CN111204505A - Positioning and tensioning universal tray for assembling seat framework - Google Patents

Positioning and tensioning universal tray for assembling seat framework Download PDF

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Publication number
CN111204505A
CN111204505A CN202010005875.6A CN202010005875A CN111204505A CN 111204505 A CN111204505 A CN 111204505A CN 202010005875 A CN202010005875 A CN 202010005875A CN 111204505 A CN111204505 A CN 111204505A
Authority
CN
China
Prior art keywords
tensioning
seat
clamping
positioning
tray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010005875.6A
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Chinese (zh)
Inventor
侯敏
戴晓波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Andaotuo Automobile Seat Co ltd
Original Assignee
Dongfeng Andaotuo Automobile Seat Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfeng Andaotuo Automobile Seat Co ltd filed Critical Dongfeng Andaotuo Automobile Seat Co ltd
Priority to CN202010005875.6A priority Critical patent/CN111204505A/en
Publication of CN111204505A publication Critical patent/CN111204505A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • B65D19/44—Elements or devices for locating articles on platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/0081—Elements or devices for locating articles
    • B65D2519/00815—Elements or devices for locating articles on the pallet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/6802—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles
    • B65D2585/6875—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles engines, motors, machines and vehicle parts
    • B65D2585/6882—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles engines, motors, machines and vehicle parts vehicle parts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention relates to a positioning and tensioning universal tray for assembling a seat framework, wherein the seat framework comprises a framework body and two slide rails arranged on the left side and the right side of the lower end of the framework body, a first mounting hole and a second mounting hole are respectively formed in the two slide rails, and the positioning and tensioning universal tray is characterized in that: the tray comprises a tray base and two fixing devices which are respectively arranged on the left side and the right side of the tray base, wherein each fixing device is respectively used for fixing a corresponding slide rail, and one fixing device can move left and right; each fixing device comprises a mounting seat, a positioning mechanism, a tensioning mechanism and a clamping mechanism, wherein the tensioning mechanism, the positioning mechanism and the clamping mechanism which can move back and forth on the mounting seat are sequentially arranged on the mounting seat from front to back; the clamping mechanism can clamp the rear end of the slide rail. The invention is suitable for various seats and meets the detection requirements.

Description

Positioning and tensioning universal tray for assembling seat framework
Technical Field
The invention relates to the technical field of automobile seats, in particular to a positioning and tensioning universal tray for assembling a seat framework.
Background
The automobile seat framework is mounted on the automobile body through the connection of two slide rails below the seat framework and the automobile body through screws. In the production of various OEM seats, due to differences of the chassis structure and environmental elements of the OEM car body, the sizes of the slide rails installed in cooperation with the car body are different, and the size difference of the installation hole positions for arranging screws on the slide rails is large, so that a compatible tray is urgently needed for positioning and locking the slide rails in the production of the seats. The existing compatible tray uses a telescopic pin to position a slide rail, so that the tray is suitable for assembling different seats, and the length of the slide rail of a seat framework is generally about 500mm, so that holes for positioning are limited, and the tray can only be suitable for 3-4 seat frameworks; because the seat skeleton need do work performance after the assembly is accomplished and detect, and current clamping mode is with two holding the claw with the outer rail centre gripping of slide rail of opening to each other, but when doing work performance detects, because the relative slide rail of skeleton body on the slide rail slides and comes the inspection, when sliding, it can take place to interfere to embrace claw and skeleton body upper part, so embrace the requirement that the clamping mode of claw structure only is fit for the assembly of seat skeleton, can't satisfy the demand that detects.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a positioning and tensioning universal tray for assembling a seat framework, which is suitable for various seats and meets the detection requirements.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a seat skeleton assembly's location general tray that rises, seat skeleton include the skeleton body and set up two slide rails of the skeleton body lower extreme left and right sides, two first mounting hole and second mounting hole have been seted up on the slide rail respectively, its difference lies in: the tray comprises a tray base and two fixing devices which are respectively arranged on the left side and the right side of the tray base, wherein each fixing device is respectively used for fixing a corresponding slide rail, and one fixing device can move left and right; each fixing device comprises an installation seat, a positioning mechanism, a tensioning mechanism and a clamping mechanism, the tensioning mechanism, the positioning mechanism and the clamping mechanism which can move back and forth on the installation seat are sequentially arranged on the installation seat from front to back, the positioning mechanism is provided with a positioning pin for positioning the first installation hole, and the tensioning mechanism is provided with a tensioning pin of which the outer diameter can be changed for tensioning the second installation hole; the clamping mechanism can clamp the rear end of the sliding rail.
According to the technical scheme, a plurality of first fixed blocks which are arranged at intervals in the front-back direction are fixed on one of the left side and the right side of the tray base, and each first fixed block is provided with a sliding chute extending in the left-right direction; the fixing device capable of moving left and right is a first fixing device, and a sliding block matched with the sliding groove of the first fixing block is formed at the lower end of the mounting seat of the first fixing device.
According to the technical scheme, a clamping seat is formed on the mounting seat of the first fixing device, a clamping groove is formed in the clamping seat, and a first clamping hole is formed in the clamping groove; the tray is characterized in that a quick clamp is further arranged on the tray base and comprises a main shaft and a rotating handle for driving the main shaft to move left and right, a clamping block capable of moving left and right in the clamping groove along with the main shaft is formed at one end, far away from the rotating handle, of the main shaft, a second clamping hole is formed in the clamping block, and the clamping block penetrates through a first clamping strip and is inserted into the first clamping hole.
According to the technical scheme, each mounting seat is respectively provided with at least one row of jack groups, and each row of jack groups respectively comprise a plurality of jacks which are arranged at intervals along the front-back direction; a first fixing piece is formed at the lower end of the positioning mechanism, a first through hole is formed in the first fixing piece, the mounting base further comprises a first bolt, and the first bolt penetrates through the first through hole and is inserted into the corresponding inserting hole so as to fix the positioning mechanism on the mounting base; the lower end of the tensioning mechanism is provided with a second fixing plate, a second through hole is formed in the second fixing plate, the mounting seat further comprises a second bolt, and the second bolt penetrates through the second through hole and is inserted into the corresponding inserting hole so as to fix the tensioning mechanism on the mounting seat.
According to the technical scheme, a plurality of rows of jack groups which are arranged at intervals along the left and right directions are respectively arranged on each mounting seat; a plurality of first fixing sheets are formed at the lower end of the positioning mechanism, the first fixing sheets are arranged in one-to-one correspondence with the jack groups, and at least one first plug pin is arranged; the second fixing pieces are arranged in one-to-one correspondence with the jack groups, and at least one second bolt is arranged.
According to the technical scheme, the left side and the right side of the upper end of the positioning mechanism are respectively provided with a first clamping plate for limiting the slide rail; and the left side and the right side of the upper end of the tensioning mechanism are respectively provided with a second clamping plate for limiting the sliding rail.
According to the technical scheme, the tensioning pins are two semi-tensioning units which have the same structure and are symmetrically arranged, and the two semi-tensioning units can move oppositely or back to back; the lower ends of the two semi-tensioning units are symmetrically provided with hollowed parts, and the hollowed parts of the two semi-tensioning units together enclose a conical groove; the tensioning mechanism further comprises a guide seat, a first air cylinder fixed at the lower end of the guide seat and a taper pin pushed by the first air cylinder to move up and down, the guide seat is provided with a push cavity which is communicated up and down, the upper end of the taper pin is constructed into a taper structure with an upward pointed top, and the taper pin penetrates through the push cavity and is inserted into the taper grooves at the lower ends of the two semi-tensioning units; when the taper pin moves up or down, the two semi-tensioning units are pushed to move back to back or opposite to each other respectively so that the outer diameter of the tensioning pin is increased or decreased, and the second mounting hole of the sliding rail is tensioned in a matched manner.
According to the technical scheme, the guide seat is fixed at the upper end of the cylinder body of the first cylinder, and the taper pin is in threaded connection with the piston rod of the first cylinder.
According to the technical scheme, the clamping mechanism comprises a second cylinder and a clamping plate, the cylinder body of the clamping mechanism is fixed on the mounting seat, the clamping plate is connected with a piston rod of the second cylinder, and the second cylinder drives the clamping plate to move back and forth to clamp or loosen the rear end of the sliding rail.
Compared with the prior art, the invention has the beneficial characteristics that: the positioning and tensioning universal tray assembled by the seat framework has the advantages that one fixing device can move left and right and is suitable for clamping two sliding rails with various intervals; the seat is provided with a tensioning mechanism, a positioning mechanism and a clamping mechanism which can move back and forth on the seat in sequence from front to back, and the seat is suitable for clamping various slide rails with different intervals between the hole positions.
Drawings
FIG. 1 is a schematic structural view of a positioning and tensioning universal tray for assembling a seat frame according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion B of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion C of FIG. 1 according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion D of FIG. 1 according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the tensioning mechanism in the embodiment of the invention;
FIG. 7 is a top view of a positioning and tensioning universal tray for use in assembling a seat frame according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view taken along line E-E of FIG. 7 in accordance with an embodiment of the present invention;
FIG. 9 is a schematic diagram of a positioning and tensioning universal tray for assembling a seat frame, including the seat frame, according to an embodiment of the present invention;
FIG. 10 is an enlarged view of a portion F of FIG. 9 according to an embodiment of the present invention;
FIG. 11 is an enlarged view of a portion G of FIG. 9 according to an embodiment of the present invention;
wherein: 1-a seat framework (101-a sliding rail (1011-a second mounting hole)), 2-a tray base, 3-a fixing device (301-a mounting seat (3011-a clamping groove, 3012-a first clamping hole, 3013-a jack, 3014-a first bolt, 3015-a second bolt, 3016-a clamping seat, 3017-a sliding block), 302-a positioning mechanism (3021-a positioning pin, 3022-a first through hole, 3023-a first clamping plate, 3024-a first fixing plate), 303-a tensioning mechanism (3031-a second through hole), 3032-a second clamping plate, 3033-a tensioning pin (30331-a semi-tensioning unit (30331 a-an outer wall of the semi-tensioning unit), 30332-a conical groove, d 1-an outer diameter of the tensioning pin), 3034-a reset spring seat (30341-a reset cavity, a reset spring seat (3031-a first clamping groove, a 3012-a second clamping groove, a second clamping plate, a, 30342-a reset groove (30342 a-the groove bottom of the reset groove)), 3035-a reset spring, 3036-a guide seat (30361-a push cavity, 30362-a spacing ring), 3037-a first cylinder (30371-a piston rod of the first cylinder, 30372-a cylinder body of the first cylinder), 3038-a taper pin (30381-a second clamping strip), 3039-a heavy-load spring), 304-a clamping mechanism (3041-a second cylinder (30411-a piston rod of the second cylinder, 30412-a cylinder body of the second cylinder), 3042-a clamping plate), 305-a second fixing block, 306-a first fixing block (3061-a sliding groove), 307-a quick clamp (3071-the first clamping strip, 3072-a main shaft (30721-the clamping block (307211-the second clamping hole)), 3073-a rotating handle), 3 a-a second fixing device, 3 b-first fixing means.
Detailed Description
Referring to fig. 1 to 11, a positioning and tensioning universal tray for assembling seat frames according to an embodiment of the present invention is used for assembling and detecting seat frames of various models, wherein the seat frame 1 includes a frame body and two slide rails 101 disposed at left and right sides of a lower end of the frame body, and a first mounting hole located in a middle of the two slide rails 101 and a second mounting hole 1011 located at a front end of the two slide rails are respectively disposed on the two slide rails 101. The positioning and tensioning universal tray for assembling the seat framework comprises a tray base 2 and two fixing devices 3 which are respectively arranged on the left side and the right side of the tray base 2, wherein each fixing device 3 is respectively used for fixing a corresponding slide rail 101, one fixing device 3 can move left and right, and the positioning and tensioning universal tray is suitable for clamping two slide rails 101 with various intervals; each fixing device 3 comprises a mounting seat 301, a positioning mechanism 302, a tensioning mechanism 303 and a clamping mechanism 304, the mounting seat 301 extends in the front-back direction, the tensioning mechanism 303, the positioning mechanism 302 and the clamping mechanism 304 which can move back and forth on the mounting seat 301 are sequentially arranged on the mounting seat 301 from front to back, and the fixing device is suitable for clamping various slide rails 101 with different hole site intervals, the positioning mechanism 302 is provided with a positioning pin 3021 for positioning a first mounting hole of the slide rail 101, and the tensioning mechanism 303 is provided with a tensioning pin 3033 with the outer diameter capable of being changed so as to tension a second mounting hole 1011 on the slide rail 101; the clamping mechanism 304 can be matched with and clamp the rear end of the sliding rail 101; the middle part of the slide rail 101 is firstly positioned by the positioning pin 3021, and then the front end and the rear end are fixed by the tensioning pin 3033 and the clamping mechanism 304, so that the assembly requirement of the seat framework 1 can be detected without interfering with the framework body, and the detection requirement can be met.
Preferably, one of the left and right sides of the tray base 2 is fixed with a plurality of first fixed blocks 306 arranged at intervals along the front-rear direction, each first fixed block 306 is provided with a sliding groove 3061 extending along the left-right direction, and the other side of the left and right sides of the tray base 2 is fixed with a plurality of second fixed blocks 305; the two fixing devices 3 are respectively a second fixing device 3a and a first fixing device 3b capable of moving left and right, a sliding block 3017 capable of moving in a sliding groove 3061 of the first fixing block 306 is formed at the lower end of an installation seat 301 of the first fixing device 3b, the distance between the two fixing devices 3 can be changed, the fixing device is suitable for clamping two sliding rails 101 with various intervals, the installation seat 301 of the second fixing device 3a is fixed on the second fixing block 305, the position of the installation seat 301 of the first fixing device 3b and the position of the installation seat 301 of the second fixing device 3b are on the same horizontal plane, the seat framework 1 is horizontally placed, and detection is facilitated.
Preferably, a clamping seat 3016 is formed on the mounting seat 301 of the first fixing device 3b, a clamping slot 3011 is formed on the clamping seat 3016, and a first clamping hole 3012 is formed in the clamping slot 3011; the tray base 2 is further provided with a quick clamp 307, as described in CN201220603025.7, the quick clamp 307 includes a main shaft 3072 and a rotating handle 3073 for driving the main shaft 3072 to move left and right, a fixture block 30721 capable of moving left and right in the fixture slot 3011 along with the main shaft 3072 is further formed at one end of the main shaft 3072 away from the rotating handle 3073, a second fixture hole 307211 is formed on the fixture block 30721, the first fixture bar 3071 is inserted into the first fixture hole 3012 through the first fixture bar 3071 passing through the second fixture hole 307211, when the setting of the seat frames 1 of different models needs to be changed and detected, the first fixture bar 3071 is pulled out, when the mounting seat 301 of the first fixing device 3b is moved to the corresponding position, the rotating handle 3073 is rotated to drive the fixture block 30721 of the main shaft 3072 to move to the corresponding position in the fixture slot 3011, so that the second fixture hole 307211 of the fixture block 30721 corresponds to the first fixture hole 3012 in the fixture slot 3011, the first fixture bar 3071 is inserted downward, and the position of the first fixture device 3, the distance between the two fixing means 3 can be changed.
Preferably, each mounting seat 301 is provided with at least one row of jack 3013 groups, each row of jack 3013 group comprises a plurality of jacks 3013 arranged at intervals in the front-back direction; a first fixing plate 3024 is formed at the lower end of the positioning mechanism 302, a first through hole 3022 is formed in the first fixing plate 3024, the mounting base 301 further includes a first bolt 3014, and the first bolt 3014 passes through the first through hole 3022 and is inserted into the insertion hole 3013 at the corresponding position, so as to fix the positioning mechanism 302 on the mounting base 301; a second fixing plate 3031 is formed at the lower end of the tensioning mechanism 303, a second through hole 30311 is formed in the second fixing plate 3031, and a second bolt 3015 passes through the second through hole 30311 and is inserted into the jack 3013 at the corresponding position, so that the tensioning mechanism 303 is fixed on the mounting base 301; when the seat frames 1 of different models need to be changed and detected, because the positions of the first mounting hole and the second mounting hole 1011 of the slide rail 101 are different, the first bolt 3014 or the second bolt 3015 is firstly pulled out, the position of the positioning mechanism 302 or the tensioning mechanism 303 is moved back and forth, after the position is moved to the corresponding position, the first bolt 3014 or the second bolt 3015 is then inserted into the corresponding jack 3013, and the position of the positioning mechanism 302 or the tensioning mechanism 303 can be changed.
