CN109228994B - Locking mechanism for sleeper guardrail of truck - Google Patents
Locking mechanism for sleeper guardrail of truck Download PDFInfo
- Publication number
- CN109228994B CN109228994B CN201811162419.1A CN201811162419A CN109228994B CN 109228994 B CN109228994 B CN 109228994B CN 201811162419 A CN201811162419 A CN 201811162419A CN 109228994 B CN109228994 B CN 109228994B
- Authority
- CN
- China
- Prior art keywords
- guardrail
- locking
- sleeper
- supporting rod
- hinge shaft
- 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.)
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- 241001669679 Eleotris Species 0.000 title claims abstract description 32
- 230000001174 ascending effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/008—Arrangements or adaptations of other passenger fittings, not otherwise provided for of beds
Abstract
The utility model belongs to the technical field of sleeper of trucks and relates to a sleeper guardrail locking mechanism of trucks, which comprises a guardrail framework, a front guardrail supporting rod, a rear guardrail supporting rod and a guardrail base, wherein a pneumatic supporting rod is arranged in the guardrail framework, one end of the pneumatic supporting rod is fixed in the middle of the guardrail framework, the other end of the pneumatic supporting rod is hinged with the upper end of the rear guardrail supporting rod through a first hinge shaft, the first hinge shaft is positioned above a rotating shaft connecting the rear guardrail supporting rod and the guardrail framework, the front end of the guardrail framework is provided with a locking assembly, the locking assembly is fixed in the guardrail framework through an elastic assembly and comprises a front locking switch, a middle hinge part and a rear locking block, the locking switch extends out of the guardrail framework, the hinge part is hinged in the guardrail framework through a second hinge shaft, and the locking block blocks the top of the front guardrail supporting rod. The locking mechanism for the sleeper guard rail of the truck is simple in structure, convenient to adjust and high in supporting strength.
Description
Technical Field
The utility model belongs to the technical field of sleeper of trucks and relates to a locking mechanism of a sleeper guardrail of a truck.
Background
In a truck cab, due to the relatively small space, people prefer to turn over when lying on a lower sleeper for rest, and the lower sleeper lacks a corresponding protection device, so that accidents are easy to occur. For a truck driver, the safety is an important index, the sleeper protection device is an important part of the safety of the sleeper, the sleeper guardrail is designed to be folding for facilitating the use of passengers, and the guardrail is supported when in use and can be folded when the protection is not needed, so that the safety protection device is simple and convenient.
Chinese utility model CN206297441U discloses a folding truck sleeper guard rail, comprising a sleeper main body, a guard rail bracket, a guard rail cross bar and two guard rail rotating arms, wherein the guard rail bracket is fixedly connected with the sleeper main body, and the guard rail bracket is provided with an upward opening containing groove; the guardrail cross rod is provided with a groove with a downward opening; one ends of the two guardrail rotating arms respectively extend into the accommodating groove and are rotationally connected with the side wall of the accommodating groove, and the other ends of the two guardrail rotating arms respectively extend into the groove and are rotationally connected with the side wall of the groove. Simultaneously, also disclose locking mechanism: the folding switch comprises a connecting rod, the middle part of the connecting rod is rotationally connected with the side wall of the groove, and two ends of the connecting rod are respectively provided with a buckle and a pressing end; a notch is formed in one end, close to the guardrail cross rod, of the guardrail rotary arm, and the notch can be matched with the buckle; the guardrail cross rod is provided with a switch mounting hole, and the pressing end is arranged in the switch mounting hole.
The folding truck sleeper guardrail has the following defects: the locking mechanism is fixed by only one buckle, so that the locking mechanism is low in strength and easy to damage; the switch button is arranged on the guardrail cross rod, and the switch button is easy to be pressed when a passenger sleeps, so that the guardrail is pressed to be folded, and the protection effect is lost.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the locking mechanism for the sleeper guardrail of the truck, which has the advantages of simple structure, convenient adjustment, high supporting strength, safety and reliability.
In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme:
the utility model provides a freight train sleeper guardrail locking mechanism, includes the guardrail skeleton, preceding guardrail vaulting pole, back guardrail vaulting pole and guardrail base, set up the ascending holding tank of opening on the guardrail skeleton, set up the ascending holding tank of opening on the guardrail base, the lateral wall swivelling joint of first rotation axis and recess is passed through to the upper end of preceding guardrail vaulting pole, and the lower extreme passes through the lateral wall swivelling joint of second rotation axis and holding tank, the upper end of back guardrail vaulting pole passes through the lateral wall swivelling joint of third rotation axis and recess, and the lower extreme passes through the lateral wall swivelling joint of fourth rotation axis and holding tank, the front end of guardrail skeleton is provided with locking subassembly, and locking subassembly passes through elastic component to be fixed in the recess, including the locking switch of front portion, the articulated portion at middle part, outside the locking switch stretches out the guardrail skeleton, the articulated portion is articulated on the lateral wall of recess through the second articulated shaft, the top of preceding guardrail vaulting pole is blocked to the locking piece.
A pneumatic stay bar is arranged in the groove of the guardrail framework, one end of the pneumatic stay bar is fixed in the middle of the guardrail framework, the other end of the pneumatic stay bar is hinged with the upper end of the rear guardrail stay bar through a first hinge shaft, and the first hinge shaft is located above the third rotating shaft.
The specific structure of the elastic component is as follows: the rear side of the locking switch is provided with a locking groove, one section of an L-shaped clamp spring is arranged in the locking groove, the other section of the L-shaped clamp spring is fixed at the top of the groove, a connecting rod is arranged above the front guardrail supporting rod, one end of the connecting rod is hinged to the side wall of the groove through a third hinge shaft, the other end of the connecting rod is provided with a fourth hinge shaft, and the second hinge shaft and the fourth hinge shaft are fixed through tensioning springs.
The fourth hinge shaft is positioned between the second hinge shaft and the front guardrail stay.
The two tensioning springs are respectively positioned at two sides of the locking component.
The middle part of the guardrail framework is provided with a fixing hole, and one end of the pneumatic stay bar is arranged in the fixing hole.
The front guardrail supporting rod and the rear guardrail supporting rod are identical in structure, a rotating hole and a hinge hole are formed in the front guardrail supporting rod and the rear guardrail supporting rod, a rotating shaft is installed in the rotating hole, a first hinge shaft is installed in the hinge hole of the rear guardrail supporting rod, and the front guardrail supporting rod is hinged Kong Kongzhi.
The step structure is arranged between the rotating hole and the hinge hole, the step structure is composed of an upper end face and a front side face, the shape of a locking block of the locking assembly is matched with the step structure, the front guardrail supporting rod is locked, and the step structure of the rear guardrail supporting rod is empty.
The lower ends of the front guardrail stay bar and the rear guardrail stay bar are provided with forward turning legs, the turning legs are accommodated in the accommodating grooves in the folded state, and other parts of the front guardrail stay bar and the rear guardrail stay bar are positioned outside the accommodating grooves.
The accommodating grooves are respectively arranged in front and back.
Compared with the prior art, the utility model has the following beneficial effects:
1. the front guardrail stay bar is fixed through the locking component fixed by the spring component, and the unique structure ensures that the locking is more fastened and the safety performance is higher.
2. According to the utility model, the movement of the guardrail framework is buffered through the pneumatic stay bars, so that the adjustment is more gentle and more convenient.
3. The locking button is arranged at the front end of the guardrail framework, so that passengers can not touch the locking button by mistake even if the passengers roll left and right during use, and further safety accidents occur.
Drawings
FIG. 1 is a block diagram of a locked state of the present utility model;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a block diagram of an unlocked state of the present utility model;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is a block diagram of the folded state of the present utility model;
reference numerals: 1. a guardrail framework; 2. a front guardrail stay; 3. a rear guardrail stay; 4. a guardrail base; 5. a first rotation shaft; 6. a second rotation shaft; 7. a third rotation shaft; 8. a fourth rotation shaft; 9. a pneumatic stay bar; 10. a first hinge shaft; 11. a locking assembly; 11a, a locking switch; 11b, a hinge; 11c, locking blocks; 11d, a locking groove; 12. a second hinge shaft; 13. l-shaped clamp springs; 14. a connecting rod; 15. a third hinge shaft; 16. a fourth hinge shaft; 17. tensioning the spring; 18. a step structure; 19. and (5) turning feet.
Detailed Description
The utility model is further described in the following embodiments with reference to the figures, see fig. 1-5:
the utility model provides a freight train sleeper guardrail locking mechanism, includes guardrail skeleton 1, preceding guardrail vaulting pole 2, back guardrail vaulting pole 3 and guardrail base 4, the downward recess of opening has been seted up on the guardrail skeleton 1, has seted up the ascending holding tank of opening on the guardrail base 4, the upper end of preceding guardrail vaulting pole 2 is through the lateral wall swivelling joint of first rotation axis 5 and recess, and the lower extreme passes through the lateral wall swivelling joint of second rotation axis 6 and holding tank, the upper end of back guardrail vaulting pole 3 is through the lateral wall swivelling joint of third rotation axis 7 and recess, and the lower extreme passes through the lateral wall swivelling joint of fourth rotation axis 8 and holding tank, the front end of guardrail skeleton 1 is provided with locking subassembly 11, and locking subassembly 11 is fixed in the recess through elastic component, including the locking switch 11a in the front portion, the articulated portion 11b at middle part, the locking piece 11c at rear portion, locking switch 11a stretches out outside guardrail skeleton 1, articulated portion 11b articulates on the lateral wall of recess through second articulated shaft 12, the top of locking piece 11c blocks preceding guardrail vaulting pole 2.
Referring to fig. 1 and 2, when the sleeper guard rail is in a locked state, the elastic assembly fixes the locking assembly 11, the locking block 11c of the locking assembly 11 is located at the top of the front guard rail supporting rod 2, and the locking block 11c prevents the front guard rail supporting rod 2 from moving, thereby preventing the whole sleeper guard rail from moving.
Referring to fig. 3 and 4, the front end of the locking switch 11a is of an inclined structure that is retracted and protruded downward, and when the locking switch 11a is pressed, the locking assembly 11 rotates around the second hinge shaft to drive the locking block 11c to move upward, so that the locking block is separated from the top of the front guardrail supporting rod 2, and the movement of the front guardrail supporting rod 2 is not prevented, so that the sleeper guardrail is in an unlocked state.
Referring to fig. 5, after the lock switch 11a is pressed, the guard rail frame 1 is pulled to move forward and downward, and finally the sleeper guard rail is in a folded state.
The groove of the guardrail framework 1 is internally provided with a pneumatic stay bar 9, one end of the pneumatic stay bar 9 is fixed in the middle of the guardrail framework 1, the other end of the pneumatic stay bar is hinged with the upper end of the rear guardrail stay bar 3 through a first hinge shaft 10, and the first hinge shaft 10 is positioned above the third rotating shaft 7. The pneumatic stay bar 9 is used for buffering the movement of the guardrail skeleton 1.
The specific structure of the elastic component is as follows: the rear side of the locking switch 11a is provided with a locking groove 11d, one section of an L-shaped clamp spring 13 is arranged in the locking groove 11d, the other section of the L-shaped clamp spring 13 is fixed at the top of the groove, a connecting rod 14 is arranged above the front guardrail supporting rod 2, one end of the connecting rod 14 is hinged on the side wall of the groove through a third hinge shaft 15, the other end of the connecting rod 14 is provided with a fourth hinge shaft 16, and the second hinge shaft 12 and the fourth hinge shaft 16 are fixed through a tensioning spring 17. The elastic component is used for fixing the locking component 11 and resetting the locking component 11 after releasing the button.
For better tightening of the locking assembly 11, the fourth hinge shaft 16 is located between the second hinge shaft 12 and the front rail stay 2.
The tension springs 17 are two and are respectively located at two sides of the locking assembly 11.
The middle part of the guardrail framework 1 is provided with a fixing hole, and one end of a pneumatic stay bar 9 is arranged in the fixing hole.
The front guardrail stay 2 and the rear guardrail stay 3 have the same structure, are provided with a rotating hole and a hinge hole, the rotating hole is provided with a rotating shaft, the hinge hole of the rear guardrail stay 3 is provided with a first hinge shaft 10, and the hinge Kong Kongzhi of the front guardrail stay 2 is provided with a hinge. The same structure is convenient for the production of accessories, and saves cost.
The step structure 18 is arranged between the rotating hole and the hinge hole, the step structure 18 is composed of an upper end face and a front side face, the shape of the locking block 11c of the locking assembly 11 is matched with that of the step structure 18, and meanwhile the upper end face and the front side face are locked, and then the front guardrail supporting rod 2 is locked, and the step structure 18 of the rear guardrail supporting rod 3 is empty.
The lower ends of the front guardrail stay bar 2 and the rear guardrail stay bar 3 are provided with forward turning legs 19, the turning legs 19 are accommodated in the accommodating grooves in the folded state, and other parts of the front guardrail stay bar 2 and the rear guardrail stay bar 3 are positioned outside the accommodating grooves.
The holding grooves are respectively arranged front and back, no groove structure exists between the front holding groove and the back holding groove, and the structural strength of the guardrail base 4 is further improved.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The utility model provides a freight train sleeper guardrail locking mechanism, includes guardrail skeleton (1), preceding guardrail vaulting pole (2), back guardrail vaulting pole (3) and guardrail base (4), open-ended decurrent recess has been seted up on guardrail skeleton (1), open-ended ascending holding tank has been seted up on guardrail base (4), the upper end of preceding guardrail vaulting pole (2) is through first rotation axis (5) and the lateral wall swivelling joint of recess, the lower extreme is through second rotation axis (6) and the lateral wall swivelling joint of holding tank, the upper end of back guardrail vaulting pole (3) is through third rotation axis (7) and the lateral wall swivelling joint of recess, the lower extreme is through fourth rotation axis (8) and the lateral wall swivelling joint of holding tank, characterized in that, the front end of guardrail skeleton (1) is provided with locking subassembly (11), and locking subassembly (11) are fixed in the recess through the elastic component, including the locking switch (11 a) of front portion, hinge (11 b) at the middle part, locking piece (11 c) at the rear portion, locking switch (11 a) stretches out guardrail skeleton (1) and the lateral wall swivelling joint of recess, hinge joint (12) at the top of the guardrail (11 c) is blocked through hinge joint (11 b);
the specific structure of the elastic component is as follows: the rear side of the locking switch (11 a) is provided with a clamping groove (11 d), one section of an L-shaped clamp spring (13) is arranged in the clamping groove (11 d), the other section of the L-shaped clamp spring (13) is fixed at the top of the groove, a connecting rod (14) is arranged above the front guardrail supporting rod (2), one end of the connecting rod (14) is hinged to the side wall of the groove through a third hinge shaft (15), the other end of the connecting rod is provided with a fourth hinge shaft (16), and the second hinge shaft (12) and the fourth hinge shaft (16) are fixed through a tensioning spring (17).
2. The sleeper guardrail locking mechanism of the truck according to claim 1, wherein a pneumatic supporting rod (9) is arranged in a groove of the guardrail framework (1), one end of the pneumatic supporting rod (9) is fixed in the middle of the guardrail framework (1), the other end of the pneumatic supporting rod is hinged with the upper end of the rear guardrail supporting rod (3) through a first hinge shaft (10), and the first hinge shaft (10) is located above the third rotating shaft (7).
3. A sleeper guard locking mechanism as claimed in claim 1 wherein the fourth hinge shaft (16) is located between the second hinge shaft (12) and the front guard rail strut (2).
4. A locking mechanism for a sleeper guard as claimed in claim 1 wherein there are two tension springs (17) on each side of the locking assembly.
5. The locking mechanism of the sleeper guard rail of the truck as claimed in claim 2, wherein the middle part of the guard rail framework (1) is provided with a fixing hole, and one end of the pneumatic stay bar (9) is arranged in the fixing hole.
6. The sleeper guardrail locking mechanism of a truck as described in claim 1, wherein said front guardrail stay (2) and said rear guardrail stay (3) are of the same construction and are provided with swivel and hinge apertures.
7. The sleeper guard bar locking mechanism as claimed in claim 6, wherein a step structure (18) is provided between the rotation hole and the hinge hole, and the shape of the locking block (11 c) of the locking assembly (11) is matched with the step structure (18).
8. The sleeper guardrail locking mechanism of a truck as described in claim 1, wherein the lower ends of the front guardrail stay (2) and the rear guardrail stay (3) are provided with forward turning legs (19), the turning legs (19) are accommodated in the accommodating grooves in the folded state, and other parts of the front guardrail stay (2) and the rear guardrail stay (3) are positioned outside the accommodating grooves.
9. The sleeper guard bar locking mechanism as described in claim 8 wherein said receiving slots are disposed fore and aft respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162419.1A CN109228994B (en) | 2018-09-30 | 2018-09-30 | Locking mechanism for sleeper guardrail of truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162419.1A CN109228994B (en) | 2018-09-30 | 2018-09-30 | Locking mechanism for sleeper guardrail of truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109228994A CN109228994A (en) | 2019-01-18 |
| CN109228994B true CN109228994B (en) | 2024-04-16 |
Family
ID=65055615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811162419.1A Active CN109228994B (en) | 2018-09-30 | 2018-09-30 | Locking mechanism for sleeper guardrail of truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109228994B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204199857U (en) * | 2014-10-22 | 2015-03-11 | 宋立新 | A kind of guardrail |
| CN205044590U (en) * | 2015-10-20 | 2016-02-24 | 上汽依维柯红岩商用车有限公司 | Heavy commercial car sleeping berth guardrail |
| CN206297441U (en) * | 2016-12-28 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | Collapsible sleeping berth of truck guardrail |
| CN207157013U (en) * | 2017-08-09 | 2018-03-30 | 合肥云鹤安道拓汽车座椅有限公司 | A kind of new automobile sleeping berth guardrail |
| CN208774602U (en) * | 2018-09-30 | 2019-04-23 | 浙江天成自控股份有限公司 | A kind of lorry sleeping berth guardrail lockable mechanism |
-
2018
- 2018-09-30 CN CN201811162419.1A patent/CN109228994B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204199857U (en) * | 2014-10-22 | 2015-03-11 | 宋立新 | A kind of guardrail |
| CN205044590U (en) * | 2015-10-20 | 2016-02-24 | 上汽依维柯红岩商用车有限公司 | Heavy commercial car sleeping berth guardrail |
| CN206297441U (en) * | 2016-12-28 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | Collapsible sleeping berth of truck guardrail |
| CN207157013U (en) * | 2017-08-09 | 2018-03-30 | 合肥云鹤安道拓汽车座椅有限公司 | A kind of new automobile sleeping berth guardrail |
| CN208774602U (en) * | 2018-09-30 | 2019-04-23 | 浙江天成自控股份有限公司 | A kind of lorry sleeping berth guardrail lockable mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109228994A (en) | 2019-01-18 |
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