CN214874064U - Novel trailer lock - Google Patents
Novel trailer lock Download PDFInfo
- Publication number
- CN214874064U CN214874064U CN202121323252.XU CN202121323252U CN214874064U CN 214874064 U CN214874064 U CN 214874064U CN 202121323252 U CN202121323252 U CN 202121323252U CN 214874064 U CN214874064 U CN 214874064U
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- China
- Prior art keywords
- hole
- positioning
- fixing rod
- rod
- ball head
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- 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
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- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a novel trailer lock, which comprises a lock seat and a U-shaped lock rod, wherein the lock seat is provided with a positioning connecting rod, the fixing rod is connected with a ball head, the positioning connecting rod comprises a first fixing rod and a second fixing rod, and the bottom of the ball head is respectively provided with a first connecting hole and a second connecting hole which are matched with the first fixing rod and the second fixing rod; a first positioning hole is formed in the fixed rod II, a second positioning hole corresponding to the first positioning hole is also formed in the ball head, and a positioning pin is arranged in the first positioning hole and the second positioning hole in a matching mode; and a jacking hole is formed in the position, corresponding to the second fixing rod, of the ball head and comprises a first sliding hole and a second sliding hole, the diameter of the first sliding hole is larger than that of the second sliding hole to form a second annular step, a push rod is arranged in the second sliding hole, a jacking spring is arranged in the first sliding hole, and a sliding positioning boss which is matched with the first sliding hole and can be abutted against the second annular step is arranged at the lower end of the push rod. The utility model discloses the compactness of effectual improvement fastness, effectual improvement hasp, the further trailer that prevents is stolen.
Description
Technical Field
The utility model relates to a tool to lock technical field specifically is a novel trailer lock is related to.
Background
The trailer lock is more in the application of automobile field, but along with the use needs in the life, the trailer lock also begins to apply on the motorcycle, and people can connect the trailer lock at the rear bracket of motorcycle and drag the line, pulls the trailer through the ball casing on the trailer, locks it with the trailer lock that can match with the ball casing in the period of not using and in order to prevent to be stolen.
The existing trailer lock has the following defects in structure: 1) the ball head matched with the ball cover is generally of an integrated structure with the lock seat, so that the connection strength is insufficient, the ball head is impacted by large external strong force, the stress is concentrated at the connection part of the bottom of the ball head and the lock seat, the ball head is easily damaged by strong force, and the safety is not ensured sufficiently. 2) The U-shaped lock rod is provided with a lock groove which is locked with the inclined surface of the lock tongue in the lock seat, but the adjacent lock grooves have certain clearance distance, when the U-shaped lock rod and the lock ball are tightly attached to the trailer ball cover, the inclined surface of the lock tongue cannot correspond to the lock groove on the U-shaped lock rod, so that the lock tongue can be moved to the next corresponding lock groove for locking, and therefore, the lock groove can be locked, the lock gap can be formed between the U-shaped lock rod and the trailer ball cover, and a thief can use a tool to pry the lock by using the lock gap, so that the trailer is stolen.
Disclosure of Invention
The utility model aims to solve the technical problem that a novel trailer lock is provided, the compactness of effectual improvement fastness, effectual improvement hasp, the further trailer that prevents is stolen.
In order to solve the technical problem, the technical solution of the utility model is as follows:
a novel trailer lock comprises a lock seat and a U-shaped lock rod, wherein a positioning connecting rod is arranged on the lock seat and connected with a ball head, the positioning connecting rod comprises a first fixing rod and a second fixing rod, the diameter of the first fixing rod is larger than that of the second fixing rod and forms a first annular step, and a first connecting hole and a second connecting hole which are matched with the first fixing rod and the second fixing rod are respectively formed in the bottom of the ball head; connecting bosses are uniformly arranged on the circumference of the second fixing rod, so that the second fixing rod and the second connecting hole are in interference fit, a first positioning hole is formed in the second fixing rod, a second positioning hole corresponding to the first positioning hole is also formed in the ball head, and positioning pins are arranged in the first positioning hole and the second positioning hole in a matching manner; the ball head is provided with a top tight hole in a position corresponding to the second fixed rod, the lower end of the top tight hole is communicated with the second connecting hole, the upper end of the top tight hole is communicated with the surface of the ball head, the top tight hole comprises a first sliding hole and a second sliding hole, the diameter of the first sliding hole is larger than that of the second sliding hole and forms a second annular step, an ejector rod is arranged in the second sliding hole, a top tight spring is arranged in the first sliding hole, a sliding positioning boss which is matched with the first sliding hole and can be abutted to the second annular step is arranged at the lower end of the ejector rod, and the lower end of the top tight spring is abutted to the second fixed rod and the upper end of the top tight spring is abutted to the sliding positioning boss.
And the lock seat and the circumference of the first fixing rod are provided with a first annular positioning groove, and the bottom of the ball head is positioned in the first annular positioning groove.
An annular positioning boss is arranged on the annular step I, and an annular positioning groove II correspondingly matched with the annular positioning boss is arranged in the ball head.
The diameter of the first sliding hole is smaller than that of the second fixing rod.
The utility model discloses the technological effect that can reach is:
compared with the prior art, the utility model has the advantages that the first fixing rod and the second fixing rod are arranged on the lock seat, the first connecting hole and the second connecting hole which are arranged on the ball head are matched and connected with the first fixing rod and the second fixing rod on the lock seat, and meanwhile, the ball head is fixedly connected with the second fixing rod through the positioning pin, so that the ball head can act on the inner connecting part of the first fixing rod, the second fixing rod and the ball head when being subjected to external force; moreover, the force applied to the ball head can also act on one position of the annular positioning groove on the lock seat through the bottom, so that the external force applied to the ball head is prevented from acting on the positioning connecting rod only, and the phenomenon that the stress is concentrated at the joint of the ball head and the lock seat is effectively avoided, and the safety of the trailer lock is integrally improved; the positioning pin and the connecting boss are arranged to ensure that the ball head and the lock seat are stably connected.
Compared with the prior art, the utility model discloses inside at the bulb is provided with the ejector pin, the ejector pin exposes the bulb under the state of the no pressure of top tension spring, in-process using, press U type locking lever, U type locking lever upper pressure passes through the ball cover and acts on the ejector pin, when the application of force is to suitable degree, make the locking groove on the U type locking lever correspond the hasp with the spring bolt inclined plane, the elasticity effect of top tension spring makes U type locking lever, keep closely laminating between the trailer ball cover, and also keep two inseparable relatively top tension between bulb and trailer ball cover, stealer hardly prizes the lock under such condition, effectual improvement theftproof nature.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
fig. 1 is a structural view of the present invention.
Detailed Description
Referring to fig. 1, the utility model provides a novel trailer lock, including lock seat 1, U type locking lever 2, be provided with location connecting rod 3 on the lock seat 1, location connecting rod 3 is connected with bulb 4, location connecting rod 3 includes dead lever one 5 and dead lever two 6, the diameter of dead lever one 5 is greater than the diameter of dead lever two 6 and forms annular step one 7, bulb 4 bottom is provided with connecting hole one 8 and connecting hole two 9 with dead lever one 5, dead lever two 6 matching respectively; connecting bosses 10 are uniformly arranged on the circumference of the second fixing rod 6, so that the second fixing rod 6 and the second connecting hole 9 are in interference fit, a first positioning hole 11 is formed in the second fixing rod 6, a second positioning hole 12 corresponding to the first positioning hole 11 is also formed in the ball head 4, and positioning pins 13 are arranged in the first positioning hole 11 and the second positioning hole 12 in a matching manner; the ball head 4 is provided with a top tight hole 14 at a position corresponding to the second fixing rod 6, the lower end of the top tight hole 14 is communicated with the second connecting hole 9, the upper end of the top tight hole is communicated with the surface of the ball head 4, the top tight hole 14 comprises a first sliding hole 15 and a second sliding hole 16, the diameter of the first sliding hole 15 is larger than that of the second sliding hole 16 to form a second annular step 17, an ejector rod 18 is arranged in the second sliding hole 16, a top tight spring 19 is arranged in the first sliding hole 15, the lower end of the ejector rod 18 is provided with a sliding positioning boss 20 which is matched with the first sliding hole 15 and can be abutted against the second annular step 17, the lower end of the top tight spring 19 is abutted against the second fixing rod 6, and the upper end of the top tight spring is abutted against the sliding positioning boss 20.