More preferably, each of the installation bases 301 is provided with a plurality of rows of insertion holes 3013 at intervals in the left-right direction, the lower end of the positioning mechanism 302 is provided with a plurality of first fixing pieces 3024, the first fixing pieces 3024 are arranged in one-to-one correspondence with the insertion holes 3013, and at least one first bolt 3014 is provided; the second fixing pieces 3013 are arranged corresponding to the jacks 3013, and at least one second plug 3015 is provided.
Preferably, the left side and the right side of the upper end of the positioning mechanism 302 are respectively provided with a first clamping plate 3023 for limiting the slide rail 101; the left side and the right side of the upper end of the tensioning mechanism 303 are respectively provided with a second clamping plate 3032 for limiting the slide rail 101, so that the slide rail 101 can be conveniently positioned.
Specifically, the tensioning pins 3033 are two half tensioning units 30331 which have the same structure and are symmetrically arranged, and the two half tensioning units 30331 can move towards each other or back to back; the lower ends of the two half tensioning units 30331 are symmetrically provided with hollowed parts, and the hollowed parts of the two half tensioning units jointly enclose a conical groove 30332; the tensioning mechanism 303 further comprises a guide base 3036, a first cylinder 3037 fixed at the lower end of the guide base, and a taper pin 3038 which is pushed by the first cylinder 3037 to move up and down; the guide seat 3036 is provided with a push cavity 30361 which is penetrated up and down, the upper end of the taper pin 3038 is constructed into a taper structure with an upward pointed tip, and the taper pin 3038 penetrates through the push cavity 30361 and is inserted into a taper groove 30332 at the lower end of the two half tensioning units 30331; because the aperture sizes of the second mounting holes 1011 on the slide rails 101 of the seat frames 1 of different models are generally different, when the taper pin 3038 moves upwards, the two half tensioning units 30331 are pushed to move back and forth respectively so as to increase the outer diameter d1 of the tensioning pin, the second mounting holes 1011 of the slide rails 101 are tensioned, when the taper pin 3038 moves downwards, the two half tensioning units 30331 move towards each other respectively so as to decrease the outer diameter d1 of the tensioning pin, and the second mounting holes 1011 of the slide rails 101 are loosened, so that the seat frames 1 can be suitable for assembling the slide rails 101 of different models.
Preferably, the guide base 3036 is fixed to the upper end of the cylinder body 30372 of the first cylinder, and the taper pin 3038 is in threaded connection with the piston rod 30371 of the first cylinder.
Specifically, the tapered pin 3038 is formed with a second clamping strip 30381 at the periphery; a limiting ring 30362 is formed at the upper end of the inner wall of the push cavity 30361, and a heavy-load spring 3039 clamped with the second clamping strip 30381 of the taper pin 3038 is arranged in the push cavity 30361; the taper pin 3038 is prevented from falling due to insufficient air source after sudden power failure, so that the operation can be continued after the power failure.
Specifically, the tensioning mechanism 303 further includes a reset spring seat 3034 and a reset spring 3035, the reset spring seat 3034 is fixed at the upper end of the guide seat 3036, the reset spring seat 3034 is provided with a reset cavity 30341 which is through up and down, the middle part of the inner wall of the reset cavity 30341 is provided with reset grooves 30342 which are arranged in one-to-one correspondence with the two half tensioning units 30331, the reset spring 3035 is respectively arranged between each reset groove 30342 and the corresponding half tensioning unit 30331, one end of each reset spring 3035 is respectively fixed with the groove bottom 30342a of the corresponding reset groove, the other end of each reset spring 3035 is respectively fixed with the outer wall 30331a of the corresponding half tensioning unit, when the taper pin 3038 moves upwards, the two half tensioning units 30331 respectively move backwards to enlarge the outer diameter d1 of the tensioning pin, and when the taper pin 3038 moves downwards, the two half tensioning units 30331 respectively move downwards under the action of the reset spring 3035 to reduce the outer diameter d 1.
Preferably, the clamping mechanism 304 includes a second cylinder 3041 and a clamp plate 3042, the cylinder 30412 of the second cylinder is fixed on the mounting base 301, the piston rod 30411 of the second cylinder is fixed with the clamp plate 3042, when the seat frame 1 is mounted on the tray, the second cylinder 3041 drives the clamp plate 3042 to move forward to clamp the rear end of the slide rail 101, and when the seat frame 1 is mounted on the tray, the second cylinder 3041 drives the clamp plate 3042 to move backward to release the rear end of the slide rail 101.
Referring to fig. 1 to 11, in a positioning and tensioning universal tray for assembling a seat frame according to an embodiment of the present invention, a fixing device 3 can move left and right and is suitable for clamping two slide rails 101 with various distances; a tensioning mechanism 303, a positioning mechanism 302 and a clamping mechanism 304 which can move back and forth on the mounting base 301 are sequentially arranged from front to back on the mounting base 301, and the mounting base is suitable for clamping various slide rails 101 with different space between hole sites; the two half tensioning units 30331 of the tensioning pin 3033 can move outwards under the action of the return spring 3035 to change the outer diameter d1 of the tensioning pin 3033; the lower ends of the two half tensioning units 30331 are provided with a tapered groove 30332 together, the tapered pin 3038 penetrates through the push cavity 30361 and the tapered groove 30332 clamped at the lower end of the two half tensioning units 30331, when the tapered pin 3038 moves upwards, the two half tensioning units 30331 are pushed to move outwards respectively to change the outer diameter d1 of the tensioning pin 3033, so that the tensioning pin 3033 is matched with the second mounting hole 1011 of the tensioning slide rail 101, the slide rail 101 is positioned by the positioning pin 3021, then the slide rail 101 is fixed by the tensioning pin 3033 and the clamping plate 3042, when the assembly requirement of the seat framework is detected, the tray does not interfere with the framework body, and the detection requirement can be met.
The above description is provided for the purpose of describing the present invention in more detail, and it should not be construed that the present invention is limited to the description, and it will be apparent to those skilled in the art that various modifications and substitutions can be made without departing from the spirit of the present invention.

Claims (9)

1. The utility model provides a seat skeleton assembly's location general tray that rises, seat skeleton include the skeleton body and set up two slide rails of the skeleton body lower extreme left and right sides, two first mounting hole and second mounting hole, its characterized in that have been seted up on the slide rail respectively: the tray comprises a tray base and two fixing devices which are respectively arranged on the left side and the right side of the tray base, wherein each fixing device is respectively used for fixing a corresponding slide rail, and one fixing device can move left and right; each fixing device comprises an installation seat, a positioning mechanism, a tensioning mechanism and a clamping mechanism, the tensioning mechanism, the positioning mechanism and the clamping mechanism which can move back and forth on the installation seat are sequentially arranged on the installation seat from front to back, the positioning mechanism is provided with a positioning pin for positioning the first installation hole, and the tensioning mechanism is provided with a tensioning pin of which the outer diameter can be changed for tensioning the second installation hole; the clamping mechanism can clamp the rear end of the sliding rail.
2. The positioning and tensioning universal tray for assembling the seat frame as claimed in claim 1, wherein: a plurality of first fixed blocks which are arranged at intervals along the front-back direction are fixed on one of the left side and the right side of the tray base, and each first fixed block is provided with a sliding chute which extends along the left-right direction; the fixing device capable of moving left and right is a first fixing device, and a sliding block matched with the sliding groove of the first fixing block is formed at the lower end of the mounting seat of the first fixing device.
3. The positioning and tensioning universal tray for assembling the seat frame as claimed in claim 1, wherein: a clamping seat is formed on the mounting seat of the first fixing device, a clamping groove is formed in the clamping seat, and a first clamping hole is formed in the clamping groove; the tray is characterized in that a quick clamp is further arranged on the tray base and comprises a main shaft and a rotating handle for driving the main shaft to move left and right, a clamping block capable of moving left and right in the clamping groove along with the main shaft is formed at one end, far away from the rotating handle, of the main shaft, a second clamping hole is formed in the clamping block, and the clamping block penetrates through a first clamping strip and is inserted into the first clamping hole.
4. The positioning and tensioning universal tray for assembling the seat frame as claimed in claim 1, wherein: each mounting seat is provided with at least one row of jack groups respectively, and each row of jack groups respectively comprises a plurality of jacks arranged at intervals along the front-back direction; a first fixing piece is formed at the lower end of the positioning mechanism, a first through hole is formed in the first fixing piece, the mounting base further comprises a first bolt, and the first bolt penetrates through the first through hole and is inserted into the corresponding inserting hole so as to fix the positioning mechanism on the mounting base; the lower end of the tensioning mechanism is provided with a second fixing plate, a second through hole is formed in the second fixing plate, the mounting seat further comprises a second bolt, and the second bolt penetrates through the second through hole and is inserted into the corresponding inserting hole so as to fix the tensioning mechanism on the mounting seat.
5. The positioning and tensioning universal tray for assembling the seat frame as claimed in claim 4, wherein: each mounting seat is provided with a plurality of rows of jack groups which are arranged at intervals along the left-right direction; a plurality of first fixing sheets are formed at the lower end of the positioning mechanism, the first fixing sheets are arranged in one-to-one correspondence with the jack groups, and at least one first plug pin is arranged; the second fixing pieces are arranged in one-to-one correspondence with the jack groups, and at least one second bolt is arranged.
6. The positioning and tensioning universal tray for assembling the seat frame as claimed in claim 1, wherein: the left side and the right side of the upper end of the positioning mechanism are respectively provided with a first clamping plate for limiting the slide rail; and the left side and the right side of the upper end of the tensioning mechanism are respectively provided with a second clamping plate for limiting the sliding rail.
7. The positioning and tensioning universal tray for assembling the seat frame as claimed in claim 1, wherein: the tensioning pins are two semi-tensioning units which have the same structure and are symmetrically arranged, and the two semi-tensioning units can move oppositely or back to back; the lower ends of the two semi-tensioning units are symmetrically provided with hollowed parts, and the hollowed parts of the two semi-tensioning units together enclose a conical groove; the tensioning mechanism further comprises a guide seat, a first air cylinder fixed at the lower end of the guide seat and a taper pin pushed by the first air cylinder to move up and down, the guide seat is provided with a push cavity which is communicated up and down, the upper end of the taper pin is constructed into a taper structure with an upward pointed top, and the taper pin penetrates through the push cavity and is inserted into the taper grooves at the lower ends of the two semi-tensioning units; when the taper pin moves up or down, the two semi-tensioning units are pushed to move back to back or opposite to each other respectively so that the outer diameter of the tensioning pin is increased or decreased, and the second mounting hole of the sliding rail is tensioned in a matched manner.
8. The positioning and tensioning universal tray for assembling the seat frame as claimed in claim 7, wherein: the guide seat is fixed at the upper end of the cylinder body of the first cylinder, and the taper pin is in threaded connection with the piston rod of the first cylinder.
9. A positioning and tensioning universal tray for assembling a seat frame as claimed in any one of claims 1 to 8, wherein: the clamping mechanism comprises a second cylinder and a clamping plate, the cylinder body of the clamping mechanism is fixed on the mounting seat, the clamping plate is connected with a piston rod of the second cylinder, and the second cylinder drives the clamping plate to move back and forth so as to clamp or loosen the rear end of the sliding rail.
CN202010005875.6A 2020-01-03 2020-01-03 Positioning and tensioning universal tray for assembling seat framework Pending CN111204505A (en)

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