CN207945171U

CN207945171U - Assembly connecting piece

Info

Publication number: CN207945171U
Application number: CN201721892113.2U
Authority: CN
Inventors: 茹朝贵; 李燕梅
Original assignee: Zhongshan Yuanheng Household Product Co Ltd
Current assignee: Shenzhen Baojia Sanitary Ware Co Ltd
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2018-10-09
Anticipated expiration: 2027-12-27

Abstract

An assembly connecting piece comprises a positioning plug, a connecting rod and a fixing plug; the positioning plug is provided with a central through hole, and the fixed plug is also provided with a central through hole; when the furniture is produced, positioning plug holes are punched on adjacent boards A, corresponding fixing plug holes are punched on boards B, the positioning plugs are pressed into the positioning plug holes on the boards A to form tight fit, and the fixing plugs 3 are pressed into the corresponding fixing plug holes on the boards B to form tight fit; when the panel is processed, only two holes need to be punched, one hole is punched less than that of the traditional three-piece combined connecting piece, the positioning plug is embedded into the positioning plug hole, the fixing plug is embedded into the fixing plug hole, during field assembly, only the positioning rod of the connecting rod needs to be pressed into the positioning plug, the fixing rod and the connecting rod cap of the connecting rod are pressed into the fixing plug, and then assembly is completed, so that field installation of furniture is more time-saving, the requirement on installation personnel is also reduced, and the assembled furniture is more firm.

Description

A kind of assembly and connection part

Technical field

The utility model is related to a kind of assembly and connection parts for plank frame furniture, belong to the skill of plate fitment assembling Art.

Background technology

Existing plank frame furniture is by will be made of plank assembling combination.Plate fitment mainly passes through one kind at present The combined connection component for being commonly called as three-piece realizes assembling.The three-piece combined connection component mainly by chock plug, connecting rod and partially Heart wheel forms.When producing furniture, chock plug is punched and loads onto on one block of plank, it is another what is be bolted together corresponding future On block plank, the eccentric wheel hole interconnected and connecting rod bores are stamped；When assembling, connecting rod is first screwed into the center of chock plug Hole adjusts the exposed height of connecting rod, then connecting rod is inserted into the connecting rod bores of another piece of paired plates, and connecting-rod cap is made to arrive It up to the fixed position of eccentric wheel hole, then puts eccentric wheel into eccentric wheel hole and screws, eccentric wheel is made to fasten connecting-rod cap, realize two The assembling of block adjacent sheet metal.This assembling mode, to connecting rod, the length of exposed part has higher want from chock plug It asks, if the too long eccentric wheel that can resist prevents eccentric wheel also can not just clasp connecting-rod cap from entering eccentric wheel hole, eccentric wheel, such as Fruit is too short, and connecting-rod cap is not achieved eccentric wheel hole fixed position, eccentric wheel also snatch less than connecting-rod cap.Therefore, connection is adjusted Bar usually needs to spend the more time, once the exposed part outside chock plug of connecting rod is too high or too short, when assembling cannot Eccentric wheel is clasped into corresponding connecting-rod cap, eccentric wheel button occurs and does not live the such situation of connecting-rod cap, it just must will be in assembly Plank separate, readjust the exposed height outside chock plug of connecting rod, since plank is usually all heavier, split it is assembled all more It is time-consuming and laborious.

Therefore, with the mode of three-piece combined connection component when assembling to realize adjacent sheet metal, early period needs in two pieces of phases Three holes are made a call in corresponding position on adjacent plank, and upper chock plug is pre-installed in a hole, and when in-site installation needs to install corresponding company Extension bar and eccentric wheel need after ensureing that connecting rod passes through connecting rod bores, and the exposed length in eccentric wheel hole of connecting-rod cap reaches To requirement, so to consume the useless time longer for in-site installation, and skilled installer is needed to install.

It is, thus, sought for a kind of production, installation more simple and fast, lower plate fitment is required to installation personnel technology Installation connecting element.

Utility model content

The purpose of this utility model is to provide that a kind of Furniture manufacturing process is less, is easily installed, and can effectively contract The furniture construction connector of short set-up time.

The technical solution of the utility model is：A kind of assembly and connection part, including limit plug 1, connecting rod 2 and fixed plug 3；It is fixed Position is equipped with central through hole beyond the Great Wall, and fixation also is provided with central through hole beyond the Great Wall；When producing furniture, positioning is stamped on adjacent plank A Consent stamps corresponding fixed consent on plank B, and limit plug 1 is pressed into the positioning consent on plank A and forms tight fit, fixed Plug 3 is pressed into corresponding fixed consent on plank B and forms tight fit；When assembling, then one end of connecting rod is pressed into limit plug Heart through-hole forms tight fit, then the other end of connecting rod is pressed into the central through hole formation close-fitting of corresponding fixed plug on plank B It closes, realizes the assembling of plank A and plank B.

The connecting rod 2 again including locating rod 21, fixed link 22, fixed head 23 and limit flange 24, fixed link and The connected body 25 that fixed head is less than fixed link outer diameter by one section of outer diameter is connected；It is equipped with and rotation work in fixed head end Has the groove to match；Locating rod is equipped with helicla flute, and the bottom wall of helicla flute is plane, the positioning between adjacent helicla flute Bar wall surface forms wide spiral lamination.

The limit plug 1 is the cylinder with central through hole, is made of positioning hat 11 and positioning skirt 12, positions hat Length is less than the length of positioning skirt；It positions 12 outer wall of skirt and is equipped with a plurality of ring tooth 13 parallel with positioning hat end face；It is preced with from positioning The outer diameter of nearest ring tooth is identical with positioning hat diameter, and self-positioning hat one end of outer diameter of ring tooth 13 is determined to remotely located hat Position skirt end is gradually expanded, and keeps positioning skirt outer diameter tapered；The end outer wall for positioning the remotely located hat of skirt is equipped with the guiding of taper Face；Position a plurality of dentation lug, nib 14 to inner process being equipped in the central through hole of hat through central through hole；Locating rod 21 can The outer wall of the central through hole for entering limit plug under the effect of external force, the locating rod in positioning skirt pushes against dentation from inside to outside Lug, nib 14；It is equipped with more than two open slots extended to positioning hat direction being symmetrically arranged along the end of the positioning remotely located hat of skirt 15。

The fixed plug 3 is the cylinder with central through hole, is made of fixed hat 31 and fixed skirt 32, fixed hat Length is less than more than half of the length of fixed skirt；End of the fixed skirt far from fixed hat is equipped with four extended to fixed hat direction The symmetrical split cavity 33 of item, it is symmetrical that split cavity makes fixed skirt form two or more symmetrical fixinig plates 34 and two or more Locking plate 35；The locking plate 35 is shorter than fixinig plate 34, inner wall of two blocks of locking plates far from fixed hat be equipped with symmetrically to Interior locking plate flange 36 outstanding is equipped with the locking plate groove being recessed inwardly in locking plate outer wall corresponding with locking plate flange 37；It is equipped with a plurality of parallel to each other in the outside wall surface of locking plate 35 between locking plate groove 37 and fixed hat 31 and is filled in fixed The vertical locking plate external tooth 38 in central axes, the locking plate external tooth from fixed hat to the fixation skirt end far from fixed hat by Flaring is big, and the fixed maximum gauge for being preced with nearest locking plate external tooth 38 of distance is equal to or less than the diameter of fixed hat 31；Except with Fixinig plate external tooth 39 a plurality of parallel to each other and corresponding with locking plate external tooth, institute is arranged in the corresponding fixinig plate outer wall of locking plate groove The fixinig plate external tooth stated is gradually expanded from fixed hat to the fixation skirt end far from fixed hat, and distance is fixed to be preced with nearest fixinig plate The maximum gauge of external tooth 39 is equal to or less than the diameter of fixed hat 31；It is high in the fixed fixinig plate external tooth 39 for filling in same cross section Degree makes fixed skirt be more than in the maximum distance of 39 crown of fixinig plate external tooth of same cross section more than the height of locking plate external tooth 38 The distance of 38 crown of locking plate external tooth.

Two symmetrical direction signs are set on fixed hat end face corresponding with the connection central axes of two pieces of fixinig plates, will be consolidated When fixed plug is pressed into the fixation consent reserved on plank B, to make direction sign consistent with the length direction of the end faces plank B, make two pieces to consolidate Stator is located at the both sides of plank B length directions in fixed consent, and two lock sheets is made to be located at plank B width in fixed consent The both sides in direction prevent from swarming in plank B when connecting rod enters fixed plug.

Advantageous effect：

1, in sheet fabrication, it is only necessary to two holes are made a call to, it is fewer than traditional three-piece combined connection component to make a hole, and will Limit plug is nuzzled limit plug hole in advance, and fixed plug is nuzzled fixed consent in advance, when Assembling, it is only necessary to by the locating rod of connecting rod It is pressed into limit plug, the fixed link of connecting rod and connection pole cap, which are pressed into fixed plug, just completes assembling, makes the in-site installation of furniture More time saving, the requirement to installation personnel also reduces, also, the furniture after assembling is more secured.

Description of the drawings：

Fig. 1 is the dimensional structure diagram of the utility model；

Fig. 2 is the figure that pops of the utility model；

Fig. 3 is the dimensional structure diagram of the limit plug of the utility model；

Fig. 4 is the cross-sectional view of the limit plug of the utility model；

Fig. 5 is the vertical view when limit plug of the utility model is individually placed；

Fig. 6 is the vertical view that the limit plug of the utility model is pressed into after positioning consent.

Fig. 7 is the dimensional structure diagram of the connecting rod of the utility model；

Fig. 8 is the dimensional structure diagram of the fixed plug of the utility model；

Fig. 9 is the cross-sectional view of the fixed plug of the utility model；

Figure 10 is vertical view when the fixed plug of the utility model is individually placed；

Figure 11 is that the fixed plug of the utility model is pressed into the vertical view after positioning consent；

Figure 12 is the diagrammatic cross-section after plank A and plank B is bolted together.

Specific implementation mode

As shown in Fig. 1 to Figure 12, a kind of assembly and connection part, including limit plug 1, connecting rod 2 and fixed plug 3；On limit plug Equipped with central through hole, fixation also is provided with central through hole beyond the Great Wall；When producing furniture, positioning consent is stamped on adjacent plank A, Corresponding fixed consent is stamped on plank B, limit plug 1 is pressed into the positioning consent on plank A and forms tight fit, and fixed plug 3 is pressed into Corresponding fixed consent forms tight fit on plank B；When assembling, then one end of connecting rod is pressed into the central through hole shape of limit plug At tight fit, then the other end of connecting rod is pressed into the corresponding fixed central through hole filled on plank B and forms tight fit, realizes plate The assembling of material A and plank B.

The limit plug 1 is the cylinder with central through hole, is made of positioning hat 11 and positioning skirt 12, positions hat Length is less than the length of positioning skirt；It positions 12 outer wall of skirt and is equipped with a plurality of ring tooth 13 parallel with positioning hat end face；It is preced with from positioning The outer diameter of nearest ring tooth is identical with positioning hat diameter, and self-positioning hat one end of outer diameter of ring tooth 13 is determined to remotely located hat Position skirt end is gradually expanded, and keeps positioning skirt outer diameter tapered.The end outer wall for positioning the remotely located hat of skirt is equipped with the guiding of taper Face；Position a plurality of dentation lug, nib 14 to inner process being equipped in the central through hole of hat through central through hole；Locating rod 21 can The outer wall of the central through hole for entering limit plug under the effect of external force, the locating rod in positioning skirt pushes against dentation from inside to outside Lug, nib 14；It is equipped with more than two open slots extended to positioning hat direction being symmetrically arranged along the end of the positioning remotely located hat of skirt 15。

The diameter of the positioning consent is equal to the diameter of positioning hat or is slightly less than the diameter of positioning hat.When limit plug pressure Into positioning consent, positioning skirt is squeezed from the outside to the core, and the width of open slot narrows, and limit plug forms tight fit with positioning consent, Ring tooth is pressed into positioning consent inner wall from inside to outside, makes limit plug that can not outward deviate from from positioning consent.

Positioning hat accounts for a quarter of cylinder, and positioning skirt accounts for 3/4ths of cylinder.

The crown of the ring tooth 13 is tilted to the direction of positioning hat, and when ring tooth is pressed into positioning consent inner wall, it is fixed to make Position plug is not easy from positioning consent abjection.

Ring tooth is divided into discontinuous multiple arcs by symmetrical multiple V-grooves on per loop tooth, the V-groove Shape section.

The diameter of the fixation consent is equal to the diameter of fixed hat or is slightly less than the diameter of fixed hat.It is pressed when fixed plug Into fixed consent, fixed skirt is squeezed from the outside to the core, and the width of split cavity narrows, and fixed plug forms tight fit with fixed consent, Locking plate external tooth 38 and fixinig plate external tooth 39 are pressed into fixed consent inner wall from inside to outside, make fixed plug can not from fixed consent to Outer abjection.

Two symmetrical direction signs are set on fixed hat end face corresponding with the connection central axes of two pieces of fixinig plates, will be consolidated When fixed plug is pressed into the fixation consent reserved on plank B, to make direction sign consistent with the length direction of the end faces plank B, make two pieces to consolidate Stator is located at the both sides of plank B length directions in fixed consent, and two lock sheets is made to be located at plank B width in fixed consent The both sides in direction prevent from swarming in plank B when connecting rod enters fixed plug.Since plank B is pane, in the side of plank B Fixed plug is squeezed by punching by force on end face, is easy to swarm in plank in the width direction of plank side, is prevented plank from making With.In order to overcome this problem, independent fixed plug, the distance between two pieces of fixinig plates be more than between two blocks of locking plates away from From, when that will fix plug and be pressed into fixed consent, two pieces of fixinig plates are located at fixed consent in the both sides of the length direction of plank B, by The extruding of two pieces of fixinig plates, plank B will not pop in the longitudinal direction.Two blocks of locking plates are located at fixed consent in plank B width The both ends in direction, since when that will fix plug and be pressed into fixed consent, the distance between two blocks of locking plates are smaller, two blocks of locking plates to The strength of outer extruding is relatively weak, will not swarm in plank B.

The length of fixed hat is less than 1/the 4 of fixed plug length.

More than one V-groove 4 is equipped on locking plate external tooth.

When furniture construction, the groove that the tool of rotation is first injected to fixed head end rotates, and it is fixed to be firmly pressed into locating rod The central through hole of position plug, locating rod squeeze dentation lug, nib from inside to outside, and wide spiral lamination makes dentation lug, nib deform outward, makes positioning skirt The ring tooth of outer wall is pressed into plug position consent inner wall from inside to outside, prevents limit plug from deviating from from plug position consent, until limit flange Plank A is arrived to, then exposed fixed head and locating rod are pressed into the central through hole of fixed plug, by fixinig plate 34 and locking Piece 35 is outwardly against making fixinig plate external tooth 39 and locking plate external tooth, consent inner wall is fixed in insertion outward, makes fixed plug cannot be from admittedly Determine consent outward to deviate from, is stopped by locking plate flange when fixed head reaches locking plate flange 36, continue to apply to connecting rod The strength for adding bigger makes fixed head squeeze the fixed plug central through hole below locking plate flange arrival locking plate flange, locking Piece 35, which resets banding fixed link head from the outside to the core, prevents connecting rod from deviating from from fixed plug, at this moment, the connected body of connecting rod 25 In locking plate flange inner cavity and limit flange 24 arrive on plank B；

When tearing furniture open, the gap between plank A and plank B is got into flat tool, when one end of flat tool is arrived Reach or close to connecting rod limit flange when, firmly press the other end of flat tool, so that fixed head is squeezed locking plate prominent Edge is detached from the constraint of locking plate, continues to exert oneself, and makes connecting rod from fixed plug abjection, plank A is pried away from plate together with connecting rod Material B, then rotated with the groove that rotation tool injects in fixed head, connecting rod is screwed out from limit plug.

Using the utility model, limit plug and fixed plug are all just embedded in plank when producing furniture, arrive in-site installation When, it is only necessary to the locating rod of connecting rod is first pressed into fixed plug, then together by adjacent board material splice, by the fixation of connecting rod Bar and the corresponding fixed plug of fixed head alignment, tap plank A using tools such as hammers, make the fixed link and fixed link of connecting rod Head enters the assembling that fixed plug realizes plank A and plank B, it is assembled after furniture be not easy loosely, the requirement to installation personnel is also dropped It is low.In production, also only need to make a call to two holes, a positioning consent, a fixed consent.

Positioning consent is beaten when producing furniture and corresponding fixation consent has error.Especially when two blocks of adjacent plates Material A and plank B is will be by assembly and connection part more than two come when realizing assembly, the locating rod of connecting rod can be in limit plug Fault-tolerance is improved in an interior side by more squeezing positioning skirt, and the fixed link of connecting rod can be in fixed plug by more Fault-tolerance is improved in one side of the fixed skirt of more extruding, realizes the assembling of two pieces of adjacent sheet metals.

Above-described embodiment is intended merely to the purposes of interpretation the utility model, and is not the limit to the utility model System, those skilled in the art make a variety of changes or substitute, also answer in the essential scope of the utility model Belong to the protection category of the utility model.

Claims

1. a kind of assembly and connection part, including limit plug (1), connecting rod (2) and fixed plug (3)；Limit plug is equipped with central through hole, Fixation also is provided with central through hole beyond the Great Wall；When producing furniture, positioning consent is stamped on adjacent plank A, is stamped on plank B pair The fixation consent answered, limit plug (1) are pressed into the positioning consent on plank A and form tight fit, and fixed plug (3) is pressed into plank B Shang couple The fixation consent answered forms tight fit；When assembling, then by one end of connecting rod be pressed into limit plug central through hole formed tight fit, The central through hole that the other end of connecting rod is pressed into corresponding fixed plug on plank B again forms tight fit, realizes plank A and plank The assembling of B;The connecting rod (2) and includes locating rod (21), fixed link (22), fixed head (23) and limit flange (24), connected body (25) of the fixed link with fixed head by one section of outer diameter less than fixed link outer diameter is connected；In fixed head End is equipped with the groove to match with rotation tool；Locating rod is equipped with helicla flute, and the bottom wall of helicla flute is plane, adjacent Locating rod wall surface between helicla flute forms wide spiral lamination;The limit plug (1) is the cylinder with central through hole, by fixed Position hat (11) and positioning skirt (12) form, and the length for positioning hat is less than the length of positioning skirt；Skirt (12) outer wall is positioned equipped with a plurality of The ring tooth (13) parallel with positioning hat end face；It is identical with positioning hat diameter from the outer diameter that nearest ring tooth is preced in positioning, it is cyclic annular Self-positioning hat one end of outer diameter of tooth (13) is gradually expanded to the positioning skirt end of remotely located hat, keeps positioning skirt outer diameter tapered； The end outer wall for positioning the remotely located hat of skirt is equipped with the guide surface of taper；It positions to be equipped in the central through hole of hat and runs through central through hole The a plurality of dentation lug, nib (14) to inner process；The center that locating rod (21) can enter limit plug under the effect of external force is logical The outer wall in hole, the locating rod in positioning skirt pushes against dentation lug, nib (14) from inside to outside；Along the end of the positioning remotely located hat of skirt End is equipped with more than two open slots (15) extended to positioning hat direction being symmetrically arranged；The fixed plug (3) is in The cylinder of heart through-hole is made of fixed hat (31) and fixed skirt (32), and the length of fixed hat is less than the one of the length of fixed skirt Half or more；End of the fixed skirt far from fixed hat is equipped with the four symmetrical split cavities (33) extended to fixed hat direction, Split cavity makes fixed skirt form two or more symmetrical fixinig plates (34) and two or more symmetrical locking plate (35)；The lock Stator (35) is shorter than fixinig plate (34), and symmetrically inwardly projecting locking plate is equipped in inner wall of two blocks of locking plates far from fixed hat Flange (36) is equipped with the locking plate groove (37) being recessed inwardly in locking plate outer wall corresponding with locking plate flange；In locking plate The outside wall surface of locking plate (35) between groove (37) and fixed hat (31) be equipped with it is a plurality of parallel to each other and in fixed fill in The vertical locking plate external tooth (38) of axis, the locking plate external tooth are gradual to the fixation skirt end far from fixed hat from fixed hat Expand, the fixed maximum gauge for being preced with nearest locking plate external tooth (38) of distance is equal to or less than the diameter of fixed hat (31)；Except And the corresponding fixinig plate outer wall setting of locking plate groove is a plurality of parallel to each other and corresponding with locking plate external tooth fixinig plate external tooth (39), the fixinig plate external tooth is gradually expanded from fixed hat to the fixation skirt end far from fixed hat, and the fixed hat of distance is nearest The maximum gauge of fixinig plate external tooth (39) be equal to or less than the diameter of fixed hat (31)；Consolidating for same cross section is filled in fixed Stator external tooth (39) is highly more than the height of locking plate external tooth (38), makes fixed skirt in the fixinig plate external tooth (39) of same cross section The maximum distance of crown is more than the distance of locking plate external tooth (38) crown；Corresponding solid with the connection central axes of two pieces of fixinig plates Surely it is preced on end face and two symmetrical direction signs is set, when fixed plug is pressed into the fixation consent reserved on plank B, to make direction sign It is consistent with the length direction of the end faces plank B, so that two pieces of fixinig plates is located at the both sides of plank B length directions in fixed consent, makes Two locking plates are located at the both sides of plank B width directions in fixed consent, prevent from swarming in plate when connecting rod enters fixed plug Material B.