CN208169288U - A kind of connection member - Google Patents
A kind of connection member Download PDFInfo
- Publication number
- CN208169288U CN208169288U CN201820539241.7U CN201820539241U CN208169288U CN 208169288 U CN208169288 U CN 208169288U CN 201820539241 U CN201820539241 U CN 201820539241U CN 208169288 U CN208169288 U CN 208169288U
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- CN
- China
- Prior art keywords
- rotary joint
- inserted link
- screwed
- collet chuck
- connection member
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Abstract
The utility model discloses a kind of connection members, including：First rotary joint；Second rotary joint；Collet chuck has be screwed on portion and clamping portion；And inserted link, its first end are mutually screwed on the second rotary joint, the second end is mutually clamped after running through the aforementioned portion that is screwed on aforementioned clamping portion；Wherein, intermediate shaft part position of the inserted link between first end and the second end offers at least one helicla flute, inner wall of the collet chuck in the portion of being screwed on circumferentially offers an at least groove, and when the second end of inserted link is mutually clamped with aforementioned clamping portion, groove is connected with helicla flute.The liquid curing agent poured into from helicla flute is filled in helicla flute and groove, curing agent after solidification can be improved the bonding strength between connection inserted link and collet chuck because of preferable adhesive effect, it causes collet chuck that axial displacement occurs relative to inserted link to avoid the problem that connection member when bearing axial tension or pressure, and then guarantees bonding strength and reliability between two connected objects.
Description
Technical field
The utility model relates to construction project field more particularly to a kind of connection members.
Background technique
Connector is applied between stake and stake, in assembled-type house between wall and wall, between wall and floor etc. in pile foundation engineering
Workshop close in common mounting structure, the structural strength and bonding strength of connector itself be related to two connected objects it
Between bonding strength and connective stability.
As Chinese invention patent (CN104947658B) discloses a kind of spring-gripping type connector comprising big nut sleeve,
Primary nut sleeve, connector and inserted link, aforementioned big nut sleeve are threadably connect with connector, and wherein connector is holding
The side circular array for being placed in big nut sleeve shows multiple bending elastic slices, and bending elastic slice and big nut sleeve inner sidewall it
Between have greater than 0 ° of angle；The side of inserted link is connect with primary nut bush whorl, and the other side offers ring on its outer peripheral surface
Slot, and annular groove is being set as block face far from the side groove face of primary nut sleeve, for be connected in the bending elastic slice of the annular groove into
Row limit；Wherein, bending elastic slice includes that bending of the elastic sheet body far from connector one end is arranged in elastic sheet body and one
Portion；One side end face of elastic sheet body is flushed with the inner sidewall in connector, between another side end face and the lateral wall of connector there are
Certain interval.
In the spring-gripping type connector of above structure, since the other side of inserted link opens up annular groove on its outer peripheral surface, and by ring
Slot is set as keeping out the block face of bending elastic slice in the side groove face far from primary nut sleeve, and therefore, which can
Bear biggish axial pulling capacity.But due to inserted link offer it is outer without leave far from primary nut sleeve at ring groove position
Direction is gradually reduced, and therefore, when the spring-gripping type connector is when bearing biggish pressure, bending elastic slice can be to far from block face
Direction axial movement, this will result in the problem that the bonding strength between two connected bodies is not high or stability is not good enough.
Utility model content
Utility model aims to solve existing connectors to bear axial tension or when pressure, connector relative to
Inserted link can occur to move axially and influence between two connected objects bonding strength and the problem of connective stability.
To realize the purpose of this utility model, the utility model uses following technical scheme：
A kind of connection member has following feature, including：
First rotary joint；
Second rotary joint；
Collet chuck has be screwed on portion and clamping portion；And
Inserted link, its first end and the second rotary joint are mutually screwed on, the second end run through the aforementioned portion that is screwed on after with aforementioned card
Socket part is mutually clamped；
Wherein, intermediate shaft part position of the inserted link between first end and the second end offers at least one helicla flute,
Inner wall of the collet chuck in the portion of being screwed on offers an at least groove, recessed when the second end of inserted link is mutually clamped with aforementioned clamping portion
Slot is connected with helicla flute.
Further, in above-mentioned connection member, also there is following feature：In the axis by first end to the second end
To on direction, the diameter of intermediate shaft part is gradually become smaller；
Arc surface transition or tapered surface transition between the outer circumference surface and end face of the second end.
Further, in above-mentioned connection member, also there is following feature：The first end of inserted link is male end,
Second rotary joint offers the internal thread hole for matching the male end；
The portion of being screwed on of collet chuck is hollow bolt, and the first rotary joint offers the internal thread hole for matching the aforementioned portion that is screwed on.
Further, in above-mentioned connection member, also there is following feature：Intermediate shaft part is in the position close to first end
Set configuration torque applying unit；
Wherein, torque applying unit has an at least flat face, alternatively, torque applying unit is gear segment；
The circumscribed circle diameter of torque applying unit is greater than the maximum gauge of first end and/or the maximum gauge of the second end.
Further, in above-mentioned connection member, also there is following feature：The portion that is screwed on of collet chuck is integrated with clamping portion
Structure；
Wherein, clamping portion has at least two around the spaced elastic cards in collet chuck central axes, and elastic card by
The one end in portion far from the second rotary joint that is screwed on is extended to the first rotary joint direction.
Further, in above-mentioned connection member, also there is following feature：By the second rotary joint to the first rotary joint
Axial direction on, each elastic card is gradually drawn close to the axial line of collet chuck.
Further, in above-mentioned connection member, also there is following feature：Collet chuck is in one end close to the second rotary joint
Configure torque applying unit；
Torque applying unit is internal regular polygon hole or outer regular polygon prism section or gear segment.
Further, in above-mentioned connection member, also there is following feature：The inner wall of collet chuck is axially spaced to be opened up
At least two grooves, and the groove depth of groove is equal to or less than groove width；
Further, in above-mentioned connection member, also there is following feature：The interlude of inserted link offers at least two
Intersect the helicla flute or at least two parallel helicla flutes of connection.
Further, in above-mentioned connection member, also there is following feature：The second end of inserted link is in oval or water droplet
Shape；
Alternatively, the second end of inserted link is bulb end.
In connection member provided by the utility model, collet chuck is used to be screwed on the first rotary joint to guarantee mutual connection
Intensity, one end of inserted link are screwed on the second rotary joint to guarantee mutual bonding strength, also, the other end of inserted link and collet chuck phase
Clamping, thus there is preferable mechanical coupling strength basis.In addition, by opening up helicla flute on inserted link, collet chuck inner wall is opened
If the mode of groove enables the liquid curing agent poured into from helicla flute to be filled in helicla flute and groove, consolidating after solidification
Agent can be improved the bonding strength between connection inserted link and collet chuck because of preferable adhesive effect, so that connection member be avoided to exist
It bears the problem of causing collet chuck that axial displacement occurs relative to inserted link when axial tension or pressure, and then guarantees two connected objects
Bonding strength and reliability between body.
Detailed description of the invention
Fig. 1 is a kind of installation diagram of connection member in embodiment；
Fig. 2 is a kind of explosive view of connection member in embodiment；
Fig. 3 is the local structural graph of the first rigid bar in embodiment；
Fig. 4 is the structure chart of the first rotary joint in embodiment；
Fig. 5 is the local structural graph of the second rigid bar in embodiment；
Fig. 6 is the structure chart of the second rotary joint in embodiment；
Fig. 7 is the structure chart of inserted link in embodiment；
Fig. 8 is the enlarged drawing of letter A corresponding part in Fig. 7；
Fig. 9 is the half-section diagram of collet chuck in embodiment；
Figure 10 is the three-dimensional structure diagram of collet chuck in embodiment.
In attached drawing：
100, connection member；
1, the first rotary joint；11, the first annular block；12, internal thread hole；13, torque applying unit；
2, the second rotary joint；21, the second annular block；22, internal thread hole；23, torque applying unit；
3, inserted link；31, first end；32, intermediate shaft part；33, the second end；331, outer circumference surface；332, end face；
333, arc surface；34, helicla flute；35, torque applying unit；36, shaft shoulder face；
4, collet chuck；41, be screwed on portion；42, clamping portion；421, elastic card；43, groove；44, torque applying unit；45, center
Through-hole；
5, the first rigid bar；51, first expands end；
6, the second rigid bar；61, second expands end.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
The utility model is further described with embodiment combination Figure of description.
As depicted in figs. 1 and 2, a kind of connection member 100 is present embodiments provided, the connection member 100 is used for
Dock two Building class precast construction parts (between such as stake and stake, between wall and wall, between stake and column or between wall and floor)
In axially aligned with each other or the rigid bar (such as reinforcing bar, rod iron or any item for meeting rigidity, intensity requirement that are aligned as far as possible
Shape object).Specifically, the connection member 100 includes：First rotary joint 1, the second rotary joint 2, inserted link 3 and collet chuck 4.
As shown in Fig. 1, Fig. 3 and Fig. 4, in the present embodiment, it is pre- that the first rigid bar 5 is embedded in figure not shown first
Among product, the first rotary joint 1 is located at the one end of the first rigid bar 5 and can equally be embedded among the first prefabricated component.Tool
Body, the first rotary joint 1 is movably axially sleeved ikn on the first rigid bar 5, and the first rigid bar 5 has first to expand end
51.First rotary joint 1 has the first annular block 11, and the interior diameter D1 of the first annular block 11 expands end 51 less than first
Largest outer diameter D2.In addition, the torque applying unit 13 that the tail portion of the first rotary joint 1 is equipped with convenient for screwing.
Certainly, in connection member part provided by the utility model, the first rotary joint 1 and the first rigid bar 5 may be used also
To be integral structure, i.e. the first rotary joint 1 is formed by the end jumping-up post-processing threaded hole of the first rigid bar 5, in such shape
Under formula, the first rotary joint 1 can be not provided with torque applying unit.
As shown in Fig. 1, Fig. 5 and Fig. 6, the second rigid bar 6 is embedded in figure among not shown second prefabricated component, the
Two rotary joints 2 are located at the one end of the second rigid bar 6 and can equally be embedded among the second prefabricated component, in the present embodiment, the
Two rotary joints 2 are axially aligned with the first rotary joint 1.Specifically, the second rotary joint 2 is movably axially sleeved ikn the second rigid rod
On material 6, the second rigid bar 6 has second to expand end 61, and the second rotary joint 2 has the second annular block 21, the second inner ring
The interior diameter D3 of shape block 21 expands the largest outer diameter D4 at end 61 less than second.In addition, the tail portion of the second rotary joint 2 is designed with
Convenient for the torque applying unit 23 screwed.
Certainly, in connection member part provided by the utility model, the second rotary joint 2 and the second rigid bar 6 are one
Body structure, i.e. the second rotary joint 2 are formed by the end jumping-up post-processing threaded hole of the second rigid bar 6, under such form, the
One rotary joint 1 can be not provided with torque applying unit.First rigid bar 5 and the second rigid bar 6 refer in the utility model
Connected object.And first rigid bar 5 and the second rigid bar 6 can be reinforcing bar, rod iron or any one meet intensity,
The strip object of rigidity requirement
As shown in Fig. 4, Fig. 9 and Figure 10, collet chuck 4, which has, to be screwed on portion 41 and clamping portion 42, in the present embodiment, collet chuck 4
The portion 41 that is screwed on is structure as a whole with clamping portion 42.Specifically, the portion 41 that is screwed on of collet chuck 4 is to offer the hollow of central through hole 45
Bolt, and the first rotary joint 1 offers the internal thread hole 12 for matching the aforementioned portion 41 that is screwed on；Clamping portion 42 has at least two rings
Around the spaced elastic card 421 in 4 central axes of collet chuck, and elastic card 421 is by the second rotary joint 2 separate in the portion of being screwed on 41
Extend to 1 direction of the first rotary joint one end.In addition, collet chuck 4 is in close for the ease of collet chuck 4 and the first rotary joint 1 of being screwed on
One end of second rotary joint 2 configures torque applying unit 44, in the present embodiment, torque applying unit 44 can be internal regular polygon hole or
Outer regular polygon prism section or gear segment.
In order to guarantee the clamping intensity between inserted link 3 and collet chuck 4, in the axial direction by 2 to the first rotary joint 1 of the second rotary joint
On direction, each elastic card 421 is gradually drawn close to the axial line of collet chuck 4.More importantly, collet chuck 4 is in the portion of being screwed on 41
Wall surface offers an at least groove 43, and certainly, in connection member part provided by the utility model, collet chuck 4 is also in the portion of being screwed on 41
Inner wall it is axially spaced open up at least two grooves 43, and in order to play the adhesive effect of curing agent preferably can be improved
Bonding strength between inserted link 3 and collet chuck 4, the groove profile of groove 43 are preferably rectangular channel or dovetail groove, and the groove depth etc. of groove 43
In or less than groove width.
As shown in Fig. 1, Fig. 7 and Fig. 9, inserted link 3 successively includes along axial direction：First end 31, intermediate shaft part 32 and the
Two ends 33.Wherein, first end 31 is screwed on 2 phase of the second rotary joint, the second end 33 run through the aforementioned portion 41 that is screwed on after with
Aforementioned 42 phase of clamping portion clamping.Specifically, the first end 31 of inserted link 3 is male end, the second rotary joint 2 offers matching should
The internal thread hole 22 (as shown in Figure 6) of male end.
As shown in figures 7 and 9, more crucially：Centre of the inserted link 3 between first end 31 and the second end 33
32 position of shaft part offers at least one helicla flute 34, recessed when the second end 33 of inserted link 3 is clamped with aforementioned 42 phase of clamping portion
Slot 43 is connected (as shown in Figure 1) with helicla flute 34, and therefore, the liquid curing agent poured into via helicla flute 34 can be circulated to cylinder
In the groove 43 of folder 4.In the present embodiment, the groove width of helicla flute 34 is greater than or equal to groove depth, and the groove profile of helicla flute 34 is preferably
Rectangular channel or dovetail groove.
Certainly, in connection member part provided by the utility model, the interlude of inserted link 3 can also offer at least two
Intersect the helicla flute 34 of connection, i.e., the hand of spiral and/or helical angle of each helicla flute 34 are different.Certainly, the interlude of inserted link 3
Be also possible to open up at least two parallel helicla flutes 34, this can fill curing agent more with improve inserted link 3 and collet chuck 4 it
Between adhesive strength.
As shown in Figure 7 and Figure 8, on the axial direction by first end 31 to the second end 33, intermediate shaft part 32 it is straight
Diameter gradually becomes smaller；And on the axial direction by first end 31 to the second end 33, the diameter of the second end 33 equally by
It is decrescence small, i.e., diameter mutation shaft shoulder face 36 is formed between intermediate shaft part 32 and the second end 33, when the second end 33 and clamping
When 42, portion is mutually clamped, the end face of shaft shoulder face 36 and elastic card 421 forms blocking structure.
In the present embodiment, inserted link 3 makes the clamping portion 42 of collet chuck 4 be detached from shaft shoulder face 36 in order to prevent under by pulling force effect,
When design, retaining ring (not shown) or shaft shoulder face 36 is arranged from inside to outside towards first end in outer edge position in shaft shoulder face 36
The inclination of portion 31 extension.
As shown in Fig. 7, Fig. 8 and Fig. 9, in the present embodiment, in order to guarantee that inserted link 3 is suitable under the guidance of the second end 33
Benefit runs through collet chuck 4, and the maximum gauge of the second end 33 is less than the interior diameter in the portion 41 that is screwed on collet chuck 4, and the second end 33 is outer
333 transition of arc surface or tapered surface transition between periphery 331 and end face 332.Certainly, it is tied in connection provided by the utility model
In component part, the second end 33 of inserted link 3 is in oval or water-drop-shaped；Alternatively, the second end 33 of inserted link 3 is bulb end.
As shown in Figure 1 and Figure 7, intermediate in addition, making inserted link 3 be screwed on 2 phase of the second rotary joint for the ease of screwing inserted link 3
Shaft part 32 configures torque applying unit 35 in the position close to first end 31；In the present embodiment, torque applying unit 35 has at least
One flat face, in order to facilitate the tools turning torque such as spanner applying unit 35, the circumscribed circle diameter of torque applying unit 35 is greater than first
The maximum gauge of end 31 and/or the maximum gauge of the second end 33.Certainly, in connection member provided by the utility model
In 100, torque applying unit 35 can also be gear segment.
Specific embodiment is combined to describe the technical principle of the utility model above, but it should be recognized that above-mentioned
These descriptions are only for the purpose of explaining the principle of the present utility model, and cannot be construed to protect model to the utility model in any way
The concrete restriction enclosed.Based on the explanation herein, those skilled in the art can associate this reality not making the creative labor
With other novel specific embodiments or equivalent replacement, the protection scope of the utility model is fallen within.
Claims (10)
1. a kind of connection member, including the first rotary joint and the second rotary joint, which is characterized in that further include：
Collet chuck has be screwed on portion and clamping portion；And
Inserted link, its first end and the second rotary joint are mutually screwed on, the second end run through the aforementioned portion that is screwed on after with aforementioned clamping portion
Mutually it is clamped；
Wherein, intermediate shaft part position of the inserted link between first end and the second end offers at least one helicla flute, collet chuck
Inner wall in the portion of being screwed on offers an at least groove, when the second end of inserted link is mutually clamped with aforementioned clamping portion, groove and
Helicla flute is connected.
2. connection member according to claim 1, which is characterized in that by first end to the axial direction side of the second end
Upwards, the diameter of intermediate shaft part gradually becomes smaller；
Arc surface transition or tapered surface transition between the outer circumference surface and end face of the second end.
3. connection member according to claim 1, which is characterized in that the first end of inserted link be male end, second
Rotary joint offers the internal thread hole for matching the male end；
The portion of being screwed on of collet chuck is hollow bolt, and the first rotary joint offers the internal thread hole for matching the aforementioned portion that is screwed on.
4. connection member according to claim 1, which is characterized in that intermediate shaft part is matched in the position close to first end
Set torque applying unit；
Wherein, torque applying unit has an at least flat face, alternatively, torque applying unit is gear segment；
The circumscribed circle diameter of torque applying unit is greater than the maximum gauge of first end and/or the maximum gauge of the second end.
5. connection member according to claim 1, which is characterized in that the portion that is screwed on of collet chuck is integrated knot with clamping portion
Structure；
Wherein, clamping portion has at least two to surround the spaced elastic card in collet chuck central axes, and elastic card is by being screwed on
Extend to the first rotary joint direction one end in portion far from the second rotary joint.
6. connection member according to claim 5, which is characterized in that in the axis by the second rotary joint to the first rotary joint
To on direction, each elastic card is gradually drawn close to the axial line of collet chuck.
7. connection member according to claim 1, which is characterized in that collet chuck is configured in one end close to the second rotary joint
Torque applying unit；
Torque applying unit is internal regular polygon hole or outer regular polygon prism section or gear segment.
8. connection member according to claim 1, which is characterized in that the inner wall of collet chuck is axially spaced to be opened up at least
Two grooves, and the groove depth of groove is equal to or less than groove width.
9. connection member according to claim 1, which is characterized in that the interlude of inserted link offers at least two intersections
Pitch the helicla flute or at least two parallel helicla flutes of connection.
10. connection member according to claim 1, which is characterized in that the second end of inserted link is in oval or water-drop-shaped；
Alternatively, the second end of inserted link is bulb end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820539241.7U CN208169288U (en) | 2018-04-16 | 2018-04-16 | A kind of connection member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820539241.7U CN208169288U (en) | 2018-04-16 | 2018-04-16 | A kind of connection member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169288U true CN208169288U (en) | 2018-11-30 |
Family
ID=64370735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820539241.7U Active CN208169288U (en) | 2018-04-16 | 2018-04-16 | A kind of connection member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169288U (en) |
-
2018
- 2018-04-16 CN CN201820539241.7U patent/CN208169288U/en active Active
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