CN204780882U - Nut in middle of connecting piece - Google Patents
Nut in middle of connecting piece Download PDFInfo
- Publication number
- CN204780882U CN204780882U CN201520392710.3U CN201520392710U CN204780882U CN 204780882 U CN204780882 U CN 204780882U CN 201520392710 U CN201520392710 U CN 201520392710U CN 204780882 U CN204780882 U CN 204780882U
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- snap ring
- chamber
- nut
- positioning chamber
- wall
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Abstract
The utility model belongs to the technical field of building element, a nut in middle of connecting piece is related to. The problem of prior art connect insecure technique is solved. It includes the nut body, nut body outer wall the external screw thread has, the inside passageway that can let the bayonet joint pass that is equipped with of nut body, the tip of passageway enlarge to form the snap ring location chamber that can place the snap ring, thereby snap ring location chamber tip have can block the spacing chamber of snap ring that the snap ring prevented snap ring roll -off snap ring location chamber when the snap ring slide to snap ring location chamber tip. The utility model discloses at inserted bar plug in -process, the spacing chamber of snap ring of middle nut can both cooperate the inserted bar to form firm triangle location to the snap ring, prevents that the snap ring breaks away from snap ring location chamber, makes plug connector grafting process reliable and stable, has improved the work efficiency of construction.
Description
Technical field
The invention belongs to building unit technical field, relate to a kind of connector intermediate nut, be applicable to the plug connector that prefabricated component connects.
Background technology
Because the quality stability of tube-sinking cast-in-situ pile is relatively poor, in recent years, precast prestressed concrete stake obtains swift and violent development, and prestressed concrete square pile is exactly wherein a kind of pile-type, and existing prestressed concrete square pile generally has foursquare cross section.In piling process, will need according to different the stake selecting different length, this just needs between stake and stake by being interconnected the pile body forming longer length.
The two ends of existing prefabricated component (preformed pile) are provided with steel plate, and square pile is connected by being welded to each other between steel plate.After pile body after connection is pressed into underground when piling, due to the especially villaumite that contains salt in soil, can corrosion be formed to the steel plate be exposed in soil, cause the junction between stake and stake to be ruptured, thus connection stake is disconnected.In addition, carried out the mode relative complex connected by the welding of steel plate, connect inconvenience.Therefore, people provide a kind of method of carrying out connecting with plug connector, and the use of plug connector substantially increases connection speed between prefabricated component and intensity, also can prevent from being corroded simultaneously.
As the applicant discloses a kind of prestressed concrete henry anisetree fruit square pile [application number: 201410541960.9] in the patent of applying for before, provide one and can make two interconnective plug-assemblies in pile body end and slot component, plug-assembly comprises the plug being fixed on the intrinsic plug base of square pile and extending square pile body exterior, described slot component comprises the joint ring being fixed on the intrinsic slot of square pile and being fixedly connected with the oral area of slot, when plug is inserted in slot, plug is connected with seal ring seal.Plug and plug base are demountable structure, one end that plug is adjacent with plug base is provided with the female screwed hole of tool, and plug base is provided with has externally threaded stud, and described stud and screwed hole cooperatively interact, when stud and screw hole, described plug and plug base are spirally connected.Plug comprises connection-peg and Plug Division, connection-peg and screwed hole are positioned at the two ends of Plug Division, described Plug Division is large lower young rounding taper type suitable for reading, and the inner chamber of described joint ring is the rounding taper type under large end opening suitable for reading, and described connection-peg is the little cydariform broad in the middle in two.Be positioned at below joint ring and be provided with a snap ring in slot, when Plug Division is inserted in slot, described snap ring is fastened on Plug Division.Also be provided with an elastic component in slot, described elastic component one end is resisted against bottom slot, the other end be resisted against on snap ring.The matching form of the junction of the shape of snap ring and connection-peg and Plug Division is fitted, and described joint ring and slot are spirally connected.
Plug-assembly and the slot component of such scheme can make two pile bodies be connected fast, and are connected firmly.But the program also has a fly in the ointment to be: plug base is provided with has externally threaded stud, the end of this stud expand after for placing snap ring, the portion of expanding is a ramp structure, therefore when connection-peg is inserted into after in snap ring, as connection-peg have a Plug Action to snap ring time, snap ring can move up and down in the end of stud, because stud does not have positioning action to snap ring, crossing conference as Plug Action causes card to depart from stud, causes snap ring to connection-peg clamping failure.
The structure of prior art and operating principle thereof are as shown in Figure 3 and Figure 6, intermediate nut 10 has external screw thread 11, inwall has the passage 12 that inserted link 103 can be allowed to insert, the end of inserted link 103 has connection-peg 102, be inserted in the process of nut body 10 at connection-peg 102, snap ring 100 inwall is close to connection-peg 102 outer wall, the snap ring positioning chamber 13 in one with inclined-plane 102a is expanded in the end of nut body 10, snap ring positioning chamber 13 is for placing snap ring 100, when connection-peg 102 is inserted into after in snap ring 100 completely, the recess 102b of connection-peg 102 blocks snap ring 100, snap ring 100 pairs of connection-pegs 102 are formed and connect and fix.In the process that connection-peg 102 inserts, as excessive velocities, snap ring 100 can slide along inclined-plane 102a always, until skid off nut body 10, causes snap ring 100 cannot snap onto in recess 102b, the defect of prior art that Here it is.Because plug connector is used for, in prefabricated component, as snap ring 100 drops, then cannot playing connection function, bringing great trouble to construction.
The invention provides a kind of connector intermediate nut, as shown in Figure 1, comprise nut body 10, described nut body 10 outer wall has external screw thread 11, described nut body 10 inside is provided with the passage 12 that connection-peg 102 can be allowed to pass, the end expanding of described passage 12 forms the snap ring positioning chamber 13 placing snap ring 100, and described snap ring positioning chamber 13 end has can be blocked snap ring when snap ring slides to snap ring positioning chamber 13 end thus prevent snap ring from skidding off the snap ring limit chamber 14 of snap ring positioning chamber 13.
The outer wall of snap ring positioning chamber 13 is different with the gradient of the outer wall of snap ring limit chamber 14, thus makes to have angle between snap ring positioning chamber 13 and snap ring limit chamber 14.Preferably, the angle a between the outer wall of snap ring positioning chamber 13 and the outer wall of snap ring limit chamber 14 is obtuse angle.More preferably, 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 two ends of snap ring positioning chamber 13 and snap ring limit chamber 14 all adopt smooth camber line excessively or rounding, and certainly, the two ends of snap ring positioning chamber 13 and snap ring limit chamber 14 also can adopt plane.
Operating principle of the present invention is:
As shown in figs. 4 and 7, snap ring 100 is surrounded by some plate shapes, measure-alike card 101 and is circularized, and card 101 is stuck on the outer wall of connection-peg 102, and connection-peg 102 is inserted in snap ring 100.
As shown in Figure 4, when connection-peg 102 is inserted in snap ring 100 along the direction of arrow in figure, P1, P2 and P3 3 of card 101 is stressed, wherein the stress point of P3 is in the angle of snap ring positioning chamber 13 and snap ring limit chamber 14, it is stressed because snap ring spacing ring 14 formation stops, as everyone knows, supported at three point is the most firm supporting way, thus makes snap ring 100 can not skid off snap ring positioning chamber 13; As shown in Figure 5, when connection-peg 102 strains snap ring 100 along the direction of arrow in figure, P1, P2 and P3 3 of card 101 is stressed too, equally also forms gusseted, thus makes snap ring 100 clamp connection-peg 102; In sum, insert in the process of snap ring 100 at connection-peg 102, the angle formed by snap ring positioning chamber 13 and snap ring limit chamber 14 can provide one to support fulcrum, thus make card 101 and/or snap ring 100 obtain stable gusseted under the synergy of nut 10 and connection-peg 102, card 101 and/or snap ring 100 can not drop out nut body 10, and after connection-peg 102 completes insertion, snap ring 100 also obtains gusseted, firm connecting and fixing is formed to connection-peg 102.
Summary of the invention
The object of the invention is for the problems referred to above, a kind of connector intermediate nut that can improve connective stability is provided.
For achieving the above object, present invention employs following technical proposal: a kind of connector intermediate nut, comprise nut body, described nut body outer wall has external screw thread, described nut body inside is provided with the passage that connection-peg can be allowed to pass, the end expanding of described passage forms the snap ring positioning chamber placing snap ring, and described snap ring positioning chamber end has can be blocked snap ring when snap ring slides to snap ring positioning chamber end thus prevent snap ring from skidding off the snap ring limit chamber of snap ring positioning chamber.
In above-mentioned connector intermediate nut, the outer wall of described snap ring positioning chamber is different with the gradient of the outer wall of snap ring limit chamber.
In above-mentioned connector intermediate nut, the angle between the outer wall of described snap ring positioning chamber and the outer wall of snap ring limit chamber is obtuse angle.
In above-mentioned connector intermediate nut, the angle between the outer wall of described snap ring positioning chamber and the outer wall of snap ring limit chamber is 130 °-160 °.
In above-mentioned connector intermediate nut, the internal diameter of described passage is reduced to the one end with snap ring positioning chamber gradually by the one end away from snap ring positioning chamber.
In above-mentioned connector intermediate nut, described snap ring limit chamber end is also provided with one for placing the pad positioning chamber of spring shim, and the internal diameter of pad positioning chamber is greater than the internal diameter of snap ring limit chamber.
In above-mentioned connector intermediate nut, described nut body forms nut spacing ring away from one end of snap ring positioning chamber after the radial direction extension of nut body.
In above-mentioned connector intermediate nut, described nut spacing ring is annular.
Compared with prior art, the invention has the advantages that: 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, prevents snap ring from departing from snap ring positioning chamber, make plug connector grafting process stabilization reliable, improve the operating efficiency of construction.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention;
Fig. 2 is another kind of structural representation provided by the invention;
Fig. 3 is the structural representation be applied in connector of prior art;
Fig. 4 is fundamental diagram of the present invention;
Fig. 5 is the fundamental diagram of another kind of 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 15, nut spacing ring 16, snap ring 100, card 101, connection-peg 102, inclined-plane 102a, recess 102b card, inserted link 103, pad 104.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Embodiment 2
The present embodiment is substantially identical with operating principle with the structure of embodiment 1, and difference is, as shown in Figure 2, the internal diameter of passage 12 is reduced to the one end with snap ring positioning chamber 13 gradually by the one end away from snap ring positioning chamber 13.Thus make the connection-peg 102 of inserted link 103 can be close to passage 12 inwall, when connection-peg 102 is inserted into certain depth, can positioning action be played.
Nut body 10 forms nut spacing ring 16 away from one end of snap ring positioning chamber 13 after the radial direction extension of nut body 10.In the present embodiment, nut spacing ring 16 is annular.Certainly, nut spacing ring 16 can be also other shapes, as quadrangle, and polygon, oval etc.The effect of nut spacing ring 16 is limit degree of depth when intermediate nut is spirally connected on the one hand, also plays when preventing connector from connecting the shear failure that nut body 10 causes on the other hand.
Shown in composition graphs 3, snap ring limit chamber 14 end is also provided with one for placing the pad positioning chamber 15 of spring shim 104, play pad 104 positioning action, and the internal diameter of pad positioning chamber 15 is greater than the internal diameter of snap ring limit chamber 14.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as nut body 10, external screw thread 11, passage 12, snap ring positioning chamber 13, snap ring limit chamber 14, pad positioning chamber 15, nut spacing ring 16, snap ring 100, card 101, connection-peg 102, inclined-plane 102a, recess 102b card, inserted link 103 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (8)
1. a connector intermediate nut, comprise nut body (10), described nut body (10) outer wall has external screw thread (11), described nut body (10) inside is provided with the passage (12) that connection-peg can be allowed to pass, the end expanding of described passage (12) forms the snap ring positioning chamber (13) placing snap ring, it is characterized in that, described snap ring positioning chamber (13) end has can be blocked snap ring when snap ring slides to snap ring positioning chamber (13) end thus prevent snap ring from skidding off the snap ring limit chamber (14) of snap ring positioning chamber (13).
2. connector intermediate nut according to claim 1, is characterized in that, the outer wall of described snap ring positioning chamber (13) is different with the gradient of the outer wall of snap ring limit chamber (14).
3. connector intermediate nut according to claim 2, is characterized in that, the 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.
4. connector intermediate nut according to claim 3, is characterized in that, the angle between the outer wall of described snap ring positioning chamber (13) and the outer wall of snap ring limit chamber (14) is 130 °-160 °.
5. the connector intermediate nut according to claim 1 or 2 or 3 or 4, it is characterized in that, the internal diameter of described passage (12) is reduced to the one end with snap ring positioning chamber (13) gradually by the one end away from snap ring positioning chamber (13).
6. the connector intermediate nut according to claim 1 or 2 or 3 or 4, it is characterized in that, described snap ring limit chamber (14) end is also provided with one for placing the pad positioning chamber (15) of spring shim, and the internal diameter of pad positioning chamber (15) is greater than the internal diameter of snap ring limit chamber (14).
7. the connector intermediate nut according to claim 1 or 2 or 3 or 4, it is characterized in that, described nut body (10) forms nut spacing ring (16) away from one end of snap ring positioning chamber (13) after the radial direction extension of nut body (10).
8. connector intermediate nut according to claim 7, is characterized in that, described nut spacing ring (16) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392710.3U CN204780882U (en) | 2015-06-09 | 2015-06-09 | Nut in middle of connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392710.3U CN204780882U (en) | 2015-06-09 | 2015-06-09 | Nut in middle of connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204780882U true CN204780882U (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520392710.3U Active CN204780882U (en) | 2015-06-09 | 2015-06-09 | Nut in middle of connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204780882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878757A (en) * | 2015-06-09 | 2015-09-02 | 周兆弟 | Middle nut of connecting component |
-
2015
- 2015-06-09 CN CN201520392710.3U patent/CN204780882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878757A (en) * | 2015-06-09 | 2015-09-02 | 周兆弟 | Middle nut of connecting component |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |