CN205060580U - Back door locking mechanism of sanitation car - Google Patents
Back door locking mechanism of sanitation car Download PDFInfo
- Publication number
- CN205060580U CN205060580U CN201520709578.4U CN201520709578U CN205060580U CN 205060580 U CN205060580 U CN 205060580U CN 201520709578 U CN201520709578 U CN 201520709578U CN 205060580 U CN205060580 U CN 205060580U
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- dop
- locker
- back door
- locking
- pin shaft
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Abstract
The utility model discloses a back door locking mechanism of sanitation car, it is including the locking hydro -cylinder, the locker, the triangle connecting axle, the locker bearing, dop I, dop II, connecting pin roll I - V, the double threaded screw, the locker bearing is fixed on the body of railway carriage or compartment, the triangle connecting axle is connected to the locking hydro -cylinder, triangle connecting axle and dop I, the double threaded screw, dop II, the locker connects gradually, the locking hydro -cylinder promotes the triangle connecting axle and drives the locker and personally experience sth. Part of the body the railway carriage or compartment and railway carriage or compartment body back door lock, the last three connecting pin roll of locking mechanism is in a straight line, reach self -locking function, and contact line method line angle degree for being not more than 90 from the I central locking of locking wire and process connecting pin roll. The utility model discloses locking mechanism still has self -locking function, contacts line method line angle degree for being not more than 90 from the I central locking of locking wire and process connecting pin roll to it has better sealing between the railway carriage or compartment body and the railway carriage or compartment body back door to have guaranteed, has improved hydro -cylinder life moreover.
Description
Technical field
The utility model relates to a kind of back door catch gear of sanitation cart.
Background technology
The back door catch gear of existing sanitation cart is voussoir back door catch gear, mainly comprise locking cylinder, wedge lock block, lock connecting panel, be locked seat, control to promote wedge lock block by locking cylinder contraction, elongation and realize back door locking and open.In the locked condition, locking cylinder is excessive by diametral load, and locking cylinder is fragile for this structure.And this structure is for ensureing back door locking, and required system pressure is also excessive, flexible or because of under hydraulic pressure leak case suddenly at locking cylinder, the locking state of voussoir latch segment cannot be ensured, and wedge lock block easily loosens, lock not in place and cause back door swill to spill, causing secondary pollution.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of back door catch gear of sanitation cart, and this catch gear overcomes above-mentioned one or more deficiency of prior art, can seal environmental sanitation car body and envelope back door better.
In order to solve the problems of the technologies described above, the utility model comprises locking cylinder, locker, triangle joint axle, locker supporting base, dop I, dop II, connect bearing pin I-V, two-thread screw, grease fitting, locker stay bearing plate is fixed on envelope, locking cylinder connects triangle joint axle, triangle joint axle and dop I, two-thread screw, dop II, locker connects successively, locking cylinder promotes triangle joint axle and drives locker and envelope and envelope back door fastened, when described back door locking mechanism lock is tight, on catch gear, three connection bearing pins are in straight line, reach auto-lock function.The locking contact form of the tight device of described back door locking mechanism lock is linear contact, and the contact wire degree of depth is greater than the over half of back door strength beam height, ensures its coupling mechanism force effect.Catch gear each connection bearing pin in described back door both increases grease fitting, keeps back door catch gear opening and closing smooth and easy.When described back door locking mechanism lock is tight, self-locking wire and the locking contact wire normal angle through being connected bearing pin I center are for being not more than 90 °, and the self-locking avoiding waste-skip to be caused by vibrations, oil cylinder pressure release was in the process of moving lost efficacy.
The technical solution of the utility model is:
A back door catch gear for sanitation cart, is characterized in that, comprises locking cylinder, locker, triangle joint axle, locker supporting base, attaching parts,
Locker supporting base is fixed on casing, and the top of locker supporting base right-hand end and first jiao of triangle joint axle are rotationally connected, and the left-hand end of locker supporting base is external part and is rotationally connected with the middle part of locker;
First jiao of triangle joint axle is rotationally connected with locker supporting base, second jiao of extension bar being rotationally connected locking cylinder, and the first end of triangle and attaching parts is rotationally connected;
Second end of attaching parts and the top of locker are rotationally connected;
The bottom of locker is open end;
A dynamic position of catch gear is: the place of being rotationally connected of attaching parts and locker supporting base and triangle joint axle is positioned on straight line.
Further, described attaching parts comprises dop I, dop II, two-thread screw, and the first end of attaching parts, the second end are respectively dop I, dop II, adopts two-thread screw to connect between dop I, dop II.
Further, the described employing connection bearing pin I ~ V respectively that is rotationally connected connects;
Connect pin shaft II 4 and connect locking support seat 11 and locker, connect first jiao that bearing pin V 10 connects locking support seat 11 and triangle joint axle;
First, second and third angle of triangle joint axle 8 respectively correspondence is provided with the right side, upper, left three pin shaft holes, the right pin shaft hole of triangle joint axle 8 be connected bearing pin V 10 and be connected, connect pin shaft III 7 to be connected with the left pin shaft hole of triangle joint axle 8, connect bearing pin IV 9 and be connected with the upper pin hole of triangle joint axle 8;
The front end of dop II 6 is provided with pin shaft hole, and rear end is provided with tapped bore, the pin shaft hole of dop II 6 be connected pin shaft III 7 and connect;
The left and right two ends of two-thread screw 5 are provided with screw thread, and the right-hand member of two-thread screw 5 is connected with the tapped bore of dop II 6;
The front end of dop I 3 is provided with pin shaft hole, and rear end is provided with tapped bore, and the tapped bore of dop I 3 is connected with two-thread screw 5, connects bearing pin I 2 and is connected with the pin shaft hole of dop I 3;
Top and the middle part of locker 1 are provided with pin shaft hole, the upper pin axis hole of locker 1 be connected bearing pin I 2 and connect, the middle part pin shaft hole of locker 1 be connected pin shaft II 4 and connect;
The extension bar front end of locking cylinder 12 is provided with pin shaft hole, and rear end is provided with Connection Block, the front end pin shaft hole of locking cylinder 12 be connected bearing pin IV 9 and connect.
Further, locking cylinder stretch out stroke make three connect bearing pins I, III, V be in straight line formed self-locking wire.
Further, connect bearing pin I ~ V and be provided with grease fitting.
Further, the connection distance of dop I, dop II is regulated by two-thread screw, and one of dop I, dop II connects distance and reaches self-locking wire with the locking contact wire normal angle through being connected bearing pin I center for being not more than 90 °.
Further, locker bottom contacts with the backing plate on envelope back door is linear, and the contact wire degree of depth is greater than the over half of back door strength beam height.
Further, three angles of described triangle joint axle are for angularly to distribute.
Further, dop I, dop II adopt U-shaped structure, and the perforate of U-shaped dual-side is passed for connection bearing pin I, connection pin shaft III respectively.
Further, the rear end Connection Block of locking cylinder 12 welds with envelope 13, and backing plate 14 welds with envelope back door 15, is provided with silica gel sealing bar in the middle of envelope 13 and envelope back door 15.
The back door locking mechanism lock locking structure of sanitation cart of the present utility model is reasonable, hydraulic efficiency pressure system is stressed little, and have employed catch gear self auto-lock function, the linear contact of locker is good, self-locking wire and the locking contact wire normal angle through being connected bearing pin I center are for being not more than 90 °, ensure that catch gear self-locking was not in the process of moving lost efficacy, make envelope and envelope back door keep sealing preferably.
Accompanying drawing explanation
Fig. 1 is the locking state structural representation of an embodiment of the back door catch gear of sanitation cart of the present utility model;
Fig. 2 is the initial condition structural representation of an embodiment of the back door catch gear of sanitation cart of the present utility model;
Fig. 3 be back door catch gear embodiment of sanitation cart of the present utility model on envelope, lock stateful connection schematic diagram.
1. lockers in figure, 2. connect bearing pin I, 3. dop I, 4. connect pin shaft II, 5. two-thread screw, 6. dop II, 7. connects pin shaft III, 8. triangle joint axle, 9. connects bearing pin IV, 10. connects bearing pin V, 11. locker supporting bases, 12. locking cylinders, 13. envelopes, 14. backing plates, 15. envelope back doors.
Detailed description of the invention
Understand for the ease of persons skilled in the art and realize the utility model, now embodiment of the present utility model being described in further detail by reference to the accompanying drawings.
In Fig. 1 and Fig. 3, the back door tight supporting base 11 of locking mechanism lock of sanitation cart is welded on the strength beam of envelope 13 rear end, front portion and the top of locking support seat 11 are all provided with pin shaft hole, connect the front pin axis hole that pin shaft II 4 is connected to locking support seat 11, connect the upper pin axis hole that bearing pin V 10 is connected to locking support seat 11.Three angles of triangle joint axle 8 are provided with left and right, upper three pin shaft holes, the right pin shaft hole of triangle joint axle 8 be connected bearing pin V 10 and be connected, connect pin shaft III 7 to be connected with the left pin shaft hole of triangle joint axle 8, connect bearing pin IV 9 and be connected with the upper pin hole of triangle joint axle 8.The front end of dop II 6 is provided with pin shaft hole, and rear end is provided with tapped bore, the pin shaft hole of dop II 6 be connected pin shaft III 7 and connect.The left and right two ends of two-thread screw 5 are provided with screw thread, and the right-hand member of two-thread screw 5 is connected with the tapped bore of dop II 6.The front end of dop I 3 is provided with pin shaft hole, and rear end is provided with tapped bore, and the tapped bore of dop I 3 is connected with two-thread screw 5, connects bearing pin I 2 and is connected with the pin shaft hole of dop I 3.Top and the middle part of locker 1 are provided with pin shaft hole, the upper pin axis hole of locker 1 be connected bearing pin I 2 and connect, the middle part pin shaft hole of locker 1 be connected pin shaft II 4 and connect.The front end of locking cylinder 12 is provided with pin shaft hole, rear end is provided with Connection Block, the front end pin shaft hole of locking cylinder 12 be connected bearing pin IV 9 and connect, the rear end Connection Block of locking cylinder 12 welds with envelope 13, backing plate 14 welds with envelope back door 15, and is provided with silica gel sealing bar in the middle of envelope 13 and envelope back door 15.
When mechanism opening is locked at the back door of sanitation cart shown in Fig. 2, locking cylinder 12 shrinks certain stroke and drives triangle joint axle 8 to rotate around connection bearing pin V 10, triangle joint axle 8 drives dop II 6 to rotate around connection pin shaft III 7, two-thread screw 5 and dop II 6, dop I 3 connects, and pull by dop II 6, locker 1 is driven to rotate around connection bearing pin I 2, and connect bearing pin I 2, connect pin shaft II 4, connect pin shaft III 7, connect bearing pin IV 9, connect bearing pin V 10 and all grease fitting is housed, make to rotate flexibly between catch gear motion couplings, the rotation of such circulation just reaches the locking of catch gear and opens, in whole process, oil cylinder is not by diametral load, thus improve the service life of oil cylinder.
When the back door locking mechanism lock of sanitation cart shown in Fig. 3 is tight, connection bearing pin I 2, connection pin shaft III 7, connection bearing pin V 10 are in straight line state, form self-locking.Contact with backing plate 14 is linear when locker 1 is locked, the connection distance of two-thread screw 5 and dop I 3, dop II 6 can be regulated in locking process, reach self-locking wire with the locking contact wire normal angle through being connected bearing pin I center for being not more than 90 °, this not only makes the sealing property between envelope 13 and envelope back door 15 be guaranteed, and the locking state of catch gear have also been obtained stable guarantee.
In a further embodiment, the mode that is rotationally connected such as hinged can be adopted to substitute each connection bearing pin in the present embodiment.
In a further embodiment, the attaching parts be made up of two-thread screw 5, dop I 3, dop II 6, can adopt the structure of integral type to substitute.
In a preferred embodiment, three angles of triangle adapter shaft are decile distribution, and each angle is semicircle angle, adopts arc transition between each angle.
Finally should be noted that: above embodiment is only in order to illustrate that the technical scheme of this case is not intended to limit; Although be described in detail this case with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to the detailed description of the invention of this case or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of this case technical scheme, it all should be encompassed in the middle of the technical scheme scope of this case request protection.
Claims (10)
1. a back door catch gear for sanitation cart, is characterized in that, comprises locking cylinder, locker, triangle joint axle, locker supporting base, attaching parts,
Locker supporting base is fixed on casing, and the top of locker supporting base right-hand end and first jiao of triangle joint axle are rotationally connected, and the left-hand end of locker supporting base is external part and is rotationally connected with the middle part of locker;
First jiao of triangle joint axle is rotationally connected with locker supporting base, second jiao of extension bar being rotationally connected locking cylinder, and the first end of triangle and attaching parts is rotationally connected;
Second end of attaching parts and the top of locker are rotationally connected;
The bottom of locker is open end;
A dynamic position of catch gear is: the place of being rotationally connected of attaching parts and locker supporting base and triangle joint axle is positioned on straight line.
2. the back door catch gear of a kind of sanitation cart according to claim 1, it is characterized in that, described attaching parts comprises dop I, dop II, two-thread screw, and the first end of attaching parts, the second end are respectively dop I, dop II, adopts two-thread screw to connect between dop I, dop II.
3. the back door catch gear of a kind of sanitation cart according to claim 2, is characterized in that,
Described being rotationally connected adopts connection bearing pin I ~ V to connect respectively;
Connect pin shaft II (4) and connect locking support seat (11) and locker, connect first jiao that bearing pin V (10) connects locking support seat (11) and triangle joint axle;
First, second and third angle of triangle joint axle (8) respectively correspondence is provided with the right side, upper, left three pin shaft holes, the right pin shaft hole of triangle joint axle (8) be connected bearing pin V (10) and be connected, connect pin shaft III (7) to be connected with the left pin shaft hole of triangle joint axle (8), connect bearing pin IV (9) and be connected with the upper pin hole of triangle joint axle (8);
The front end of dop II (6) is provided with pin shaft hole, and rear end is provided with tapped bore, the pin shaft hole of dop II (6) be connected pin shaft III (7) and connect;
The left and right two ends of two-thread screw (5) are provided with screw thread, and the right-hand member of two-thread screw (5) is connected with the tapped bore of dop II (6);
The front end of dop I (3) is provided with pin shaft hole, and rear end is provided with tapped bore, and the tapped bore of dop I (3) is connected with two-thread screw (5), connects bearing pin I (2) and is connected with the pin shaft hole of dop I (3);
Top and the middle part of locker (1) are provided with pin shaft hole, the upper pin axis hole of locker (1) be connected bearing pin I (2) and connect, the middle part pin shaft hole of locker (1) be connected pin shaft II (4) and connect;
The extension bar front end of locking cylinder (12) is provided with pin shaft hole, and rear end is provided with Connection Block, the front end pin shaft hole of locking cylinder (12) be connected bearing pin IV (9) and connect.
4. the back door catch gear of a kind of sanitation cart according to claim 3, it is characterized in that, of locking cylinder stretches out stroke and meets and make three to connect bearing pins I (2), III (7), V (10) to be in straight line and to form self-locking wire.
5. the back door catch gear of a kind of sanitation cart according to claim 3, is characterized in that, connects bearing pin I ~ V and is provided with grease fitting.
6. the back door catch gear of a kind of sanitation cart according to claim 4, it is characterized in that, the connection distance of dop I, dop II is regulated by two-thread screw, and one of dop I, dop II connects distance and reaches self-locking wire with the locking contact wire normal angle through being connected bearing pin I center for being not more than 90 °.
7., according to the back door catch gear of the arbitrary described a kind of sanitation cart of claim 1 to 6, it is characterized in that, locker bottom contacts with the backing plate on envelope back door is linear, and the contact wire degree of depth is greater than the over half of back door strength beam height.
8., according to the back door catch gear of the arbitrary described a kind of sanitation cart of claim 1 to 6, it is characterized in that, three angles of described triangle joint axle are for angularly to distribute.
9. according to the back door catch gear of the arbitrary described a kind of sanitation cart of claim 2 to 6, it is characterized in that, dop I, dop II adopt U-shaped structure, and the perforate of U-shaped dual-side is passed for connection bearing pin I, connection pin shaft III respectively.
10. the back door catch gear of a kind of sanitation cart according to claim 7, it is characterized in that, the rear end Connection Block of locking cylinder (12) welds with envelope (13), backing plate (14) welds with envelope back door (15), is provided with silica gel sealing bar in the middle of envelope (13) and envelope back door (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520709578.4U CN205060580U (en) | 2015-09-14 | 2015-09-14 | Back door locking mechanism of sanitation car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520709578.4U CN205060580U (en) | 2015-09-14 | 2015-09-14 | Back door locking mechanism of sanitation car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205060580U true CN205060580U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520709578.4U Active CN205060580U (en) | 2015-09-14 | 2015-09-14 | Back door locking mechanism of sanitation car |
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| Country | Link |
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| CN (1) | CN205060580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340470A (en) * | 2018-05-03 | 2018-07-31 | 江苏华光双顺机械制造有限公司 | Vertical self-locking shaking platform |
| CN110284788A (en) * | 2019-06-27 | 2019-09-27 | 上海科得威船舶技术工程有限公司 | A kind of mechanical self-latching type retaining mechanism |
-
2015
- 2015-09-14 CN CN201520709578.4U patent/CN205060580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340470A (en) * | 2018-05-03 | 2018-07-31 | 江苏华光双顺机械制造有限公司 | Vertical self-locking shaking platform |
| CN110284788A (en) * | 2019-06-27 | 2019-09-27 | 上海科得威船舶技术工程有限公司 | A kind of mechanical self-latching type retaining mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee after: Shaanxi Automobile Group Co.,Ltd. Address before: No.39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee before: SHAANXI AUTOMOBILE GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |