CN213298538U - Chassis bolt - Google Patents
Chassis bolt Download PDFInfo
- Publication number
- CN213298538U CN213298538U CN202022179699.6U CN202022179699U CN213298538U CN 213298538 U CN213298538 U CN 213298538U CN 202022179699 U CN202022179699 U CN 202022179699U CN 213298538 U CN213298538 U CN 213298538U
- Authority
- CN
- China
- Prior art keywords
- shaft section
- chassis bolt
- screw thread
- external screw
- bolt according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000005507 spraying Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010410 dusting Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model discloses a chassis bolt, including bottom external screw thread shaft section, middle changeover shaft section and the top disc portion that the axial set up in proper order continuously, bottom external screw thread shaft section outer peripheral face is equipped with the external screw thread, and the radial cross-section of bottom external screw thread shaft section is followed the bottom and is set up to circular the transformation by triangle-shaped to the top gradually. Compared with the prior art, the utility model discloses technical scheme has saving cost, easy to assemble and connects advantages such as reliable, can set up the appearance configuration optimization of chassis bolt, makes its production and reduction in production cost and installation more convenient and have better locking performance.
Description
Technical Field
The utility model relates to a fastener processing technology field, in particular to chassis bolt.
Background
In the prior art, a chassis bolt is usually applied to the bottom of a fixed motor, so that the chassis bolt is not easy to loosen from a bottom connecting structure in the normal work or the vibration generation process.
In addition in order to realize that chassis bolt surface is difficult to take place to rust or improve its durability, can spray powder to chassis bolt surface usually and handle, chassis bolt bottom is equipped with the external screw thread, spray material for avoiding the process of spraying powder enters into the internal bottom of external screw thread, if spray material enters to the internal bottom of external screw thread will make chassis bolt be difficult to precession internal thread hole and link to each other rather than, consequently, the in-process of spraying powder need through the manual work with the overcoat cover in the external screw thread outer peripheral face, in order to avoid spray material to enter to the internal bottom of external screw thread, but sheathe overcoat through the manual work, will increase the material cost of labor and overcoat.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a practice thrift cost, easy to assemble and connect reliable chassis bolt, aim at the appearance configuration optimization setting to the chassis bolt, make its production and reduction in production cost and installation more convenient and have better locking performance.
In order to achieve the above object, the utility model provides a chassis bolt, including bottom external screw thread shaft section, middle changeover portion shaft section and the top disc portion that the axial set gradually that links to each other, bottom external screw thread shaft section outer peripheral face is equipped with the external screw thread, and the radial cross-section of bottom external screw thread shaft section is followed the bottom and is set up to circular the transformation by triangle-shaped to the top gradually.
Preferably, the external diameter of the bottom external thread shaft section is gradually increased from the bottom end to the top end.
Preferably, the bottom surface of the top disk part is provided with a positioning groove, the positioning groove is arranged on the periphery of the middle transition shaft section, and the bottom surface of the top disk part is provided with a positioning lug which can be pressed on the surface of the reinforced part.
Preferably, the positioning projections are a plurality of hemispherical projections which are uniformly arranged on the bottom surface of the top disk part in the circumferential direction.
Preferably, the positioning lugs are a plurality of conical lugs which are uniformly arranged on the bottom surface of the top disc part in the circumferential direction.
Preferably, a conical transition part is arranged on the bottom surface of the top disk part and the peripheral surface of the middle transition shaft section.
Preferably, the bottom surface of the top disk part is provided with a plurality of hemispherical convex blocks which are uniformly arranged in the circumferential direction, and the axial thickness of the conical transition part is smaller than or equal to the radius of the hemispherical convex blocks.
Preferably, the middle part of the top surface of the top disc part is provided with a screwing groove for screwing a chassis bolt.
Preferably, the screwing groove is in a straight shape or a cross shape.
The utility model discloses technical scheme prior art has following advantage relatively:
the utility model discloses technical scheme sets up to the structure that the appearance is triangle-shaped through bottom external screw thread axial bottom to make even if the spraying material of the process of dusting gets into to the external screw thread in the bottom after, also can guarantee that the chassis bolt links to each other with the internal thread reliably and conveniently, and unable continuous phenomenon can not appear, and can save the process steps of the outer protection of suit, save cost of labor and material cost like this. Meanwhile, the outer diameter of the external thread shaft section at the bottom is gradually increased from the bottom end to the top end, so that the chassis bolt has good centering performance and is convenient to install and connect.
Additionally, the utility model discloses technical scheme is equipped with positioning groove and top disc portion bottom surface through being equipped with positioning lug in top disc portion bottom surface and can compress tightly in being consolidated the part surface to make the chassis bolt have better locking performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a chassis bolt according to embodiment 1 of the present invention;
fig. 2 is another schematic perspective view of a chassis bolt according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a chassis bolt according to embodiment 2 of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Bottom external |
31 | |
| 11 | |
32 | |
| 2 | Intermediate |
33 | |
| 3 | |
34 | Conical transition section |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a chassis bolt.
Example 1
Please refer to fig. 1 and fig. 2, the chassis bolt of the embodiment of the present invention includes a bottom external thread shaft section 1, a middle transition shaft section 2 and a top disk part 3, which are axially connected in sequence, wherein the outer peripheral surface of the bottom external thread shaft section 1 is provided with an external thread 11, and the radial cross section of the bottom external thread shaft section 1 gradually changes from a triangle to a circle from the bottom to the top. Preferably, the external diameter of the bottom external thread shaft section 1 of the chassis bolt of the embodiment is gradually increased from the bottom end to the top end.
Because chassis bolt of prior art need use the overcoat to surround bottom external screw thread shaft section 1 outer peripheral face before dusting to avoid spraying material to enter into external screw thread 11 bottom and influence the normal threaded connection of external screw thread 11. This embodiment sets up to cross section triangle-shaped structure through the bottom position with bottom external screw thread shaft section 1, just so calculate spray coating material direct spraying behind external screw thread 11 bottoms, bottom external screw thread shaft section 1 bottom also can link to each other with the internal thread in internal thread hole reliably through the three salient tie points of the triangle-shaped structure of its bottom, and the dead phenomenon of card can not appear. In addition, the external diameter of the external thread shaft section 1 at the bottom of the chassis bolt is gradually increased from the bottom end to the top end, so that the chassis bolt can more conveniently and quickly penetrate into the internal thread hole to perform corresponding screwing action when being connected with a reinforced part.
The bottom surface of the top disk part 3 of the present embodiment is provided with a positioning groove 31, the positioning groove 31 is arranged at the periphery of the middle transition shaft section 2, and the bottom surface of the top disk part 3 is provided with a positioning lug 32 which can be pressed on the surface of the reinforced component. The positioning protrusions 32 of the present embodiment are a plurality of hemispherical protrusions uniformly arranged on the bottom surface of the top disk portion 3 in the circumferential direction. In other embodiments of the present invention, the positioning protrusions 32 are a plurality of conical protrusions circumferentially and uniformly disposed on the bottom surface of the top disk portion 3. Through being provided with positioning lug 32 in top disc portion 3, thereby make the chassis bolt pass through universal tool by rotatory back and when linking to each other with the internal thread hole, after screwing to a certain position, positioning lug 32 will produce the effect of compressing tightly by the reinforcement member surface, and play corresponding locking effect, and through being provided with positioning groove 31 in top disc portion 3 bottom surface, make top disc portion 3 with by when reinforcement member fixed surface links to each other, upwards turn up through top disc portion and produce elastic deformation and produce the pretension effect, thereby play better locking effect.
In addition, the middle of the top surface of the top disk part 3 of the present embodiment is provided with a screwing groove 33 for screwing the chassis bolt. The tightening recess 33 is in the shape of a straight line or a cross, so that the chassis bolt can be easily screwed to be coupled to the female screw hole by using a general tool.
Example 2
Referring to fig. 3, the following technical features are present between this embodiment and embodiment 1: the conical transition part 34 is arranged on the bottom surface of the top disk part 3 and the peripheral surface of the middle transition shaft section 2, the plurality of hemispherical convex blocks are uniformly arranged on the bottom surface of the top disk part 3 in the circumferential direction, and the axial thickness of the conical transition part 34 is smaller than or equal to the radius of the hemispherical convex blocks.
This embodiment is provided with circular cone transition portion 34 through the transition position at top disc portion 3 bottom surface and middle transition shaft section 2 for after hemisphere lug and the component surface fastening that is strengthened link to each other, through circular cone transition portion 34 surface and the contact of internal thread hole top border, play better locking effect through increasing the stiction effort.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a chassis bolt, its characterized in that, includes bottom external screw thread shaft section, middle transition shaft section and the top disc portion that the axial links to each other in proper order and sets up, and bottom external screw thread shaft section outer peripheral face is equipped with the external screw thread, and the radial cross-section of bottom external screw thread shaft section is followed the bottom and is changed the setting to circular by triangle-shaped gradually to the top.
2. The chassis bolt according to claim 1, wherein the outer diameter of the bottom externally threaded shank portion increases from the bottom end to the top end.
3. The chassis bolt according to claim 1, wherein the top disk portion has a positioning groove formed in a bottom surface thereof, the positioning groove being formed in an outer periphery of the intermediate transition shaft section, and the top disk portion has a positioning projection formed in a bottom surface thereof to be pressed against a surface of the member to be reinforced.
4. The chassis bolt according to claim 3, wherein the positioning projections are a plurality of hemispherical projections circumferentially and uniformly disposed on the bottom surface of the top disk portion.
5. The chassis bolt according to claim 3, wherein the positioning projections are conical projections circumferentially and uniformly arranged on the bottom surface of the top disk portion.
6. The chassis bolt according to claim 1, wherein the bottom surface of the top disk portion and the outer peripheral surface of the intermediate transition shaft section are provided with conical transition portions.
7. The chassis bolt according to claim 6, wherein the bottom surface of the top disk portion is provided with a plurality of hemispherical protrusions uniformly arranged in the circumferential direction, and the axial thickness of the conical transition portion is smaller than or equal to the radius of the hemispherical protrusions.
8. The chassis bolt according to claim 3 or 6, wherein a tightening groove for screwing the chassis bolt is provided in the middle of the top surface of the top disk portion.
9. The undercarriage bolt according to claim 8 wherein said tightening recess is in the shape of a straight line or a cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022179699.6U CN213298538U (en) | 2020-09-29 | 2020-09-29 | Chassis bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022179699.6U CN213298538U (en) | 2020-09-29 | 2020-09-29 | Chassis bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298538U true CN213298538U (en) | 2021-05-28 |
Family
ID=76010665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022179699.6U Active CN213298538U (en) | 2020-09-29 | 2020-09-29 | Chassis bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213298538U (en) |
-
2020
- 2020-09-29 CN CN202022179699.6U patent/CN213298538U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4431353A (en) | Fastener assembly | |
| US8702363B2 (en) | Lock nut and a fastening unit comprising the same | |
| CN201246388Y (en) | Integral dual anti-loose nut and head locking type and tail locking type anti-loose nuts | |
| CN213298538U (en) | Chassis bolt | |
| CN109093644B (en) | Robot joint connection assembly based on middleware threaded connection | |
| CN203822815U (en) | Anti-looseness bolt | |
| CN203463432U (en) | Connecting structure of sheet metal parts | |
| CN206072087U (en) | A kind of Cross Recess Head Screw and butterfly gasket locking antiskid molectron | |
| CN209569255U (en) | Stop screw component and fastening structure including the component | |
| CN107939808B (en) | Hexagonal slotting self-locking nut | |
| CN207961221U (en) | A kind of stop nut and threaded connector | |
| CN203067219U (en) | Self-locking type anti-looseness structure for connecting piston rod and crosshead body of compressor | |
| CN213298553U (en) | Ground wire fixing screw | |
| CN205478788U (en) | Novel improve self tapping locking screw of structure | |
| CN210218371U (en) | Combined lock nut | |
| CN210371583U (en) | Universal self-locking fastening washer and fastening assembly | |
| WO2021128285A1 (en) | Fastening assembly and anti-loosening member | |
| CN205503680U (en) | Car fastener for inserts of moulding plastics | |
| CN214742671U (en) | Nut and combination of nut and screw | |
| CN205639231U (en) | Rim bolt | |
| CN221482367U (en) | Ball pressing nut | |
| CN205956173U (en) | Locking locking plate of many nuts | |
| CN218266748U (en) | Anti-loose combined fastener structure | |
| CN208089729U (en) | Wheel bolt | |
| CN216993751U (en) | Wheel assembly and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A chassis bolt Effective date of registration: 20210914 Granted publication date: 20210528 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. Chencun sub branch Pledgor: FOSHAN SHUNDE ZHICHUANG XIANGHONG INDUSTRIAL Co.,Ltd. Registration number: Y2021980009332 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221111 Granted publication date: 20210528 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. Chencun sub branch Pledgor: FOSHAN SHUNDE ZHICHUANG XIANGHONG INDUSTRIAL CO.,LTD. Registration number: Y2021980009332 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A chassis bolt Effective date of registration: 20231205 Granted publication date: 20210528 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. Chencun sub branch Pledgor: FOSHAN SHUNDE ZHICHUANG XIANGHONG INDUSTRIAL CO.,LTD. Registration number: Y2023980069279 |