CN210637362U - Anti-disassembly bolt for high-speed rail equipment - Google Patents
Anti-disassembly bolt for high-speed rail equipment Download PDFInfo
- Publication number
- CN210637362U CN210637362U CN201921458231.1U CN201921458231U CN210637362U CN 210637362 U CN210637362 U CN 210637362U CN 201921458231 U CN201921458231 U CN 201921458231U CN 210637362 U CN210637362 U CN 210637362U
- Authority
- CN
- China
- Prior art keywords
- steel ball
- disassembly
- disassembly steel
- screw rod
- ball movable
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 88
- 239000010959 steel Substances 0.000 claims abstract description 88
- 230000001568 sexual effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a high-speed railway is anti-disassembly bolt for equipment, including screw rod, spiral shell head, anti-disassembly steel ball, the screw rod surface coil and be equipped with screw rod body external screw thread, screw rod upper end be equipped with the spiral shell head, the screw rod surface be equipped with can with anti-disassembly steel ball complex anti-disassembly steel ball movable slot, anti-disassembly steel ball locate anti-disassembly steel ball movable slot in, anti-disassembly steel ball and anti-disassembly steel ball movable slot sliding connection, the utility model discloses a set up anti-disassembly steel ball movable slot on the screw rod, set up anti-disassembly steel ball in anti-disassembly steel ball movable slot, can prevent the bolt reversal through the cooperation of anti-disassembly steel ball and anti-disassembly steel ball movable slot, prevent that the bolt from being dismantled, improve the security, and bolt low in production cost, the sexual valence relative altitude.
Description
Technical Field
The utility model relates to a technical field of fastener, especially anti-disassembly bolt's technical field.
Background
Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head and a screw is matched with a nut and used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. The existing bolt is simple in structure, does not have an anti-disassembly mechanism, can be easily unscrewed after being screwed, is low in safety, has a plurality of important parts in high-speed rail equipment, directly concerns the life safety of passengers due to the safety of the high-speed rail equipment, and needs good anti-disassembly performance.
Disclosure of Invention
The utility model aims at solving the problem among the prior art, provide a high-speed railway is anti-disassembly bolt for equipment, can prevent the bolt reversal through the anti-disassembly steel ball after the bolt tightening, prevent that the bolt from being dismantled, improve the security.
In order to realize the above purpose, the utility model provides an anti-disassembly bolt for high-speed railway equipment, including screw rod, spiral shell head, anti-disassembly steel ball, the screw rod surface coil and be equipped with screw rod body external screw thread, screw rod upper end be equipped with the spiral shell head, the screw rod surface be equipped with can with anti-disassembly steel ball complex anti-disassembly steel ball movable groove, anti-disassembly steel ball locate anti-disassembly steel ball movable groove in, anti-disassembly steel ball and anti-disassembly steel ball movable groove sliding connection.
Preferably, the disassembly-preventing steel ball movable groove is arranged in an inclined mode, the inclined direction of the disassembly-preventing steel ball movable groove is consistent with the inclined direction of the thread of the external thread of the screw body, and the inclined angle of the disassembly-preventing steel ball movable groove is larger than the inclined angle of the thread of the external thread of the screw body.
Preferably, the anti-disassembly steel ball movable groove has different groove depths at two ends, the anti-disassembly steel ball movable groove has a deeper depth close to the end of the screw, the anti-disassembly steel ball movable groove has a shallower depth far away from the end of the screw, when the anti-disassembly steel ball is matched with the deeper depth of the anti-disassembly steel ball movable groove, the anti-disassembly steel ball can be completely contained in the anti-disassembly steel ball movable groove, and when the anti-disassembly steel ball is matched with the shallower depth of the anti-disassembly steel ball movable groove, one end of the anti-disassembly steel ball protrudes out of the anti-disassembly steel ball movable groove.
Preferably, the screw rod and the screw head are integrally formed.
