CN210660884U - Adjusting bolt - Google Patents
Adjusting bolt Download PDFInfo
- Publication number
- CN210660884U CN210660884U CN201920713867.XU CN201920713867U CN210660884U CN 210660884 U CN210660884 U CN 210660884U CN 201920713867 U CN201920713867 U CN 201920713867U CN 210660884 U CN210660884 U CN 210660884U
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- insert
- nut
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- rod
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Abstract
The utility model discloses an adjusting bolt, its screw rod has forward external screw thread, interior nut has reverse external screw thread, interior nut's hole is the smooth surface, exterior nut has the reverse internal thread that matches with reverse external screw thread, exterior nut's tail end has inside convex bulge's bulge loop, the bulge loop inner wall has the forward internal thread that matches with the forward external screw thread of screw rod, exterior nut cup joints and threaded connection each other with interior nut, interior nut's hole is equipped with the inserts that has interior through-hole, the inserts adopts elastic material to make, the inserts includes the pole portion that head and rear end and head are connected, the preceding tip of pole portion is equipped with outside convex card edge, the hole and the card edge card that pole portion passed interior nut are in interior nut front end, interior nut's hole rear end is equipped with the multilateral slotted hole, the head lateral wall and the polygon slotted hole phase-match of inserts, inserts head interference fit-in groove, the interior through-hole lateral wall of inserts at least locally with the screw. The insert of the adjusting bolt is connected more firmly and is convenient to detach.
Description
Technical Field
The utility model relates to an adjusting bolt.
Background
The conventional bolt is generally provided with a screw and a nut, and a structure which needs to tighten and maintain a reserved gap between two plate members often appears in the component installation of an automobile, so that the conventional bolt is difficult to operate, and even if the conventional bolt can be implemented by multiple components, the operation is very complicated and inconvenient.
Therefore, the applicant has applied a utility model patent for solving the above problems, whose application publication number is CN109139631A, which comprises an adjusting bolt including a screw rod, an inner nut and an outer nut, wherein the screw rod has a forward external thread, the inner nut has a reverse external thread, the inner hole of the inner nut is a smooth surface, the front end of the inner hole of the inner nut is provided with an insert with an inner through hole, which can be drilled by the screw rod to form an inner positive thread, the outer nut has a reverse internal thread matching with the reverse external thread, the tail end of the outer nut has an inwardly protruded convex ring, the inner wall of the convex ring has an inner positive thread, the outer nut and the inner nut are mutually sleeved and connected by screw, in use, the screw rod is pushed forward on the insert and rotates, the inner positive thread is formed on the inner through hole during the rotation process and drives the inner nut to rotate, thereby making the inner nut rotate relative to the outer nut, the inner nut retreats backwards along the trend of the reverse internal threads and clamps the first rack, when the inner nut clamps the first rack, the screw rod is continuously screwed forwards, so that the front end of the screw rod is continuously screwed forwards and penetrates through the insert, the inner positive threads matched with the screw rod are formed in the insert, and finally the screw rod penetrates through the inner hole of the inner nut and is in threaded connection with the convex ring of the outer nut until the first rack and the second rack are tensioned by the screw rod and the inner nut. The operation is simple, the working efficiency is high, but the insert is only clamped in the slotted hole at the rear end of the inner nut, so that the connecting range is small, and the insert is easy to fall off from the slotted hole in the transportation and use processes. When the inner nut needs to be disassembled for repeated installation, the rear end of the inner nut is not provided with a port which is convenient to butt joint and is used for applying force in a rotating mode, for example, a hexagonal groove port which is convenient to butt joint with a hexagonal wrench, so that the inner nut cannot be withdrawn.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art existence, the utility model aims to solve the technical problem that an adjusting bolt is provided, this adjusting bolt's inserts are connected more firmly, and convenient to detach.
The utility model discloses an adjusting bolt who takes following technical scheme to accomplish, including screw rod, interior nut and outer nut, the screw rod has forward external screw thread, interior nut has reverse external screw thread, outer nut has the reverse internal thread that matches with reverse external screw thread, the tail end of outer nut has inside convex bulge's bulge loop, and the bulge loop inner wall has the forward internal thread that matches with the forward external screw thread of screw rod, outer nut and interior nut cup joint each other and threaded connection, the hole of interior nut is equipped with the inserts that has interior through-hole, and the inserts adopts elastic material to make, the inserts includes the pole portion that head and rear end are connected with the head, the front end of pole portion is equipped with outside convex card edge, pole portion passes interior nut's hole and card edge card in interior nut front end portion, the hole rear end of interior nut is equipped with the multilateral slotted hole, the outer side wall of the head of the insert is matched with the polygonal groove hole, the head of the insert is embedded into the polygonal groove hole, and at least part of the side wall of the inner through hole of the insert is in interference fit with the screw.
Furthermore, the side wall of the through hole in the rod part of the insert is a smooth surface, and after the screw rod is drilled into the through hole in the insert, a positive external thread outside the screw rod is cut on the side wall of the inner through hole to form a positive internal thread.
Furthermore, the inner groove of the head part of the insert is in a polygonal shape, and the diameter of the through hole in the rod part of the insert is smaller than or equal to the diameter of a circle internally tangent to the side wall of the inner groove.
Furthermore, a plurality of strip-shaped cutting grooves are uniformly formed in the front end part of the rod part of the insert along the length direction of the rod part.
The utility model discloses has following technological effect:
1. the clamping edge at the front end of the rod part of the insert passes through and is clamped at the front end part of the inner nut, so that the insert is more tightly connected with the inner nut, and the insert is prevented from falling off in the transportation and use processes;
2. the rod part of the insert in the utility model penetrates through the inner hole of the inner nut, so that the outer side surface of the insert is matched with the inner hole wall of the inner nut in a large area, and more friction force is provided for the insert to drive the inner nut to rotate;
3. the utility model discloses the hexagonal groove that has of well inserts head, when interior nut was twisted up the back discovery and need be withdrawn from, only need insert the hexagonal groove of inserts with interior hexagon instrument, unscrew interior nut and outer nut and can dismantle, it is very convenient to operate.
Drawings
The utility model discloses there is following figure:
FIG. 1 is a schematic view of a split structure of an adjusting bolt of the present invention;
FIG. 2 is a schematic view of the insert of the adjusting bolt of FIG. 1;
fig. 3 is a schematic end view of the head of the insert of the adjusting bolt in fig. 2.
Detailed Description
The drawings show the technical solution and the embodiments of the present invention, and the details and the working principle of the embodiments are further described below with reference to the drawings.
Referring to fig. 1, 2 and 3, the adjusting bolt provided by the present invention comprises a screw rod 1, an inner nut 2 and an outer nut 3, wherein the screw rod 1 has a forward external thread, the inner nut 2 has a reverse external thread, an inner hole of the inner nut 2 is a smooth surface, the outer nut 3 has a reverse internal thread matching with the reverse external thread, a tail end of the outer nut 3 has an inwardly protruding collar 4, an inner wall of the collar 4 has a forward internal thread matching with the forward external thread of the screw rod 1, the outer nut 3 and the inner nut 2 are sleeved and screwed together, an inner hole of the inner nut 2 is provided with an insert 5 having an inner through hole, the insert 5 is made of an elastic material, for example, the insert 5 can be made of a material having a certain elasticity and capable of being cut by the screw rod 1 to form a thread, the insert 5 includes a head 6 and a rod portion 7 having a rear end connected with the head 6, insert 5's head 6 and pole portion 7 integrated into one piece, the preceding tip of pole portion 7 is equipped with outside convex card edge 9, and the through-hole lateral wall is the smooth surface in insert 5 pole portion 7 in this embodiment, and screw rod 1 bores insert 5 interior through-hole back screw rod 1 outer forward external screw thread and cuts on the inner through-hole lateral wall and form forward internal thread, pole portion 7 passes inner nut 2's hole and card edge 9 card in inner nut 2 front end, inner nut 2's hole rear end is equipped with polygon slotted hole 10, 6 lateral walls of head and the polygon slotted hole 10 phase-match of insert 5, 6 imbeds in the polygon slotted hole 10 of insert 5's head, the inner through-hole lateral wall of insert 5 at least local with 1 interference fit of screw rod.
Referring to fig. 1 and 3, in order to enable the insert 5 to drive the inner nut 2 to rotate so as to withdraw the inner nut 2 during maintenance, the inner groove 11 of the head portion 6 of the insert 5 is polygonal, and the diameter of the through hole in the rod portion 7 of the insert 5 is smaller than or equal to the diameter of the circle inscribed on the side wall of the inner groove 11. In the present embodiment, the internal groove 11 of the head 6 of the insert 5 and the polygonal groove 10 of the internal nut 2 are hexagonal.
Referring to fig. 2, in order to allow the rod portion 7 of the insert 5 to be hooked on the front end of the inner nut 2, the front end portion of the rod portion 7 of the insert 5 is provided with a plurality of linear grooves 8 uniformly along the longitudinal direction thereof.
When the adjusting bolt is in use, the front end of a screw rod 1 of the adjusting bolt is propped against an insert 5 and rotates, a forward internal thread is formed on an inner through hole of the insert 5 and drives an inner nut to rotate in the rotating process, so that the inner nut 2 rotates relative to the outer nut 3, the inner nut 2 retreats backwards along the trend of the reverse internal thread of the outer nut 3 and clamps a first frame 12, when the inner nut 2 clamps the first frame 12, the screw rod 1 is continuously screwed forwards to enable the front end of the screw rod 1 to be continuously screwed forwards and penetrate through the insert 5, an inner forward thread matched with the screw rod is formed inside the insert 5, finally the screw rod 1 penetrates through an inner hole of the inner nut 2 to be in threaded connection with a convex ring 4 of the outer nut until the screw rod 1 and the inner nut 2 clamp the first frame 12, the first frame 12 and the second frame 13 can be mutually clamped by continuously screwing forwards, the operation is more convenient, and only the screw rod 1 needs to be continuously screwed in, the requirement on workers is low, and the improvement of the working efficiency is facilitated.
Claims (10)
1. An adjusting bolt comprises a screw rod, an inner nut and an outer nut, wherein the screw rod is provided with a forward external thread, the inner nut is provided with a reverse external thread, the outer nut is provided with a reverse internal thread matched with the reverse external thread, the tail end of the outer nut is provided with a convex ring protruding inwards, the inner wall of the convex ring is provided with a forward internal thread matched with the forward external thread of the screw rod, the outer nut and the inner nut are mutually sleeved and in threaded connection, and the adjusting bolt is characterized in that: the inner hole of the inner nut is provided with an insert with an inner through hole, the insert is made of elastic materials and comprises a head part and a rod part, the rear end of the rod part is connected with the head part, the front end part of the rod part is provided with a clamping edge protruding outwards, the rod part penetrates through the inner hole of the inner nut and is clamped at the front end part of the inner nut, the rear end of the inner hole of the inner nut is provided with a polygonal slotted hole, the outer side wall of the head part of the insert is matched with the polygonal slotted hole, the head part of the insert is embedded into the polygonal slotted hole, and at least part of the side wall of the inner through.
2. The adjusting bolt of claim 1, wherein: the inner hole of the inner nut is a smooth surface, the side wall of the inner through hole in the rod part of the insert is a smooth surface, and after the screw rod is drilled into the inner through hole of the insert, the positive outer thread outside the screw rod is cut on the side wall of the inner through hole to form a positive inner thread.
3. An adjusting screw according to claim 1 or 2, characterised in that: the inner groove of the head part of the insert is polygonal, and the diameter of the through hole in the rod part of the insert is smaller than or equal to the diameter of a circle internally tangent to the side wall of the inner groove.
4. An adjusting screw according to claim 1 or 2, characterised in that: the front end part of the rod part of the insert is uniformly provided with a plurality of strip-shaped cutting grooves along the length direction.
5. An adjuster bolt according to claim 3, wherein: the front end part of the rod part of the insert is uniformly provided with a plurality of strip-shaped cutting grooves along the length direction.
6. An adjusting screw according to claim 1 or 2, characterised in that: the insert is a plastic piece, and the head part and the rod part of the insert are integrally formed.
7. An adjuster bolt according to claim 3, wherein: the insert is a plastic piece, and the head part and the rod part of the insert are integrally formed.
8. The adjuster bolt according to claim 4, wherein: the insert is a plastic piece, and the head part and the rod part of the insert are integrally formed.
9. An adjuster bolt according to claim 3, wherein: the inner groove in the head of the insert and the polygonal groove hole of the inner nut are both hexagonal.
10. The adjuster bolt according to claim 7, wherein: the inner groove in the head of the insert and the polygonal groove hole of the inner nut are both hexagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920713867.XU CN210660884U (en) | 2019-05-18 | 2019-05-18 | Adjusting bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920713867.XU CN210660884U (en) | 2019-05-18 | 2019-05-18 | Adjusting bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660884U true CN210660884U (en) | 2020-06-02 |
Family
ID=70809465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920713867.XU Active CN210660884U (en) | 2019-05-18 | 2019-05-18 | Adjusting bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210660884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259778A (en) * | 2019-05-18 | 2019-09-20 | 浙江华远汽车零部件有限公司 | A kind of adjusting bolt |
| CN112012990A (en) * | 2020-08-14 | 2020-12-01 | A.雷蒙德公司 | Nut fastening assembly |
-
2019
- 2019-05-18 CN CN201920713867.XU patent/CN210660884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259778A (en) * | 2019-05-18 | 2019-09-20 | 浙江华远汽车零部件有限公司 | A kind of adjusting bolt |
| CN112012990A (en) * | 2020-08-14 | 2020-12-01 | A.雷蒙德公司 | Nut fastening assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 611, Dingxiang Road, Wenzhou Economic and Technological Development Zone, Zhejiang 325000 Patentee after: Zhejiang Huayuan Automobile Technology Co.,Ltd. Address before: 325000 B505 community, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: ZHEJIANG HUAYUAN AUTOMOBILE PARTS Co.,Ltd. |
|
| CP03 | Change of name, title or address |