2, the telescopic first plate 152 and the telescopic second plate 155 are not unfolded, when the simulated person lies on the mattress 2 and the heights are different, the telescopic driving motor 163 is started to drive the telescopic driving gear 164 and the telescopic driven gear 160 to rotate, the telescopic short rotating rod 157 and the telescopic long rotating rod 150 are respectively driven to rotate through the belt assembly, as shown in fig. 7, the telescopic driving gear 164 rotates clockwise, the telescopic long rotating rod 150 drives the telescopic first gear 151 to rotate, the telescopic first gear 151 is meshed with the telescopic first rack 153 to drive the telescopic first rack 153 to slide, the telescopic first rack 153 is pushed by the telescopic first rack 153 to slide out of the telescopic third rack 159, the telescopic auxiliary plate 148 is supported in an auxiliary manner, and then after the telescopic first gear 151 is separated from the telescopic first rack 153, the telescopic first gear 151 is meshed with the telescopic second rack 154 to continue to slide out of the first plate 152; the telescopic short rotating rod 157 at the other side drives the telescopic second gear 158 to rotate, the telescopic second gear 158 is meshed with the telescopic third rack 159 firstly to drive the telescopic second plate 155 to slide out of the telescopic outer shell 149, then the telescopic second gear 158 is meshed with the telescopic fourth rack 162 to continuously slide along with the telescopic second plate 155, in the process, the unfolding lengths of the telescopic first plate 152 and the telescopic second plate 155 can be adjusted, people with different heights can be simulated to perform testing, and specific heights can be specifically set with other numerical values at actual users.
When the mattress 2 is pressurized, the pressure applied to the mattress 2 can be regulated, and the frequency of the pressure applied can also be regulated, specifically, the regulating fixed motor 136 is started to drive the regulating screw rod 140 to rotate, the regulating screw rod 140 is started to drive the regulating screw seat 137 to slide, the regulating sliding motor 138 is started to drive the regulating gear 139 to rotate, the regulating gear 139 is meshed with any one of the regulating third gear 147, the regulating second gear 145 and the regulating first gear 142, the regulating third gear 147 drives the regulating small cam 146 to rotate, the regulating second gear 145 drives the regulating middle cam 144 to rotate, the regulating first gear 142 drives the regulating large cam 143 to rotate, the regulating large cam 143, the regulating middle cam 144 and the regulating small cam 146 are different in size, the pressure applied to the mattress 2 is also different, and the rotating speed of the regulating sliding motor 138 is changed when the pressure applied frequency is regulated; when cams of different sizes exert pressure on mattress 2, vertical shaft 132 slides within positioning center block 120, and large spring 134 acts as a cushion and rebound.
After the pressure test is finished on the mattress 2, the rebound resilience of the mattress 2 is detected, the mobile motor 124 is started to drive the mobile gear 125 to rotate, the mobile gear 125 is meshed with the mobile rack 126 to drive the mobile plate 135 to slide, the position of the measuring rod 165 is adjusted, and the detection is carried out, when the pressure test is carried out, the steering motor 129 can be started to drive the steering gear 128 to rotate, and the steering gear 128 is meshed with the large gear ring 127 to drive the large turntable 123 to rotate on the positioning center block 120; when the measuring rod 165 moves above the detection point, the detection motor 171 is started to drive the detection front rotating rod 172 to rotate, the detection front rotating rod 172 pushes the detection second column 176 to move, the detection second column 176 drives the detection sliding frame 175 to move, the detection rear rotating rod 173 also pushes the detection first column 174 to move, the detection sliding frame 175 moves with the reset motor 168, the grinding wheel 169 is separated from contact with the measuring rod 165, and under the action of gravity, the measuring rod 165 slides downwards to reach the upper part of the mattress 2, where the detection point is detected.
When the mattress 2 is not under pressure, the measuring rod 165 just contacts with the upper end of the mattress 2, after the line 167 slidably mounted on the measuring rod 165 is connected with the detecting resistor 178, the ammeter 166 displays a current value, that is, the line 167 and a section of length of the detecting resistor 178 form a passage, and the length and the current form a certain ratio; when the mattress 2 is pressed, the measuring rod 165 descends to be in contact with the upper end of the mattress 2, at the moment, after the line 167 which is slidably arranged on the measuring rod 165 is communicated with the detection resistor 178, another current value is displayed through the ammeter 166, at the moment, the line 167 forms a passage with the other section of the detection resistor 178, the difference value of the two currents is calculated by comparing with the current value when the mattress 2 is not pressed, and then the sinking degree of the mattress 2 is obtained according to the ratio between the current and the length of the communicated section on the detection resistor 178, wherein the related principle is that I=U/R; since the measuring rod 165 is light, the measuring rod 165 may rebound several times after descending, and the value on the ammeter 166 is read after waiting for the measuring rod to be stable.
After the detection is completed, the detection motor 171 is started to rotate reversely, the detection front rotating rod 172 is driven to rotate reversely, the detection rear rotating rod 173 is reset under the action of the detection clamp spring 177, the grinding wheel 169 is contacted with the rough surface of the measuring rod 165 again, and then the reset motor 168 is started to drive the grinding wheel 169 to rotate, so that the measuring rod 165 is lifted and reset.
The invention is applicable to the prior art where it is not described.
Claims (10)
1. The utility model provides a mattress pressure testing arrangement, including testing mechanism (1), testing mechanism (1) include base (101), a serial communication port, fixed mounting has supporting seat (103) on base (101), slidable mounting has first chucking board and second chucking board on supporting seat (103), supporting seat (103) are used for placing mattress (2), first chucking board and second chucking board are used for fixed mattress (2), be provided with the lead screw subassembly on base (101), slidable mounting has location center piece (120) on the lead screw subassembly, fixed mounting has the locating rack on location center piece (120), rotatable mounting has carousel (123) on the locating rack, slidable mounting has movable plate (135) on carousel (123), be provided with the detection component on movable plate (135), still rotatable mounting has pressure adjustment subassembly on the locating rack, slidable mounting has flexible shell (149) on the locating rack, flexible shell (149) on slidable mounting have the shrink board.
2. A mattress pressure testing device according to claim 1, wherein the first clamping plate comprises two axisymmetric first clamping frames (102), the first clamping frames (102) are slidably mounted on the supporting base (103), each first clamping frame (102) is rotatably connected with a first connecting rod (109), the first connecting rod (109) is rotatably mounted on a first rotating disc (108), the two first connecting rods (109) are centrosymmetric, and the first rotating disc (108) is fixedly mounted on an output shaft of the first motor (110); the second clamping plate comprises two axisymmetric second clamping frames (104), the second clamping frames (104) are slidably mounted on the supporting seat (103), each second clamping frame (104) is rotatably connected with a second connecting rod (105), the second connecting rods (105) are rotatably mounted on the second rotary table (106), the two second connecting rods (105) are centrosymmetric, and the second rotary table (106) is fixedly mounted on an output shaft of the second motor (107).
3. The mattress pressure testing device according to claim 1, wherein the screw rod assembly comprises a left positioning screw rod (114) and a right positioning screw rod (116), the left positioning screw rod (114) and the right positioning screw rod (116) are rotatably mounted on the base (101), a long positioning guide rod (119) and a short positioning guide rod (122) are fixedly mounted on the base (101), a first positioning slide rod (115) is slidably mounted on the left positioning screw rod (114) and the long positioning guide rod (119), a second positioning slide rod (117) is slidably mounted on the right positioning screw rod (116) and the short positioning guide rod (122), the positioning center block (120) is slidably mounted on the first positioning slide rod (115) and the second positioning slide rod (117), and the first positioning slide rod (115) and the second positioning slide rod (117) drive a positioning frame on the positioning center block (120) to move.
4. A mattress pressure testing device according to claim 3, wherein the positioning frame comprises a positioning center frame (121), the positioning center frame (121) is fixedly arranged on the positioning center block (120), the transverse plate (133) is fixedly arranged on the positioning center block (120), and the vertical shaft (132) is slidably arranged on the positioning center block (120); the telescopic shell (149) is fixedly arranged on the vertical shaft (132), and a large spring (134) is arranged between the telescopic shell (149) and the transverse plate (133); the positioning center block (120) is also fixedly provided with a lower side frame (131), and the lower side frame (131) is rotatably provided with a pressure adjusting assembly.
5. The mattress pressure testing apparatus of claim 4, wherein the pressure adjusting assembly comprises a cam set and a driving screw, the cam set comprises an adjusting large cam (143), the adjusting large cam (143) is fixedly connected with the adjusting first gear (142), the adjusting large cam (143) and the adjusting first gear (142) are rotatably mounted on the lower side frame (131), the adjusting middle cam (144) and the adjusting second gear (145) are fixedly connected, the adjusting middle cam (144) and the adjusting second gear (145) are rotatably mounted on the lower side frame (131), the adjusting small cam (146) and the adjusting third gear (147) are fixedly connected, and the adjusting small cam (146) and the adjusting third gear (147) are rotatably mounted on the transverse plate (133).
6. The mattress pressure testing device according to claim 5, wherein the driving screw comprises an adjusting screw (140), the adjusting screw (140) is fixedly connected with an output shaft of the adjusting and fixing motor (136), the adjusting screw (140) is rotatably mounted on the adjusting frame (141), the adjusting screw (140) is slidably provided with an adjusting screw seat (137), the adjusting screw seat (137) is fixedly provided with an adjusting sliding motor (138), and an output shaft of the adjusting sliding motor (138) is fixedly provided with an adjusting gear (139).
7. A mattress pressure testing device according to claim 4, wherein the telescopic housing (149) is provided with a transmission assembly, the telescopic plate comprising a telescopic first plate (152) and a telescopic second plate (155); the transmission assembly comprises a telescopic driving gear (164) and a telescopic driven gear (160), the telescopic driving gear (164) is meshed with the telescopic driven gear (160), the telescopic driving gear (164) is fixedly arranged on an output shaft of a telescopic driving motor (163), the telescopic driving gear (164) and the telescopic driven gear (160) are respectively connected with a group of belt assemblies, the belt assemblies connected with the telescopic driving gear (164) drive a telescopic long rotating rod (150) to rotate, a telescopic first gear (151) is fixedly arranged on the telescopic long rotating rod (150), the belt assemblies connected with the telescopic driven gear (160) drive a telescopic short rotating rod (157) to rotate, and a telescopic second gear (158) is fixedly arranged on the telescopic short rotating rod (157); the telescopic first rack (153) and the telescopic second rack (154) are fixedly arranged on the telescopic first plate (152); the telescopic third rack (159) and the telescopic fourth rack (162) are fixedly mounted on the telescopic second plate (155).
8. The mattress pressure testing device according to claim 1, wherein the large turntable (123) is fixedly provided with a large gear ring (127), and the positioning center block (120) is provided with a steering motor (129) and a steering gear (128); the large turntable (123) is provided with a mobile motor (124) and a mobile gear (125), and the mobile plate (135) is fixedly provided with a mobile rack (126).
9. The mattress pressure testing device according to claim 8, wherein a detection fixing frame (170) is fixedly installed on the moving plate (135), a moving frame is installed on the detection fixing frame (170) in a sliding mode, a pushing rod is arranged on the detection fixing frame (170), a reset motor (168) is fixedly installed on the moving frame, a grinding wheel (169) is fixedly installed on an output shaft of the reset motor (168), an ammeter (166) is fixedly installed on the moving plate (135), two circuits (167) are connected on the ammeter (166), a measuring rod (165) is installed on the moving plate (135) in a sliding mode, one surface, close to the grinding wheel (169), of the measuring rod (165) is a rough surface, a detection resistor (178) is fixedly installed in the measuring rod (165), a sliding groove is formed in the measuring rod (165), one of the two circuits (167) is fixedly connected with the detection resistor (178), and the other circuit is clamped in the sliding groove of the measuring rod (165) and is in contact with the detection resistor (178).
10. The mattress pressure testing device according to claim 9, wherein the moving frame comprises a detecting carriage (175), a detecting second column (176) and a detecting first column (174) are fixedly arranged on the detecting carriage (175), and the detecting carriage (175) is fixedly connected with the reset motor (168); the push rod comprises a detection motor (171), an output shaft of the detection motor (171) is fixedly connected with a detection front rotating rod (172), a detection rear rotating rod (173) is rotatably mounted on a detection fixing frame (170), a detection clamp spring (177) is fixedly mounted on the detection fixing frame (170), a detection second column (176) is pushed to move when the detection front rotating rod (172) rotates, and a detection first column (174) is pushed to move by the detection rear rotating rod (173).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310436340.8A CN116448587A (en) | 2023-04-23 | 2023-04-23 | Mattress pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310436340.8A CN116448587A (en) | 2023-04-23 | 2023-04-23 | Mattress pressure testing device |
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| Publication Number | Publication Date |
|---|---|
| CN116448587A true CN116448587A (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310436340.8A Withdrawn CN116448587A (en) | 2023-04-23 | 2023-04-23 | Mattress pressure testing device |
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| CN (1) | CN116448587A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929642A (en) * | 2023-09-15 | 2023-10-24 | 深圳市欣冠精密技术有限公司 | Protective testing device for rubber sleeve of mobile communication equipment |
-
2023
- 2023-04-23 CN CN202310436340.8A patent/CN116448587A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929642A (en) * | 2023-09-15 | 2023-10-24 | 深圳市欣冠精密技术有限公司 | Protective testing device for rubber sleeve of mobile communication equipment |
| CN116929642B (en) * | 2023-09-15 | 2024-02-02 | 深圳市欣冠精密技术有限公司 | Protective testing device for rubber sleeve of mobile communication equipment |
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Application publication date: 20230718 |
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