CN214006764U - Locking device of guardrail - Google Patents
Locking device of guardrail Download PDFInfo
- Publication number
- CN214006764U CN214006764U CN202022112909.XU CN202022112909U CN214006764U CN 214006764 U CN214006764 U CN 214006764U CN 202022112909 U CN202022112909 U CN 202022112909U CN 214006764 U CN214006764 U CN 214006764U
- Authority
- CN
- China
- Prior art keywords
- pin shaft
- hole
- guardrail
- locking device
- guide sleeve
- 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
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a simple structure, lower guardrail's of cost locking device, its structure includes: the safety guard comprises a mounting support and a pin shaft, wherein a pin shaft baffle is arranged on the mounting support, a pin shaft through hole matched with a lock shaft is formed in the pin shaft baffle, a guide cylinder communicated with the pin shaft through hole is arranged on the pin shaft baffle, a bottom plate is arranged at the bottom of the guide cylinder, the pin shaft movably penetrates through the pin shaft through hole of the pin shaft baffle, the inner end of the pin shaft is positioned in the guide cylinder and is provided with a limiting boss for preventing the pin shaft from sliding out of the pin shaft through hole, a reset spring is arranged between the inner end of the pin shaft and the bottom plate in the guide cylinder, and a locking hole matched with the pin shaft is formed in the safety guard. The locking device of the guardrail can be widely applied to various beds with guardrails.
Description
Technical Field
The utility model relates to a locking device especially involves a locking device of guardrail.
Background
At present, the traditional guardrail has no locking device which is arranged separately, and the lifting and the locking of the traditional guardrail are realized by a lifting locking device which is one component of the lifting locking device. The locking device is complex in structure and high in manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a technical problem that will solve is: the guardrail locking device is simple in structure and low in cost.
In order to solve the technical problem, the utility model discloses a technical scheme does: a locking device of a guardrail comprising: the safety guard comprises a mounting support and a pin shaft, wherein a pin shaft baffle is arranged on the mounting support, a pin shaft through hole matched with a lock shaft is formed in the pin shaft baffle, a guide cylinder communicated with the pin shaft through hole is arranged on the pin shaft baffle, a bottom plate is arranged at the bottom of the guide cylinder, the pin shaft movably penetrates through the pin shaft through hole of the pin shaft baffle, the inner end of the pin shaft is positioned in the guide cylinder and is provided with a limiting boss for preventing the pin shaft from sliding out of the pin shaft through hole, a reset spring is arranged between the inner end of the pin shaft and the bottom plate in the guide cylinder, and a locking hole matched with the pin shaft is formed in the safety guard.
As a preferable scheme, in the locking device of the guardrail, the guardrail is a plastic piece, a guide sleeve made of metal is embedded on the inner side of a locking hole of the guardrail, and the pin shaft is movably arranged in the guide sleeve in a penetrating manner.
As a preferable mode, in the locking device of a guardrail, the guide sleeve is specifically provided in a manner that: the guardrail is provided with a guide sleeve mounting hole which is tightly matched with the guide sleeve on the inner side of the locking hole of the guardrail, and the guide sleeve is tightly matched and mounted in the guide sleeve mounting hole.
As a preferable scheme, in the locking device of the guardrail, the pin shaft is of a hollow structure, a hole for reducing weight is formed in the end face of the inner end of the pin shaft, and the diameter of the hole for reducing weight is smaller than the outer diameter of the return spring; in a further preferred embodiment, the weight-reducing hole is formed along an axis of the pin shaft.
The utility model has the advantages that: the utility model discloses a locking device who establishs alone, whole locking device's structure is very simple reliable, and the cost is lower, moreover, and the operation is very simple.
Drawings
Fig. 1 is a schematic structural view of a child bed using the locking device of the present invention.
Fig. 2 is an enlarged schematic view of the guardrail and associated mechanisms of the figure.
Fig. 3 is a schematic sectional structure view of B-B of fig. 2.
Fig. 4 is an enlarged schematic structural view of a portion C in fig. 3.
Reference numerals in fig. 1 to 4: 1. guardrail, 2, installing support, 3, round pin axle baffle, 31, round pin axle via hole, 4, guide cylinder, 41, bottom plate, 5, round pin axle, 51, hole for weight reduction, 52, spacing boss, 6, uide bushing, 8, reset spring.
Detailed Description
The following describes in detail a locking device of a guardrail according to the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 4, the locking device of a guardrail of the present invention comprises: the safety guard rail comprises a mounting bracket 2 and a pin shaft 5, wherein a pin shaft baffle plate 3 is arranged on the mounting bracket 2, a pin shaft through hole matched with a lock shaft 5 is formed in the pin shaft baffle plate 3, a guide cylinder 4 communicated with the pin shaft through hole is arranged on the pin shaft baffle plate 3, a bottom plate 41 for sealing is arranged at the bottom of the guide cylinder 4, the pin shaft 5 is movably arranged in the pin shaft through hole 31 of the pin shaft baffle plate 3 in a penetrating manner, the inner end of the pin shaft 5 is positioned in the guide cylinder 4 and is provided with a limit boss 52 for preventing the pin shaft 5 from sliding out of the pin shaft through hole 31, a return spring 8 is arranged between the inner end of the pin shaft 5 in the guide cylinder 4 and the bottom plate 41 arranged at the bottom of the guide cylinder 4, and a locking hole matched with the pin shaft 5 is formed in the guard rail 1; in this embodiment, guardrail 1 be the working of plastics, guardrail 1 inlays the uide bushing 6 that is equipped with the metal material in the inboard of its locking hole, the concrete setting mode of this uide bushing 6 is: the inner side of the locking hole of the guardrail 1 is provided with a guide sleeve mounting hole tightly matched with the guide sleeve 6, and the guide sleeve 6 is tightly matched and mounted in the guide sleeve mounting hole; the pin shaft 5 is movably arranged in the guide sleeve 6 in a penetrating way.
In practical application, in order to reduce the weight of the pin 5, a hole 51 for reducing the weight is formed in the inner end surface of the pin 5 along the axis of the pin 5, so that the pin 5 forms a hollow structure, and the diameter of the hole 51 for reducing the weight is smaller than the outer diameter of the return spring 8.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the shapes, structures, features and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A locking device of a guardrail comprising: installing support and round pin axle, its characterized in that: the mounting bracket is provided with a pin shaft baffle plate, the pin shaft baffle plate is provided with a pin shaft through hole matched with the lock shaft, the pin shaft baffle plate is provided with a guide cylinder communicated with the pin shaft through hole, the bottom of the guide cylinder is provided with a bottom plate, the pin shaft movably penetrates through the pin shaft through hole of the pin shaft baffle plate, the inner end of the pin shaft is positioned in the guide cylinder and is provided with a limiting boss for preventing the pin shaft from sliding out of the pin shaft through hole, a reset spring is arranged between the inner end of the pin shaft and the bottom plate in the guide cylinder, and a locking hole matched with the pin shaft is formed in the guardrail.
2. The locking device of a guardrail of claim 1, wherein: the guardrail is a plastic piece, a guide sleeve made of metal materials is embedded on the inner side of the locking hole of the guardrail, and the pin shaft is movably arranged in the guide sleeve in a penetrating mode.
3. The locking device of a guardrail of claim 2, wherein: the specific setting mode of uide bushing does: the guardrail is provided with a guide sleeve mounting hole which is tightly matched with the guide sleeve on the inner side of the locking hole of the guardrail, and the guide sleeve is tightly matched and mounted in the guide sleeve mounting hole.
4. A locking device of a guard rail according to claim 1, 2 or 3, wherein: the pin shaft is of a hollow structure, a hole for reducing weight is formed in the inner end face of the pin shaft inwards, and the diameter of the hole for reducing weight is smaller than the outer diameter of the reset spring.
5. The locking device of a guardrail of claim 4, wherein: the weight-reducing hole is formed along the axis of the pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022112909.XU CN214006764U (en) | 2020-09-23 | 2020-09-23 | Locking device of guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022112909.XU CN214006764U (en) | 2020-09-23 | 2020-09-23 | Locking device of guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214006764U true CN214006764U (en) | 2021-08-20 |
Family
ID=77298171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022112909.XU Active CN214006764U (en) | 2020-09-23 | 2020-09-23 | Locking device of guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214006764U (en) |
-
2020
- 2020-09-23 CN CN202022112909.XU patent/CN214006764U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214006764U (en) | Locking device of guardrail | |
| CN106798614A (en) | A kind of happiness car | |
| CN206243235U (en) | One kind slides steering spindle | |
| CN211370967U (en) | Check bolt convenient to use | |
| CN205905733U (en) | Tail -gate side direction stop device | |
| CN201686443U (en) | Small forklift with locking function | |
| CN218407045U (en) | Guide rail mechanism with locking function | |
| CN220374193U (en) | Central control wheel | |
| CN203319643U (en) | Forklift leaf chain accessory | |
| CN203402005U (en) | Backrest lock of automobile seat | |
| CN207288587U (en) | Fixed rotating shaft press forming die | |
| CN211423292U (en) | Tensioner structure | |
| CN2485215Y (en) | Concave structure for vibration absorbing cushion on front forks of bicycle | |
| CN211834180U (en) | Simple and easy handrail of antifriction type | |
| CN213291059U (en) | Mandrel in hand die holder | |
| CN217233086U (en) | Invisible door lock body | |
| CN107327459A (en) | A kind of sunk head rivet and the riveting parts by its riveting fastening | |
| CN217300213U (en) | Lightweight stopper | |
| CN203142602U (en) | Emergency locking type safety belt | |
| CN210735927U (en) | Fully-enclosed safety pedal at bottom of elevator car | |
| CN210555283U (en) | Anti-theft lock for four-wheel all-terrain vehicle | |
| CN209111980U (en) | Front-row seats of vehicle lifting mechanism | |
| CN212672199U (en) | Anti-rotation nut device | |
| CN215752851U (en) | Novel disc brake upper pump structure | |
| CN214697294U (en) | Hidden handle of subway platform door end door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |