CN210799602U - Hidden double-end expansion joint spare - Google Patents
Hidden double-end expansion joint spare Download PDFInfo
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- CN210799602U CN210799602U CN201921964060.XU CN201921964060U CN210799602U CN 210799602 U CN210799602 U CN 210799602U CN 201921964060 U CN201921964060 U CN 201921964060U CN 210799602 U CN210799602 U CN 210799602U
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- shell
- jacking
- expansion
- eccentric wheel
- half shell
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Abstract
The utility model discloses a hidden double-end expansion connecting piece, which comprises a shell, a top pressing piece and an eccentric wheel, wherein the shell is integrally provided with an eccentric wheel mounting hole, a first expansion part and a second expansion part; the jacking part is arranged in the shell, and a first jacking part and a second jacking part are respectively arranged at two ends of the jacking part; the top pressing piece is provided with an adjusting hole, the eccentric wheel is installed in the outer shell through the eccentric wheel installing hole and the adjusting hole, and the eccentric wheel drives the first expansion part and the second expansion part to expand simultaneously through the first top pressing part and the second top pressing part. The utility model discloses simple structure, simple to operate can hide completely between two blocks of panels, and between both ends and two blocks of panels the homoenergetic inflation is fixed for the connection reliability of panel is higher and stability is better.
Description
Technical Field
The utility model relates to a technical field is connected to the panel, especially relates to a hidden double-end expansion joint spare.
Background
Along with the development and progress of society, the development of economy, the improvement of people's goods and materials living standard, people are more and more high to the quality of whole house and aesthetic requirement, and the cupboard that expects to use not only structure is firm, the installation is convenient, requires that the outward appearance is exquisite moreover, connection structure is ingenious. At present, the traditional connecting modes of furniture plates are mainly characterized in that a bearing nail is directly arranged below the adjacent plates, or the connecting modes are directly fixed on the plates which are connected with each other through screws, or the plates which are connected with each other are connected by adopting a louver structure, and the connecting modes not only cause overlarge fit clearance and poor stability between the plates and cause poor bearing effect; meanwhile, the connecting parts can be seen, and the appearance effect is poor.
In addition, in the furniture industry, the plates are usually connected through expansion buckles, but the existing expansion buckles can only realize single expansion on one part in one direction, the assembly procedures are multiple, the efficiency is low, a plurality of single parts are required to be respectively assembled and installed on the furniture, the installation is relatively exposed, the parts need to be exposed, and the appearance effect is still poor. Therefore, there is a need for an improved connection between existing sheets.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned problem that exists among the prior art, provide a hidden double-end expansion joint spare, the utility model discloses simple structure, simple to operate can hide completely between two blocks of panels, and between both ends and two blocks of panels the homoenergetic inflation is fixed for the connection reliability of panel is higher and stability is better.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a hidden double-end expansion joint spare which characterized in that: the eccentric wheel mounting hole is positioned between the first expansion part and the second expansion part; the jacking part is arranged in the shell, a first jacking part and a second jacking part are respectively arranged at two ends of the jacking part, the first jacking part is positioned in the first expansion part, and the second jacking part is positioned in the second expansion part; the top pressing piece is provided with adjusting holes corresponding to the eccentric wheel mounting holes, the eccentric wheel is mounted in the outer shell through the eccentric wheel mounting holes and the adjusting holes, and the eccentric wheel drives the first expansion part and the second expansion part to expand simultaneously through the first top pressing part and the second top pressing part.
And an arc-shaped stress part matched with the eccentric wheel is arranged on one side of the adjusting hole, and the eccentric wheel drives the first jacking part and the second jacking part simultaneously through the arc-shaped stress part.
The top pressing piece comprises a round rod body and a square block body which are fixed into a whole, a first top pressing portion is arranged at the end portion of the round rod body, a second top pressing portion is arranged at the end portion of the square block body, an adjusting hole is a round-angle rectangular hole formed in the square block body, and an arc-shaped stress portion protrudes out of the surface of the square block body.
The first expansion part is internally provided with a guide groove matched with the first jacking part, and the second expansion part is internally provided with an inclined sliding table matched with the second jacking part.
First inflation portion and second inflation portion all include a plurality of inflation valves, evenly are provided with the back-off on every inflation valve.
The first jacking and pressing part is a conical body, and a plurality of jacking blocks for jacking the lower expansion part are uniformly arranged on the conical body; the second jacking portion comprises two arc-shaped teeth symmetrically fixed on the jacking piece.
The shell is provided with a limiting disc and a limiting rib which protrude out of the surface of the shell, the limiting disc is arranged along the circumferential direction of the shell, the limiting rib is arranged along the axial direction of the shell, the limiting disc is located between the first expansion part and the eccentric wheel, and the limiting rib is located between the limiting disc and the eccentric wheel.
The shell includes half upper shell, half lower shell and two sets of fastener, and the eccentric wheel mounting hole comprises the through-hole of seting up on half upper shell and the blind hole of seting up on half lower shell respectively, and one of them set of fastener is located between eccentric wheel and the first inflation lamella, and another set of fastener is located the other end relative with first inflation portion on the shell, and half upper shell and half lower shell are fixed through two sets of fastener.
The buckling piece comprises buckling connectors symmetrically arranged on the lower buckle and buckling platforms symmetrically arranged on the upper buckle, and the buckling connectors are matched with the buckling platforms to fix the upper half shell and the lower half shell.
And a connecting rib is arranged between the upper half shell and the lower half shell, and the upper half shell and the lower half shell are folded from the connecting rib.
Adopt the utility model has the advantages of:
1. the utility model discloses mainly constitute by shell, roof pressure spare and eccentric wheel, wherein, roof pressure spare and eccentric wheel are all installed in the shell, and the shell all can be hidden in panel when connecting panel, consequently have advantages such as simple structure, simple to operate. The shell both ends set up the structure of inflation portion respectively for can realize fixing between two blocks of panels through the inflation of first inflation portion and second inflation portion when panel connects, improve reliability and the steadiness of connecting between the panel. And the eccentric orfice passes through first roof pressure portion and the expanded structure of second roof pressure portion drive first inflation portion and second inflation portion simultaneously, makes the connection of panel simple and convenient more, is favorable to improving the efficiency of construction by a wide margin.
2. The utility model discloses be provided with in regulation hole one side with eccentric wheel matched with arc atress portion, the eccentric wheel passes through arc atress portion and drives first top splenium and second top splenium simultaneously. The advantage of this structure lies in can drive the roof pressure spare through simply turning round the eccentric wheel and drive first inflation portion and the inflation of second inflation portion simultaneously, and easy operation is convenient, and the transmission of power is more direct reliable.
3. The utility model provides a roof pressure spare is including fixing the round bar body and the square block body as an organic whole, and first roof pressure portion sets up at round bar body tip, and second roof pressure portion sets up the tip at the square block body, and the regulation hole is the fillet rectangular hole of setting on the square block body, and arc atress portion protrusion is on square block body surface. The advantage of this structure lies in making the roof pressure piece can realize the effective inflation of two inflation portions on having simple structure, low cost's basis.
4. The utility model discloses be equipped with in first inflation portion with first roof pressure portion complex guide slot, be equipped with in the second inflation portion with second roof pressure portion complex oblique slip table. Make first roof pressure portion and second roof pressure portion can move in the shell under the effect of less power through guide slot and oblique slip table to make and adopt less power just can realize the effective inflation of two inflation portions.
5. The utility model provides a first inflation portion and second inflation portion all include a plurality of inflation lamella, and evenly are provided with the back-off on every inflation lamella. The advantage of this structure lies in having improved the steadiness and the reliability of being connected between connecting piece and the panel.
6. The first jacking portion in the utility model is a conical body, and a plurality of jacking blocks for jacking the lower expansion portion are uniformly arranged on the conical body; the second jacking portion comprises two arc-shaped teeth which are symmetrically fixed on the jacking piece. The structure has the advantages that the first expansion part and the second expansion part can be quickly and effectively expanded, so that the aim of quickly connecting the plates is fulfilled.
7. The utility model discloses be provided with protrusion in the spacing dish and the spacing muscle on shell surface, wherein, can install the mounting depth in one of them panel spacing through spacing dish to the connecting piece, be favorable to improving the installation effectiveness. The extrusion force of contact between connecting piece and another panel can be increased through spacing muscle, and then reliability and the steadiness of being connected between another panel and the connecting piece are improved.
8. The utility model provides a shell includes half upper shell, half lower shell and two sets of fastener, and half upper shell and half lower shell are fixed through two sets of fastener. The structure has the advantages that the fixing structure is simple and reliable, and the rapid production of products is facilitated.
9. The utility model provides a lock joint spare sets up the lock joint platform of buckling at last including symmetry setting lock joint head and symmetry that buckles under, and the advantage of this structure lies in can realizing fixing of half upper shell and half lower shell with one side, has further promoted the production efficiency of product.
10. The utility model discloses be provided with the disjunctor muscle between half upper shell and half lower shell, half upper shell and half lower shell fold from the disjunctor muscle. The advantage of this structure lies in can be to the fixed spacing of half shell and half shell down to improve the production efficiency of connecting piece.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the housing of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural view of the middle pressing member of the present invention;
the labels in the figure are: 1. the shell, 2, the roof pressure piece, 3, the eccentric wheel, 4, the eccentric wheel mounting hole, 5, first inflation portion, 6, the second inflation portion, 7, first roof pressing portion, 8, the second roof pressing portion, 9, the regulation hole, 10, the arc atress portion, 11, the round bar body, 12, the square block body, 13, the guide slot, 14, oblique slip table, 15, the back-off, 16, spacing dish, 17, spacing muscle, 18, the upper half shell, 19, the lower half shell, 20, the fastener, 21, the lock platform, 22, the lock joint, 23, disjunctor muscle.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model provides a hidden double-end expansion connecting piece, including shell 1, roof pressure spare 2 and eccentric wheel 3, shell 1 is the cylinder structure, pegs graft in two blocks of panels respectively when connecting the panel, and integrated into one piece has eccentric wheel mounting hole 4, first inflation portion 5 and second inflation portion 6 on shell 1, and first inflation portion 5 is located the tip of shell 1 one end, and second inflation portion 6 is located the lateral wall of the other end of shell 1, and eccentric wheel mounting hole 4 is located between first inflation portion 5 and second inflation portion 6; the jacking piece 2 is arranged in the shell 1 and can only move along the axial direction of the shell 1; a first jacking part 7 and a second jacking part 8 are respectively arranged at two ends of the jacking piece 2, the first jacking part 7 is positioned in the first expansion part 5, and the second jacking part 8 is positioned in the second expansion part 6; the top pressing piece 2 is provided with an adjusting hole 9 corresponding to the eccentric wheel mounting hole 4, the eccentric wheel 3 is mounted in the shell 1 through the eccentric wheel mounting hole 4 and the adjusting hole 9, and the eccentric wheel 3 drives the first expansion part 5 and the second expansion part 6 to expand simultaneously through the first top pressing part 7 and the second top pressing part 8 on the top pressing piece 2.
The utility model discloses in, roof pressure spare 2 is the conical body including fixing integrative round bar 11 and square block 12, first roof splenium 7, sets up at 11 tip of round bar. The second jacking portion 8 comprises two arc-shaped teeth symmetrically fixed on the jacking member 2 and arranged at the end part of the square block body 12. The adjusting hole 9 is a round-corner rectangular hole arranged on the square block body 12, one side of the adjusting hole 9 is provided with an arc-shaped stress part 10 matched with the eccentric wheel 3, and the arc-shaped stress part 10 protrudes out of the surface of the square block body 12. During installation, the eccentric wheel 3 drives the first jacking portion 7 and the second jacking portion 8 through the arc-shaped stress portion 10, and then drives the first expansion portion 5 and the second expansion portion 6 to expand simultaneously through the first jacking portion 7 and the second jacking portion 8.
The utility model discloses in, first inflation portion 5 and second inflation portion 6 all include a plurality of inflation valves, and preferred first inflation portion 5 and second inflation portion 6 all include 4 inflation valves, evenly are provided with back-off 15 on every inflation valve. The middle part in the first inflation portion 5 is equipped with the guide slot 13 with first top splenium 7 complex, the middle part in the second inflation portion 6 is equipped with the oblique slip table 14 with second top splenium 8 complex. Specifically, before connecting the plate, the first jacking part 7 is located in the guide groove 13, the second jacking part 8 is located on one side of the inclined sliding table 14, no extrusion force exists between the first jacking part 2 and the second jacking part 2 and between the first expansion part 5 and the second expansion part 6, and the first expansion part 5 and the second expansion part 6 are both in a natural state. When the plates are connected, under the action of the eccentric wheel 3, the first jacking piece 2 moves out of the guide groove 13 under the action of external force and props up the first expansion part 5 to expand the first expansion part; meanwhile, the second pressing member 2 linked with the first pressing member 2 moves to the other side of the inclined sliding table 14 along the inclined sliding table 14, and the second expansion part 6 is expanded. Further, a plurality of top blocks for pushing up the lower expansion part are uniformly arranged on the conical body of the first top pressing part 7, and the number of the top blocks corresponds to that of the expansion flaps, so that the expansion flaps can be simultaneously unfolded.
In the utility model, the shell 1 is provided with a limiting disc 16 and a limiting rib 17 which are protruded out of the surface of the shell 1, the limiting disc 16 is arranged along the circumferential direction of the shell 1, and the limiting rib 17 is arranged along the axial direction of the shell 1; the limiting disc 16 is positioned between the first expansion part 5 and the eccentric wheel 3, and the limiting disc 16 is close to the first expansion part 5; the limiting rib 17 is positioned between the limiting disc 16 and the eccentric wheel 3, and the limiting rib 17 is close to the limiting disc 16.
In the present invention, the housing 1 includes an upper half shell 18, a lower half shell 19 and two sets of fasteners 20, wherein the first expansion portion 5 may be composed of two symmetrical half expansion portions respectively disposed on the upper half shell 18 and the lower half shell 19, and the second expansion portion 6 may be composed of two symmetrical half expansion portions respectively disposed on the upper half shell 18 and the lower half shell 19; the eccentric wheel mounting holes 4 are respectively composed of a through hole formed in the upper half shell 18 and a blind hole formed in the lower half shell 19, one of the two sets of buckling pieces 20 is located between the eccentric wheel 3 and the first expansion valve, and the other set of buckling pieces 20 is located at the other end, opposite to the first expansion part 5, of the housing 1. And a connecting rib 23 is arranged between the upper half shell 18 and the lower half shell 19, and the upper half shell 18 and the lower half shell 19 are folded from the connecting rib 23 and fixed through two sets of fastener 20. Further, the fastening piece 20 comprises fastening heads 22 symmetrically arranged on the lower buckle and fastening platforms 21 symmetrically arranged on the upper buckle, and the fastening heads 22 and the fastening platforms 21 are matched to fix the upper half shell 18 and the lower half shell 19; in this configuration, the upper shell half 18 and the lower shell half 19 are symmetrical, except for the fasteners 20. Of course, it is also possible to distribute the two sets of fasteners 20 symmetrically on the upper half-shell 18 and the lower half-shell 19, depending on the actual situation, so that the upper half-shell 18 and the lower half-shell 19 are perfectly symmetrical.
The utility model discloses actual production has at present, and its specification model is mainly 12mm, is applicable to the furniture board in all workable holes such as furniture class solid wood board, particle board, fibreboard.
The utility model discloses use needs to connect A board and B board as the example and specifically explain its connection process, seted up in advance on the B board with the corresponding knob hole of eccentric wheel 3, as follows:
inserting the first expansion part 5 of the first connecting piece into the plate A until the limiting disc 16 is contacted with the plate A; inserting the second expansion part 6 into the plate B until the limiting disc 16 is contacted with the plate B, then using tools such as a screwdriver to turn the eccentric wheel 3 from a turning hole on the plate B, wherein the eccentric wheel 3 acts on the arc-shaped stress part 10 of the jacking part 2, so that the first jacking part 7 and the second jacking part 8 simultaneously generate axial motion in the shell 1, and along with the rotation of the eccentric wheel 3, the first jacking part 7 moves out of the guide groove 13 under the action of external force, and props up the first expansion part 5 to expand the first expansion part; meanwhile, the second pressing member 2 linked with the first pressing member 2 moves to the other side of the inclined sliding table 14 along the inclined sliding table 14, and the second expansion part 6 is expanded. After the eccentric wheel 3 is screwed down, the connection of the plate A and the plate B is completed. The multi-petal expansion locking structure is arranged in the two directions of the plate A and the plate B, so that looseness caused by factors such as shaking and the like can be avoided, the locking effect is obvious, and the stability and the durability can be improved in multiples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a hidden double-end expansion joint spare which characterized in that: the eccentric wheel supporting device comprises a shell (1), a jacking piece (2) and an eccentric wheel (3), wherein an eccentric wheel mounting hole (4), a first expansion part (5) and a second expansion part (6) are integrally formed on the shell (1), the first expansion part (5) is positioned at the end part of one end of the shell (1), the second expansion part (6) is positioned on the side wall of the other end of the shell (1), and the eccentric wheel mounting hole (4) is positioned between the first expansion part (5) and the second expansion part (6); the jacking part (2) is arranged in the shell (1), a first jacking part (7) and a second jacking part (8) are respectively arranged at two ends of the jacking part (2), the first jacking part (7) is positioned in the first expansion part (5), and the second jacking part (8) is positioned in the second expansion part (6); the top pressing piece (2) is provided with an adjusting hole (9) corresponding to the eccentric wheel mounting hole (4), the eccentric wheel (3) is mounted in the shell (1) through the eccentric wheel mounting hole (4) and the adjusting hole (9), and the eccentric wheel (3) drives the first expansion part (5) and the second expansion part (6) to expand simultaneously through the first top pressing part (7) and the second top pressing part (8).
2. The concealed double-ended expansion joint according to claim 1, wherein: and an arc-shaped stress part (10) matched with the eccentric wheel (3) is arranged on one side of the adjusting hole (9), and the eccentric wheel (3) drives the first jacking part (7) and the second jacking part (8) through the arc-shaped stress part (10).
3. The concealed double-ended expansion joint according to claim 2, wherein: the jacking and pressing piece (2) comprises a round rod body (11) and a square block body (12) which are fixed into a whole, a first jacking and pressing part (7) is arranged at the end part of the round rod body (11), a second jacking and pressing part (8) is arranged at the end part of the square block body (12), a regulating hole (9) is a round-corner rectangular hole formed in the square block body (12), and an arc-shaped stress part (10) protrudes out of the surface of the square block body (12).
4. The concealed double-ended expansion joint according to claim 1, wherein: the expansion device is characterized in that a guide groove (13) matched with the first jacking portion (7) is arranged in the first expansion portion (5), and an inclined sliding table (14) matched with the second jacking portion (8) is arranged in the second expansion portion (6).
5. The concealed double-ended expansion joint according to claim 1, wherein: first inflation portion (5) and second inflation portion (6) all include a plurality of inflation valves, evenly are provided with back-off (15) on every inflation valve.
6. A concealed double-ended expansion joint according to any one of claims 1-5, wherein: the first jacking and pressing part (7) is a conical body, and a plurality of jacking blocks for jacking the lower expansion part are uniformly arranged on the conical body; the second jacking part (8) comprises two arc-shaped teeth which are symmetrically fixed on the jacking part (2).
7. The concealed double-ended expansion joint according to claim 1, wherein: the outer shell (1) is provided with a limiting disc (16) and a limiting rib (17) which protrude out of the surface of the outer shell (1), the limiting disc (16) is arranged along the circumferential direction of the outer shell (1), the limiting rib (17) is arranged along the axial direction of the outer shell (1), the limiting disc (16) is located between the first expansion part (5) and the eccentric wheel (3), and the limiting rib (17) is located between the limiting disc (16) and the eccentric wheel (3).
8. The concealed double-ended expansion joint according to any one of claims 1, 2, 3, 4, 5 or 7, wherein: the shell (1) comprises an upper half shell (18), a lower half shell (19) and two sets of buckling pieces (20), wherein the eccentric wheel mounting holes (4) are respectively formed by a through hole formed in the upper half shell (18) and a blind hole formed in the lower half shell (19), one set of buckling piece (20) is located between the eccentric wheel (3) and the first expansion valve, the other set of buckling piece (20) is located at the other end, opposite to the first expansion part (5), of the shell (1), and the upper half shell (18) and the lower half shell (19) are fixed through the two sets of buckling pieces (20).
9. The concealed double-ended expansion joint according to claim 8, wherein: the buckling piece (20) comprises buckling joints (22) symmetrically arranged on the lower buckle and buckling tables (21) symmetrically arranged on the upper buckle, and the buckling joints (22) and the buckling tables (21) are matched to fix the upper half shell (18) and the lower half shell (19).
10. The concealed double-ended expansion joint according to claim 8, wherein: a connecting rib (23) is arranged between the upper half shell (18) and the lower half shell (19), and the upper half shell (18) and the lower half shell (19) are folded from the connecting rib (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921964060.XU CN210799602U (en) | 2019-11-14 | 2019-11-14 | Hidden double-end expansion joint spare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921964060.XU CN210799602U (en) | 2019-11-14 | 2019-11-14 | Hidden double-end expansion joint spare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799602U true CN210799602U (en) | 2020-06-19 |
Family
ID=71230500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921964060.XU Active CN210799602U (en) | 2019-11-14 | 2019-11-14 | Hidden double-end expansion joint spare |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210799602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606232A (en) * | 2021-06-29 | 2021-11-05 | 中建七局建筑装饰工程有限公司 | Double-end expansion connecting part |
-
2019
- 2019-11-14 CN CN201921964060.XU patent/CN210799602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606232A (en) * | 2021-06-29 | 2021-11-05 | 中建七局建筑装饰工程有限公司 | Double-end expansion connecting part |
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