The utility model relates to a high-speed railway is anti-disassembly bolt's for equipment beneficial effect: the utility model discloses a with setting up anti-disassembly steel ball movable groove on the screw rod, set up anti-disassembly steel ball in anti-disassembly steel ball movable groove, can prevent the bolt reversal through the cooperation of anti-disassembly steel ball and anti-disassembly steel ball movable groove, prevent that the bolt from being dismantled, improve the security, and bolt low in production cost, sexual valence relative altitude.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of a structure of an anti-disassembly bolt for high-speed rail equipment according to the present invention;
FIG. 2 is a sectional view of portion B-B of FIG. 1;
FIG. 3 is a sectional view of the portion A-A in FIG. 1 showing the locking of the anti-disassembly steel ball;
FIG. 4 is a sectional view of the portion A-A of FIG. 1 showing the release of the anti-removal ball.
In the figure: 1-screw, 2-screw head, 3-anti-disassembly steel ball, 11-screw body external thread, 12-anti-disassembly steel ball movable groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, 2, 3 and 4, the utility model relates to an anti-disassembly bolt for high-speed rail equipment, which comprises a screw rod 1, a screw head 2 and an anti-disassembly steel ball 3, wherein the surface of the screw rod 1 is coiled with a screw rod body external thread 11, the upper end of the screw rod 1 is provided with the screw head 2, the surface of the screw rod 1 is provided with an anti-disassembly steel ball movable groove 12 which can be matched with the anti-disassembly steel ball 3, the anti-disassembly steel ball 3 is arranged in the anti-disassembly steel ball movable groove 12, the anti-disassembly steel ball 3 is connected with the anti-disassembly steel ball movable groove 12 in a sliding way, the anti-disassembly steel ball movable groove 12 is arranged in an inclined way, the inclined direction of the anti-disassembly steel ball movable groove 12 is consistent with the inclined direction of the screw thread of the screw rod body external thread 11, the inclined angle of the anti-disassembly steel ball movable groove 12 is larger than the screw thread inclined angle of the, the depth of the anti-disassembly steel ball movable groove 12 close to the screw head 2 end is deep, the depth of the anti-disassembly steel ball movable groove 12 far away from the screw head 2 end is shallow, when the anti-disassembly steel ball 3 is matched with the deep end of the groove depth of the anti-disassembly steel ball movable groove 12, the anti-disassembly steel ball 3 can be completely contained in the anti-disassembly steel ball movable groove 12, when the anti-disassembly steel ball 3 is matched with the shallow end of the groove depth of the anti-disassembly steel ball movable groove 12, one end of the anti-disassembly steel ball 3 protrudes out of the anti-disassembly steel ball movable groove 12, and the screw rod 1 and the screw head 2 are integrally formed.
The utility model discloses the working process:
the utility model relates to a high-speed railway is anti-disassembly bolt for equipment is in the course of the work, twist threaded hole with screw rod 1 through the cooperation of screw rod body external screw thread 11 with the screw hole, when screw rod 1 forward rotation is screwed up, anti-disassembly steel ball 3 can be owing to with the screw hole between the effect of friction force down slide in anti-disassembly steel ball activity groove 12 the groove depth degree deep end, when wanting with screw rod 1 reverse rotation when running out, anti-disassembly steel ball 3 is because the groove depth degree shallow end of anti-disassembly steel ball activity groove 12 of gliding under the effect of gravity, anti-disassembly steel ball 3 blocks the bolt with the screw hole cooperation, the unable reverse rotation of bolt, can't dismantle.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (4)
1. The utility model provides a high-speed railway is anti-disassembly bolt for equipment which characterized in that: including screw rod (1), spiral shell head (2), anti-disassembly steel ball (3), screw rod (1) surface coil and be equipped with screw rod body external screw thread (11), screw rod (1) upper end be equipped with spiral shell head (2), screw rod (1) surface be equipped with can with anti-disassembly steel ball (3) complex anti-disassembly steel ball movable groove (12), anti-disassembly steel ball (3) locate in anti-disassembly steel ball movable groove (12), anti-disassembly steel ball (3) and anti-disassembly steel ball movable groove (12) sliding connection.
2. The disassembly-preventing bolt for high-speed rail equipment as claimed in claim 1, wherein: the anti-disassembly steel ball movable groove (12) is obliquely arranged, the oblique direction of the anti-disassembly steel ball movable groove (12) is consistent with the thread oblique direction of the screw rod body external thread (11), and the oblique angle of the anti-disassembly steel ball movable groove (12) is larger than the thread oblique angle of the screw rod body external thread (11).
3. The disassembly-preventing bolt for high-speed rail equipment as claimed in claim 1, wherein: the both ends depth of groove of anti-disassembly steel ball movable slot (12) different, the degree of depth that is close to spiral shell head (2) end of anti-disassembly steel ball movable slot (12) darker, the degree of depth of keeping away from spiral shell head (2) end of anti-disassembly steel ball movable slot (12) shallower, anti-disassembly steel ball (3) and anti-disassembly steel ball movable slot (12) depth of groove during the end cooperation that is darker, anti-disassembly steel ball (3) can be accomodate in anti-disassembly steel ball movable slot (12) completely, anti-disassembly steel ball (3) and anti-disassembly steel ball movable slot (12) depth of groove during the end cooperation that is shallower, anti-disassembly steel ball movable slot (12) of anti-disassembly steel ball (3) one end protrusion.
4. The disassembly-preventing bolt for high-speed rail equipment as claimed in claim 1, wherein: the screw rod (1) and the screw head (2) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921458231.1U CN210637362U (en) | 2019-09-04 | 2019-09-04 | Anti-disassembly bolt for high-speed rail equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921458231.1U CN210637362U (en) | 2019-09-04 | 2019-09-04 | Anti-disassembly bolt for high-speed rail equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210637362U true CN210637362U (en) | 2020-05-29 |
Family
ID=70797022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921458231.1U Expired - Fee Related CN210637362U (en) | 2019-09-04 | 2019-09-04 | Anti-disassembly bolt for high-speed rail equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210637362U (en) |
-
2019
- 2019-09-04 CN CN201921458231.1U patent/CN210637362U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204610491U (en) | Backing-up screw | |
| CN207921095U (en) | A kind of double nut reverse thread anti-loosing fixing device | |
| CN111271363B (en) | Combination of bolt and nut for train track for realizing self-locking by using communicating vessel principle | |
| CN210637362U (en) | Anti-disassembly bolt for high-speed rail equipment | |
| CN206830612U (en) | A kind of stop nut | |
| CN109083921A (en) | A kind of steel tower anti-theft nut | |
| CN210440410U (en) | High-strength anti-disassembly bolt for wind power equipment | |
| CN104454914A (en) | Plough type ratchet pad lock catch anti-loose device for railway touching net | |
| CN109973503B (en) | Rail nut with latch type protection device | |
| CN109296612B (en) | Antitheft bolt with good antitheft effect | |
| CN204344652U (en) | A kind of railway contact line plough sour jujube pad snap close locking device | |
| CN203051378U (en) | Anti-loosening preloaded bolt | |
| CN202790003U (en) | Anti-rotating locknut | |
| CN204082861U (en) | A kind of high ferro contact net to be interlocked locking securing means with special-shaped sour jujube pad | |
| CN203051366U (en) | Fastening screw | |
| CN210885088U (en) | Novel brake guide pillar | |
| CN208997147U (en) | A kind of steel tower anti-theft nut | |
| CN209146113U (en) | A kind of double anti-loosing nut | |
| CN203926311U (en) | Two eccentric mechanism screw retentions | |
| CN213511606U (en) | Taper needle type anti-theft bolt | |
| CN206785829U (en) | A kind of Multifunctional bolt | |
| CN110439913A (en) | A kind of high-intensitive anti-demounting bolt of wind power equipment | |
| CN214578212U (en) | Hexagon bolt with length adjustment mechanism | |
| CN211975641U (en) | Internal retaining nut | |
| CN111692193B (en) | Automobile ignition coil contactor connecting piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |