CN209245020U - A kind of Combined double-screw bolt - Google Patents
A kind of Combined double-screw bolt Download PDFInfo
- Publication number
- CN209245020U CN209245020U CN201821982228.5U CN201821982228U CN209245020U CN 209245020 U CN209245020 U CN 209245020U CN 201821982228 U CN201821982228 U CN 201821982228U CN 209245020 U CN209245020 U CN 209245020U
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- Prior art keywords
- screw rod
- screw
- thread
- internal
- screw thread
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Abstract
The utility model discloses a kind of Combined double-screw bolts, including ring sleeve, stud ontology, the second screw rod and the first screw rod, the stud body interior is provided with the second external screw thread on the inside of one end, and stud body interior is provided with the first screw rod close to second externally threaded one end, it is provided on the outside of first screw rod and mutually matched second internal screw thread of the second external screw thread, the stud body interior is provided with the second screw rod far from one end of the first screw rod far from third internal screw thread, the stud body interior is provided on the inside of first screw rod one end.The utility model is provided with external screw-thread on the outside of ring sleeve, it is connected with each other with the part with internal thread hole, cooperate dismountable ring sleeve, it is whole replacement stud is not needed, external screw-thread can be replaced, it is not only convenient for maintenance repair and maintenance, also reduces the cost of maintenance.
Description
Technical field
The utility model relates to machine components technical field, specially a kind of Combined double-screw bolt.
Background technique
Stud also known as stud, both ends have one section of screw thread, and without head, its one end must be screwed in internal screw thread
In the part in hole, the other end is passed through in the part with through-hole, then screws on nut, the two fastening parts are connected to become one
A entirety, and existing conventional stud has a single function, tightness is poor, and external screw-thread cannot be dismantled, and when external screw-thread is worn, needs
Stud is integrally replaced, maintenance repair and maintenance is not only not easy to, also improves the cost of maintenance, meanwhile, it is many at present
Combined double-screw bolt position interconnected is also easy to produce gap, and not enough securely, the stud for combining connection is easy to fall off when in use, because
This, attention of the research and development of novel combination type stud by more and more researchers.
Utility model content
The purpose of this utility model is to provide a kind of Combined double-screw bolts, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of Combined double-screw bolt, including annular sleeve
Pipe, stud ontology, the second screw rod and the first screw rod are provided with the second external screw thread on the inside of stud body interior one end, and
Stud body interior is provided with the first screw rod close to second externally threaded one end, is provided on the outside of first screw rod and second
Mutually matched second internal screw thread of external screw thread, the stud body interior on the inside of first screw rod one end far from being provided in third
Screw thread, the stud body interior is provided with the second screw rod far from one end of the first screw rod, and is provided on the outside of the second screw rod
With the mutually matched third external screw thread of third internal screw thread, first screw rod is provided with mounting hole close to one end of the second screw rod,
And the first screw rod internal screw thread is provided on the inside of mounting hole, second screw rod be provided on the outside of first screw rod one end with
Mutually matched second external thread of screw of first screw rod internal screw thread, the middle position of the stud ontology are symmetrically installed with two groups
Annular interconnecting piece, and the both ends of stud body exterior are all provided with ring sleeve, the inside of the ring sleeve is all provided with
One internal screw thread, is provided on the outside of the stud ontology and mutually matched first external screw thread of the first internal screw thread, and the annular is even
Mounting groove is all provided on the stud ontology at socket part both ends, the inside of the mounting groove is all equipped with spring, and spring is far from peace
One end of tankage is all equipped with fixture block, is all provided on the outside of the ring sleeve close to one end of annular interconnecting piece mutual with fixture block
The card slot of cooperation.
Preferably, the outside of the ring sleeve is all provided with external screw-thread.
Preferably, the both ends of the annular interconnecting piece are all provided with bumper ring.
Preferably, anti-skid chequer is all provided on the fixture block.
Preferably, the length of second screw rod is 2/3rds of the first spiro rod length.
Preferably, the inside of the card slot is all provided with rubber pad.
Compared with prior art, the utility model has the beneficial effects that the Combined double-screw bolt is set on the outside of ring sleeve
It is equipped with external screw-thread, it is connected with each other with the part with internal thread hole, cooperates dismountable ring sleeve, is not required to
Replace stud entirety, external screw-thread can be replaced, be not only convenient for maintenance repair and maintenance, also reduce maintenance at
This, and the first screw rod and the second screw rod are installed, and be provided with and the second screw rod inside the Combined double-screw bolt on the second screw rod
Mutually matched mounting hole fixes the second screw rod in stud body interior, plays the role of dual fixation, avoids phase
The position of connection is damaged because gap is excessive, meanwhile, two groups of Stud connections can be played the work of combined type installation by the second screw rod
With.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the fixture block portion structure schematic diagram of the utility model；
Fig. 3 is the partial structural diagram of the utility model.
In figure: 1, ring sleeve；2, stud ontology；3, external screw-thread；4, the first internal screw thread；5, the first external screw thread；6, block
Block；7, annular interconnecting piece；8, the second screw rod；9, the second internal screw thread；10, the second external screw thread；11, the first screw rod；12, mounting hole；
13, third internal screw thread；14, third external screw thread；15, card slot；16, mounting groove；17, spring；18, the first screw rod internal screw thread；19,
Two external thread of screw.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of Combined double-screw bolt, including ring sleeve 1,
Stud ontology 2, the second screw rod 8 and the first screw rod 11 are provided with the second external screw thread 10 on the inside of 2 inside one end of stud ontology, and
The inside of stud ontology 2 is provided with the first screw rod 11 close to one end of the second external screw thread 10, the outside of the first screw rod 11 be provided with
Mutually matched second internal screw thread 9 of second external screw thread 10,2 inside of stud ontology are provided on the inside of separate first screw rod, 11 one end
Third internal screw thread 13,2 inside of stud ontology is provided with the second screw rod 8 far from one end of the first screw rod 11, and the second screw rod 8 is outer
Side, which is provided with, to be set with the mutually matched third external screw thread 14 of third internal screw thread 13, the first screw rod 11 close to one end of the second screw rod 8
It is equipped with mounting hole 12, and the inside of mounting hole 12 is provided with the first screw rod internal screw thread 18, the second screw rod 8 is close to the first screw rod 11 1
It is provided on the outside of end and mutually matched second external thread of screw 19 of the first screw rod internal screw thread 18, the interposition of stud ontology 2
The place of setting is symmetrically installed with two groups of annular interconnecting pieces 7, and the both ends outside stud ontology 2 are all provided with ring sleeve 1, ring sleeve
1 inside is all provided with the first internal screw thread 4, the outside of stud ontology 2 be provided with outside the first internal screw thread 4 mutually matched first
Screw thread 5 is all provided with mounting groove 16 on the stud ontology 2 at annular 7 both ends of interconnecting piece, and the inside of mounting groove 16 is all equipped with spring
17, and the one end of spring 17 far from mounting groove 16 is all equipped with fixture block 6,1 outside of ring sleeve is close to one end of annular interconnecting piece 7
It is all provided with and the mutually matched card slot 15 of fixture block 6.
In this embodiment: the outside of ring sleeve 1 is all provided with external screw-thread 3, needs fixed position, ring convenient for fixed
The both ends of shape interconnecting piece 7 are all provided with bumper ring, the extruding force that bumper stud is subject to, and are all provided with anti-skid chequer on fixture block 6, play
Anti-skidding effect, the length of the second screw rod 8 are 2/3rds of 11 length of the first screw rod, and the inside of card slot 15 is all provided with rubber
Pad, to protect card slot.
Working principle: in use, first installing two groups of ring sleeves 1 by the first internal screw thread 4 and the first external screw thread 5 respectively
To the both ends of stud ontology 2, fixture block 6 is then pressed, so that fixture block 6 enters ring sleeve 1 close to the card of 2 one end of stud ontology
In slot 15, to fix the ring sleeve 1 with external screw-thread 3, the first screw rod 11 is then passed through into 9 He of the second internal screw thread again
Second external screw thread 10 is installed to one end of stud ontology 2, and the second screw rod 8 is then passed through spiral shell outside third internal screw thread 13 and third again
Line 14 is installed to the one end of stud ontology 2 far from the first screw rod 11, while the second screw rod 8 is close to the second of 11 one end of the first screw rod
First screw rod internal screw thread 18 of external thread of screw 19 and the first screw rod 11 cooperates, so that the second screw rod 8 and the first screw rod 11
It is connected with each other, plays the role of dual fixation, meanwhile, the second screw rod 8 is also mountable in the mounting hole 12 of another group of stud, from
And by the combination installation of two groups of studs, when external screw-thread 3 is unavailable because of some factors, replaceable ring sleeve 1 is without more
Change stud ontology 2.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of Combined double-screw bolt, including ring sleeve (1), stud ontology (2), the second screw rod (8) and the first screw rod (11),
Be characterized in that: the stud ontology (2) is provided with the second external screw thread (10) on the inside of internal one end, and stud ontology (2) is internal
One end close to the second external screw thread (10) is provided with the first screw rod (11), is provided on the outside of first screw rod (11) and second
Mutually matched second internal screw thread (9) of external screw thread (10), the stud ontology (2) are internal interior far from the first screw rod (11) one end
Side is provided with third internal screw thread (13), and the internal one end far from the first screw rod (11) of the stud ontology (2) is provided with the second spiral shell
Bar (8), and be provided on the outside of the second screw rod (8) with the mutually matched third external screw thread (14) of third internal screw thread (13), it is described
First screw rod (11) is provided with mounting hole (12) close to the one end of the second screw rod (8), and the is provided on the inside of mounting hole (12)
One screw rod internal screw thread (18), second screw rod (8) be provided on the outside of the first screw rod (11) one end in the first screw rod
Mutually matched second external thread of screw (19) of screw thread (18), the middle position of the stud ontology (2) are symmetrically installed with two
The annular interconnecting piece (7) of group, and the both ends of stud ontology (2) outside are all provided with ring sleeve (1), the ring sleeve (1)
Inside is all provided with the first internal screw thread (4), is provided on the outside of the stud ontology (2) and is cooperated with the first internal screw thread (4)
The first external screw thread (5), it is described annular interconnecting piece (7) both ends stud ontology (2) on be all provided with mounting groove (16), the peace
The inside of tankage (16) is all equipped with spring (17), and spring (17) is all equipped with fixture block (6) far from the one end of mounting groove (16),
One end on the outside of the ring sleeve (1) close to annular interconnecting piece (7) is all provided with and fixture block (6) mutually matched card slot
(15).
2. a kind of Combined double-screw bolt according to claim 1, it is characterised in that: the outside of the ring sleeve (1) is all set
It is equipped with external screw-thread (3).
3. a kind of Combined double-screw bolt according to claim 1, it is characterised in that: the both ends of the annular interconnecting piece (7) are all
It is provided with bumper ring.
4. a kind of Combined double-screw bolt according to claim 1, it is characterised in that: be all provided on the fixture block (6) anti-skidding
Line.
5. a kind of Combined double-screw bolt according to claim 1, it is characterised in that: the length of second screw rod (8) is the
2/3rds of one screw rod (11) length.
6. a kind of Combined double-screw bolt according to claim 1, it is characterised in that: the inside of the card slot (15) is all provided with
Rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982228.5U CN209245020U (en) | 2018-11-29 | 2018-11-29 | A kind of Combined double-screw bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982228.5U CN209245020U (en) | 2018-11-29 | 2018-11-29 | A kind of Combined double-screw bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209245020U true CN209245020U (en) | 2019-08-13 |
Family
ID=67529666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821982228.5U Active CN209245020U (en) | 2018-11-29 | 2018-11-29 | A kind of Combined double-screw bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209245020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500351A (en) * | 2019-08-28 | 2019-11-26 | 嘉兴鼎祥汽车零部件有限公司 | A kind of double end high-strength impact-resistant automobile bolt |
-
2018
- 2018-11-29 CN CN201821982228.5U patent/CN209245020U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500351A (en) * | 2019-08-28 | 2019-11-26 | 嘉兴鼎祥汽车零部件有限公司 | A kind of double end high-strength impact-resistant automobile bolt |
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