An annular positioning groove I21 is formed in the lock seat 1 and on the circumference of the fixing rod I5, and the bottom of the ball head 4 is located in the annular positioning groove I21; the external force applied to the ball head 4 is prevented from acting on the positioning connecting rod 3.
An annular positioning boss 22 is arranged on the annular step I7, and an annular positioning groove II 23 correspondingly matched with the annular positioning boss 22 is arranged in the ball head 4; the external force born by the joint of the first fixing rod 5 and the second fixing rod 6 is effectively improved.
The diameter of the first sliding hole 15 is smaller than that of the second fixing rod 6.
The above detailed description is given to a novel trailer lock provided by the embodiment of the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understand the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (4)
1. The utility model provides a novel trailer lock, includes lock seat, U type locking lever, its characterized in that: the lock seat is provided with a positioning connecting rod, the positioning connecting rod is connected with a ball head, the positioning connecting rod comprises a first fixing rod and a second fixing rod, the diameter of the first fixing rod is larger than that of the second fixing rod and forms a first annular step, and the bottom of the ball head is provided with a first connecting hole and a second connecting hole which are matched with the first fixing rod and the second fixing rod respectively; connecting bosses are uniformly arranged on the circumference of the second fixing rod, so that the second fixing rod and the second connecting hole are in interference fit, a first positioning hole is formed in the second fixing rod, a second positioning hole corresponding to the first positioning hole is also formed in the ball head, and positioning pins are arranged in the first positioning hole and the second positioning hole in a matching manner; the ball head is provided with a top tight hole in a position corresponding to the second fixed rod, the lower end of the top tight hole is communicated with the second connecting hole, the upper end of the top tight hole is communicated with the surface of the ball head, the top tight hole comprises a first sliding hole and a second sliding hole, the diameter of the first sliding hole is larger than that of the second sliding hole and forms a second annular step, an ejector rod is arranged in the second sliding hole, a top tight spring is arranged in the first sliding hole, a sliding positioning boss which is matched with the first sliding hole and can be abutted to the second annular step is arranged at the lower end of the ejector rod, and the lower end of the top tight spring is abutted to the second fixed rod and the upper end of the top tight spring is abutted to the sliding positioning boss.
2. The novel trailer lock of claim 1, characterized in that: and the lock seat and the circumference of the first fixing rod are provided with a first annular positioning groove, and the bottom of the ball head is positioned in the first annular positioning groove.
3. A new trailer lock as claimed in claim 2, characterised in that: an annular positioning boss is arranged on the annular step I, and an annular positioning groove II correspondingly matched with the annular positioning boss is arranged in the ball head.
4. The novel trailer lock of claim 1, characterized in that: the diameter of the first sliding hole is smaller than that of the second fixing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121323252.XU CN214874064U (en) | 2021-06-15 | 2021-06-15 | Novel trailer lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121323252.XU CN214874064U (en) | 2021-06-15 | 2021-06-15 | Novel trailer lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214874064U true CN214874064U (en) | 2021-11-26 |
Family
ID=78899652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121323252.XU Expired - Fee Related CN214874064U (en) | 2021-06-15 | 2021-06-15 | Novel trailer lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214874064U (en) |
-
2021
- 2021-06-15 CN CN202121323252.XU patent/CN214874064U/en not_active Expired - Fee Related
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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: 20211126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |