CN104878757B - Connector intermediate nut - Google Patents
Connector intermediate nut Download PDFInfo
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- CN104878757B CN104878757B CN201510311615.0A CN201510311615A CN104878757B CN 104878757 B CN104878757 B CN 104878757B CN 201510311615 A CN201510311615 A CN 201510311615A CN 104878757 B CN104878757 B CN 104878757B
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- snap ring
- positioning chamber
- chamber
- nut
- peg
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Abstract
The invention belongs to building element technical field, is related to a kind of connector intermediate nut.Solve prior art and connect insecure technical problem.It includes nut body, described nut body outer wall has external screw thread, the passage that connection-peg passes through can be allowed by being provided with inside described nut body, the end expanding of described passage forms the snap ring positioning chamber that can place snap ring, and described snap ring positioning chamber end has and can block snap ring when snap ring slides to snap ring positioning chamber end so as to prevent snap ring limit chamber that snap ring skids off snap ring positioning chamber.For the present invention in inserted link swapping process, the snap ring limit chamber of intermediate nut can coordinate inserted link to form firm triangle polyester fibre to snap ring, prevent snap ring from departing from snap ring positioning chamber, make plug connector grafting process stabilization reliable, improve the operating efficiency of construction.
Description
Technical field
The invention belongs to building element technical field, is related to a kind of connector intermediate nut, connects and uses suitable for prefabricated component
Plug connector.
Background technology
Because the quality stability of driven cast-in-place pile is relatively poor, in recent years, precast prestressed concrete stake obtains swift and violent
Development, prestressed concrete square pile are exactly one of which pile-type, and existing prestressed concrete square pile typically has square
Cross section., be according to the different stakes for needing to select different length during piling, this just needs to pass through phase between stake and stake
Connect to form the pile body of long length.
The both ends of existing prefabricated component (prefabricated pile) are provided with steel plate, and square pile passes through being welded to each other to be connected between steel plate
Connect.After pile body after connection is pressed into underground in piling, due to the especially villaumite that contained salt in soil, to exposed to soil
In steel plate can form corrosion, cause the junction between stake and stake to be broken so that connection stake disconnect.In addition, pass through steel plate
The mode that is attached of welding it is relative complex, connection inconvenience.Therefore, people provide a kind of side being attached with plug connector
Method, the use of plug connector substantially increases connection speed and intensity between prefabricated component, while also can prevent from being corroded.
As the applicant discloses a kind of prestressed concrete henry anisetree fruit square pile [application number in the patent applied before：
201410541960.9], there is provided a kind of plug-assembly and slot component that can be connected with each other two pile body ends, plug
Component includes being fixed on the intrinsic plug base of square pile and extends the plug of square pile body exterior, described slot component bag
The sealing ring for being fixed on the intrinsic slot of square pile and being fixedly connected with the oral area of slot is included, when plug is inserted into slot,
Plug is connected with seal ring seal.Plug and plug base are demountable structure, and plug one end adjacent with plug base is provided with
Having female screwed hole, plug base, which is provided with, has externally threaded stud, and described stud cooperates with screwed hole,
When stud and screw hole, described plug is spirally connected with plug base.Plug includes connection-peg and plug division, connection-peg
It is located at the both ends of plug division with screwed hole, described plug division is in the small rounding taper type of mouth lower greatly suitable for reading, described sealing ring
Inner chamber in the rounding taper type under big lower mouth suitable for reading, described connection-peg is in the small cydariform broad in the middle in two.In slot and position
A snap ring is provided with below sealing ring, when plug division is inserted into slot, described snap ring is fastened on plug division.Slot
An elastic component is inside additionally provided with, described elastic component one end is resisted against slot bottom, and the other end is with being resisted against on snap ring.Snap ring
Shape and the shape of connection-peg and the junction of plug division match, and described sealing ring is spirally connected with slot.
The plug-assembly and slot component of such scheme can be such that two pile bodies quickly connect, and be connected firmly.But should
Scheme also has a fly in the ointment to be：Plug base, which is provided with, has an externally threaded stud, and the end of the stud is used for after expanding
Snap ring is placed, bulb is a ramp structure, therefore after connection-peg is inserted into snap ring, as connection-peg has plug to snap ring
During action, snap ring can move up and down in the end of stud, because stud does not have positioning action to snap ring, as conference is crossed in Plug Action
Cause card to depart from stud, cause snap ring to fail connection-peg clamping.
The content of the invention
A kind of regarding the issue above, the present invention provides connector intermediate nut that can improve connective stability.
To reach above-mentioned purpose, present invention employs following technical proposal：A kind of connector intermediate nut, including nut sheet
Body, described nut body outer wall have an external screw thread, and the passage that connection-peg passes through can be allowed by being provided with inside described nut body, institute
The end expanding of the passage stated forms the snap ring positioning chamber that can place snap ring, described snap ring positioning chamber end have when snap ring to
Snap ring positioning chamber end can block snap ring so as to prevent snap ring from skidding off the snap ring limit chamber of snap ring positioning chamber when sliding.
In above-mentioned connector intermediate nut, the outer wall of described snap ring positioning chamber and the outer wall of snap ring limit chamber incline
Gradient is different.
In above-mentioned connector intermediate nut, the outer wall of described snap ring positioning chamber and the outer wall of snap ring limit chamber it
Between angle be obtuse angle.
In above-mentioned connector intermediate nut, between the outer wall of described snap ring positioning chamber and the outer wall of snap ring limit chamber
Angle be 130 ° -160 °.
In above-mentioned connector intermediate nut, the internal diameter of described passage from one end away from snap ring positioning chamber to
One end of snap ring positioning chamber is gradually reduced.
In above-mentioned connector intermediate nut, described snap ring limit chamber end is additionally provided with one and is used to place spring pad
The pad positioning chamber of piece, and the internal diameter of pad positioning chamber is more than the internal diameter of snap ring limit chamber.
In above-mentioned connector intermediate nut, the one end of described nut body away from snap ring positioning chamber is to nut body
Radially extend after formed nut spacing ring.
In above-mentioned connector intermediate nut, described nut spacing ring is annular.
Compared with prior art, the advantage of the invention is that：In inserted link swapping process, the snap ring of intermediate nut is spacing
Chamber can coordinate inserted link to form firm triangle polyester fibre to snap ring, prevent snap ring from departing from snap ring positioning chamber, make plug connector grafting
Journey is reliable and stable, improves the operating efficiency of construction.
Brief description of the drawings
Fig. 1 is structural representation provided by the invention；
Fig. 2 is another structural representation provided by the invention；
Fig. 3 is the structural representation being applied in connector of prior art；
Fig. 4 is the fundamental diagram of the present invention；
Fig. 5 is the fundamental diagram of another state of the present invention；
Fig. 6 is the structural representation of prior art；
Fig. 7 is the structural representation of snap ring.
In figure：Nut body 10, external screw thread 11, passage 12, snap ring positioning chamber 13, snap ring limit chamber 14, pad positioning chamber
15th, nut spacing ring 16, snap ring 100, card 101, connection-peg 102, inclined-plane 102a, recess 102b cards, inserted link 103, pad
104。
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 3 and Figure 6, intermediate nut 10 has external screw thread 11, inwall to the structure and its operation principle of prior art
With the passage 12 that inserted link 103 can be allowed to insert, the end of inserted link 103 has connection-peg 102, nut is inserted into connection-peg 102
During body 10, the inwall of snap ring 100 is close to the outer wall of connection-peg 102, and the end of nut body 10 is expanded to be had tiltedly in one
Face 102a snap ring positioning chamber 13, snap ring positioning chamber 13 is used to place snap ring 100, when connection-peg 102 is completely inserted into snap ring 100
In after, the recess 102b of connection-peg 102 blocks snap ring 100, and snap ring 100 is formed to connection-peg 102 and connected and fixed.In connection-peg
During 102 insertions, such as excessive velocities, snap ring 100 can slide always along inclined-plane 102a, until nut body 10 is skidded off,
Cause snap ring 100 can not snap onto in recess 102b, here it is the defects of prior art.Because plug connector is used for prefabricated component
In, as snap ring 100 drops, then connection function can not be played, great trouble is brought to construction.
The invention provides a kind of connector intermediate nut, as shown in figure 1, including nut body 10, described nut sheet
The outer wall of body 10 has an external screw thread 11, and the described inside of nut body 10, which is provided with, can allow the passage 12 that connection-peg 102 passes through, described
The end expanding of passage 12 forms the snap ring positioning chamber 13 that can place snap ring 100, and the described end of snap ring positioning chamber 13, which has, works as
Snap ring can block snap ring when being slided to the end of snap ring positioning chamber 13 so as to prevent snap ring skid off snap ring positioning chamber 13 snap ring it is spacing
Chamber 14.
The outer wall of snap ring positioning chamber 13 is different with the gradient of the outer wall of snap ring limit chamber 14, so that snap ring positioning chamber 13
There is angle between snap ring limit chamber 14.Preferably, between the outer wall of the outer wall of snap ring positioning chamber 13 and snap ring limit chamber 14
Angle a be obtuse angle.It is highly preferred that the angle between the outer wall of snap ring positioning chamber 13 and the outer wall of snap ring limit chamber 14 is
130°-160°.The both ends of snap ring positioning chamber 13 and snap ring limit chamber 14 use smooth camber line excessively or rounding, certainly,
The both ends of snap ring positioning chamber 13 and snap ring limit chamber 14 can also use plane.
The present invention operation principle be：
As shown in figs. 4 and 7, snap ring 100 is surrounded by some plate shapes, size identical card 101 and circularized, card
101 are stuck on the outer wall of connection-peg 102, and connection-peg 102 is inserted into snap ring 100.
As shown in figure 4, when connection-peg 102 is inserted into snap ring 100 along the direction of arrow in figure, P1, P2 of card 101
With 3 stress of P3, wherein P3 stress point is in the angle of snap ring positioning chamber 13 and snap ring limit chamber 14, because snap ring is spacing
Ring 14, which is formed, to be stopped and stress, it is well known that supported at three point is most firm supporting way, so that snap ring 100 will not skid off
Snap ring positioning chamber 13；As shown in figure 5, when connection-peg 102 tenses snap ring 100 along the direction of arrow in figure, the P1 of card 101,
P2 and 3 points of P3 similarly stress, equally also form gusseted, so that the clamping connection-peg 102 of snap ring 100；In summary,
During connection-peg 102 inserts snap ring 100, the angle formed by snap ring positioning chamber 13 and snap ring limit chamber 14 can provide one
Individual support fulcrum, so that what card 101 and/or snap ring 100 were stablized under the synergy of nut 10 and connection-peg 102
Gusseted, card 101 and/or snap ring 100 will not drop out nut body 10, and after connection-peg 102 is completed to insert, snap ring
100 also obtain gusseted, and firm connect and fix is formed to connection-peg 102.
Embodiment 2
The present embodiment and the structure and operation principle of embodiment 1 are essentially identical, and difference is, as shown in Fig. 2 passage
12 internal diameter is gradually reduced from one end away from snap ring positioning chamber 13 to one end with snap ring positioning chamber 13.So that inserted link
103 connection-peg 102 can be close to the inwall of passage 12, when connection-peg 102 is inserted into certain depth, can play positioning action.
The one end of nut body 10 away from snap ring positioning chamber 13 is spacing to nut is formed after the radially extending of nut body 10
Ring 16.In the present embodiment, nut spacing ring 16 is annular.Certainly, nut spacing ring 16 can also be other shapes, such as four
Side shape, polygon, ellipse etc..On the one hand the effect of nut spacing ring 16 is to limit depth when intermediate nut is spirally connected, separately
On the one hand also acting as prevents when connector from connecting to failure by shear caused by nut body 10.
With reference to shown in Fig. 3, the end of snap ring limit chamber 14 is additionally provided with a pad for being used to place spring shim 104 and positioned
Chamber 15, play to the positioning action of pad 104, and the internal diameter of pad positioning chamber 15 is more than the internal diameter of snap ring limit chamber 14.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more use nut body 10, external screw thread 11, passage 12, snap ring positioning chamber 13, snap ring spacing herein
Chamber 14, pad positioning chamber 15, nut spacing ring 16, snap ring 100, card 101, connection-peg 102, inclined-plane 102a, recess 102b
The terms such as card, inserted link 103, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more convenient
Ground describes and explains the essence of the present invention；Being construed as any additional limitation is disagreed with spirit of the present invention
's.
Claims (3)
1. a kind of connector intermediate nut, including nut body (10), described nut body (10) outer wall has external screw thread
(11) passage (12) that connection-peg passes through can be allowed by, being provided with inside described nut body (10), the end of described passage (12)
Expand the snap ring positioning chamber (13) for being formed and placing snap ring, it is characterised in that described snap ring positioning chamber (13) end, which has, works as
Snap ring can block snap ring so as to prevent snap ring from skidding off the snap ring of snap ring positioning chamber (13) when being slided to snap ring positioning chamber (13) end
Limit chamber (14),
Angle between the outer wall of described snap ring positioning chamber (13) and the outer wall of snap ring limit chamber (14) is obtuse angle,
The outer wall of snap ring positioning chamber (13) is different with the gradient of the outer wall of snap ring limit chamber (14)；
The internal diameter of described passage (12) is from one end away from snap ring positioning chamber (13) to one end with snap ring positioning chamber (13)
It is gradually reduced；
Described snap ring limit chamber (14) end is additionally provided with a pad positioning chamber (15) for being used to place spring shim, and pad
The internal diameter of positioning chamber (15) is more than the internal diameter of snap ring limit chamber (14)；The one end of nut body (10) away from snap ring positioning chamber (13)
Nut spacing ring (16) is formed after to the radially extending of nut body (10)；
Wherein during connection-peg (102) insertion snap ring (100), snap ring positioning chamber (13) and snap ring limit chamber (14) formation
Angle provide one support fulcrum, make card (101) and/or snap ring (100) in the joint of nut (10) and connection-peg (102)
The gusseted stablized under effect, card (101) and/or snap ring (100) will not drop out nut body (10)；Work as connection-peg
(102) after completing insertion, snap ring (100) also obtains gusseted, and firm connect and fix is formed to connection-peg (102).
2. connector intermediate nut according to claim 1, it is characterised in that the outer wall of described snap ring positioning chamber (13)
Angle between the outer wall of snap ring limit chamber (14) is 130 ° -160 °.
3. connector intermediate nut according to claim 1 or 2, it is characterised in that described nut spacing ring (16) is
Annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311615.0A CN104878757B (en) | 2015-06-09 | 2015-06-09 | Connector intermediate nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311615.0A CN104878757B (en) | 2015-06-09 | 2015-06-09 | Connector intermediate nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104878757A CN104878757A (en) | 2015-09-02 |
| CN104878757B true CN104878757B (en) | 2017-12-12 |
Family
ID=53946418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510311615.0A Active CN104878757B (en) | 2015-06-09 | 2015-06-09 | Connector intermediate nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104878757B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240355B (en) * | 2015-10-09 | 2017-12-29 | 周兆弟 | Spring-gripping type connector |
| CN105179398B (en) * | 2015-10-09 | 2017-10-10 | 周兆弟 | Flexible clamping formula connector |
| CN107059853A (en) * | 2017-05-31 | 2017-08-18 | 周兆弟 | Band tooth connector |
| CN108808543B (en) * | 2018-06-01 | 2022-06-21 | 中国电力科学研究院有限公司 | Crossing structure interfacing apparatus and crossing structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647822B2 (en) * | 1982-12-21 | 1994-06-22 | 宇部興産株式会社 | High strength concrete pile |
| CN101979778B (en) * | 2010-10-07 | 2012-06-13 | 周兆弟 | Method for butting concrete prefabricated member consisting of prefabricated member connector |
| CN104389310B (en) * | 2014-10-14 | 2016-08-31 | 周兆弟 | Prestressed concrete Fructus Illichi Henryi square pile |
| CN204185851U (en) * | 2014-11-10 | 2015-03-04 | 福州大学 | Prestressed concrete pipe pile fast joint structure |
| CN204780882U (en) * | 2015-06-09 | 2015-11-18 | 周兆弟 | Nut in middle of connecting piece |
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2015
- 2015-06-09 CN CN201510311615.0A patent/CN104878757B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104878757A (en) | 2015-09-02 |
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