CN201305041Y - Hydraulic lock plunger for cab rear suspension - Google Patents
Hydraulic lock plunger for cab rear suspension Download PDFInfo
- Publication number
- CN201305041Y CN201305041Y CNU2008201934390U CN200820193439U CN201305041Y CN 201305041 Y CN201305041 Y CN 201305041Y CN U2008201934390 U CNU2008201934390 U CN U2008201934390U CN 200820193439 U CN200820193439 U CN 200820193439U CN 201305041 Y CN201305041 Y CN 201305041Y
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- Prior art keywords
- latch hook
- oil cylinder
- shape
- rear suspension
- arm
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Abstract
The utility model provides a hydraulic lock plunger for a cab rear suspension, which comprises a lock body bracket, a latch hook, a torsional spring, a hinging pin roll and an oil cylinder. The lock body bracket is an F-shaped double-side bracket; the latch hook is hinged between the two sides of the middle arm of the F-shaped double-arm bracket through the hinging pin roll; the duplex torsional spring is arranged on the hinging pin roll to serve as a return spring for the latch hook; the inner end of the latch hook takes the shape of a circular arc and forms an automobile pin roll clamping site together with the inner corner of the F-shaped double-arm bracket; and the oil cylinder is installed at the tail end of the bottom of the F-shaped double-side bracket, with the output end corresponding to the outer end of the latch hook. A limiting pin roll is arranged below the latch hook and is installed between two sides of the middle arm of the F-shaped double-arm bracket. The inner end of the latch hook takes the shape of a circular arc and forms an automobile pin roll clamping site together with the circular arc of the inner corner of the F-shaped double-arm bracket, and the clearance between the clamping site and the automobile pin roll is 0.944mm-1.5mm. The oil cylinder is a piston type double-seal oil cylinder and is connected with a breather plug and an oil passage through an integral right-angle connector and a tee.
Description
Technical field
The utility model relates to a kind of operator's compartment rear suspension hydraulic pressure locking bolt, belongs to auto parts and components.
Background technology
The operator's compartment rear suspension hydraulic pressure locking bolt that has occurred in the market, be to have a kind of hydraulic pressure locking bolt in 200620095446.8 the operator's compartment back suspension device as the patent No., the lock body holder part of this hydraulic pressure locking bolt is the punching press riveted structure, adopt the driving and driven latch hook of punching press riveted joint to realize latch functions, oil cylinder is single hermetically-sealed construction, breather stem vent plug is the spring steel ball structure, and joint is the bite type structure.
The deficiency reaction of this hydraulic pressure locking bolt is as follows:
This hydraulic pressure locking bolt integral body of A is non-dismountable structure, whole maintenance cost height;
B punching press riveted joint lock body support cost is higher, the assembly technology complexity, and non-dismountable;
C principal and subordinate moveable lock hook is the punching press riveted structure, the cost height, complex process, and two latch hooks cooperatively interact the motion must produce wearing and tearing, for a long time to disabler;
Oil leakage phenomenon appears in the single leak free cylinder structure of D;
The breather stem vent plug of E spring steel ball structure, complicated integral structure, inconvenient operation need could operate by special tool during venting, and cost is higher;
F bite type joint design rotates easily, produces oil leakage phenomenon.
Summary of the invention
The purpose of this utility model is to design a kind of simple in structure, fast assembling and disassembling, operating maintenance is convenient, use reliable, stable performance, and lower-cost operator's compartment rear suspension hydraulic pressure locking bolt.
The technical solution of the utility model: operator's compartment rear suspension hydraulic lock pin device of the present utility model comprises lock body support, latch hook, torsion spring, hinging pin shaft, oil cylinder, the lock body support is a F shape bilateral support, latch hook is hinged between the middle support arm bilateral of F shape two-arm yoke by hinging pin shaft, and the pull back spring of duplex torsion spring as latch hook is housed on the hinging pin shaft; Latch hook the inner is and constitutes the screens of automobile bearing pin between the interior angle of circular arc and F shape two-arm yoke; Tail end at the end of F shape bilateral support is installed oil cylinder, the outer end of the corresponding latch hook of the mouth of oil cylinder.
Described operator's compartment rear suspension hydraulic lock pin device is having spacing bearing pin to be installed between the middle support arm bilateral of F shape two-arm yoke below the latch hook.
The interior angle circular arc that described operator's compartment rear suspension hydraulic lock pin device, latch hook the inner are circular arc and F shape two-arm yoke constitutes the screens of automobile bearing pin, and the gap between screens and the automobile bearing pin is 0.944mm～1.5mm.
Described operator's compartment rear suspension hydraulic lock pin device, oil cylinder is a plunger double containment oil cylinder.Oil cylinder is connected with oil circuit with breather stem vent plug with T-pipe joint by the integral type nipple bent piece.Breather stem vent plug is linear awl hermetically-sealed construction.
Advantage of the present utility model:
A. the utility model is a demountable structure, and consumable accessory (as the O type circle in the oil cylinder) can be changed, and reduces maintenance cost.
B. the lock body support is a precision cast structure F shape bilateral support, elegant shape, attractive in appearance, and processing technology is simple.
C. latch hook is a precision cast structure, and external form is succinct, attractive in appearance, and technology is simple, and cost is low.
D. adopt the monolock hook to realize latch functions.Utilize the gap between bearing pin and the latch hook, can avoid the automobile bearing pin during latch hook rotation, realize unblanking; Latch hook is being installed locking state, and the automobile bearing pin that is: in the automobile bearing pin makes progress impact process, is applied a clockwise moment to latch hook by mechanical position limitation, and latch hook can not be overturn by conter clockwise, realizes locked.
E. oil cylinder is the plunger double sealing structure, adopts twice O type circle to seal, and reduces the possibility of leakage of oil.
F. linear awl sealing breather stem vent plug structure design.The utility model is on the basis of original labyrinth, design a kind of breather stem vent plug easy to operate, with low cost, this breather stem vent plug adopts the cold drawn square steel 11-8-GB/T905-94 of 45# to process, firmly when tight, 90 ° of conical surfaces are linear interference fit with the threeway endoporus, as long as screw thread does not become flexible for M8 * 1-6H screw thread and T-pipe joint, oil leakage phenomenon can not appear then, even Vehicular vibration causes thread looseness, as long as fasteningly a little just solved problem, the user can not produce complaint.During venting, suitably loosening screw thread is until there being oil to flow out from the termination, and again tightly, whole process is simple, convenient.
G. integral type elbow unions.The utility model elbow unions adopt welded structure, make nipple bent piece can realize arbitrarily angled the connection with T-pipe joint, form a fixing integral body, can not occur bending, distortion in the practical process, become flexible and the phenomenon of generation leakage of oil.
H. the utility model has designed a spacing bearing pin and the upset of latch hook has been carried out spacing, and when unblanking, it is long to prevent that piston rod from stretching out, and when lock pin upwards impacts, prevents from that impulsive force from acting directly on to damage oil cylinder on the oil cylinder and produce leakage of oil.
Description of drawings
Fig. 1 is an overall structure scheme drawing of the present utility model.
Fig. 2 is the right TV structure scheme drawing of Fig. 1.
Fig. 3 is a precision cast latch hook shape scheme drawing.
Fig. 4 is linear awl sealing breather stem vent plug structural representation.
Fig. 5 is spacing bearing pin and latch hook and oil cylinder position scheme drawing.
Fig. 6 realizes the scheme drawing of locking and release function for latch hook.
The specific embodiment
As Fig. 1, Fig. 2: the utility model hydraulic pressure locking bolt mainly comprises lock body support, latch hook, torsion spring, hinging pin shaft, oil cylinder, it is characterized in that: the lock body support is a F shape bilateral support 1, latch hook 2 is hinged between middle support arm 1.1 bilaterals of F shape two-arm yoke 1 by hinging pin shaft 4, and the pull back spring of duplex torsion spring 3 as latch hook 2 is housed on the hinging pin shaft 4; Latch hook 2 the inners 2.1 are and constitute automobile bearing pin screens 14 between the interior angle of circular arc and F shape two-arm yoke 1; Gap between screens 14 and the automobile bearing pin is 0.944mm～1.5mm.
Tail end at the end of F shape bilateral support 1 is installed oil cylinder 8, and oil cylinder 8 is a plunger double containment oil cylinder.Be fixed on the tail end at the end of F shape bilateral support 1 by spring washer 8, jam nut 9.The outer end 2.2 of the corresponding latch hook 2 of the mouth of oil cylinder 8.
There is being spacing bearing pin 5 to be installed between middle support arm 1.1 bilaterals of F shape two-arm yoke 1 below the latch hook 2.Oil cylinder is connected with blanking cover 13 with breather stem vent plug 11 with T-pipe joint 15 by nipple bent piece 12.Blanking cover 13 is opened with oil circuit and is connected.Nipple bent piece 12 and T-pipe joint 15 are one-piece constructions.
Fig. 3 is a precision cast latch hook shape scheme drawing: the 2.1st, and latch hook 2 circular arc the inners; 2.2 be latch hook 2 outer ends; 2.3 be the bearing pin of latch hook 2.
Fig. 4 is linear awl sealing breather stem vent plug structural representation: the 11.1st, and the pore of breather stem vent plug 11; 11.2 be the linear bevel sealing surface of breather stem vent plug 11.
Fig. 5 is spacing bearing pin and latch hook and oil cylinder position scheme drawing: latch hook 2, hinging pin shaft 4, spacing bearing pin 5, oil cylinder 8 among the figure, the outer end 2.2 of the corresponding latch hook 2 of the mouth of oil cylinder 8.Latch hook 2 is in the A position; Latch hook 2 is in the B position.
Fig. 6 realizes the scheme drawing of locking and release function for latch hook:
The lock body support is a F shape bilateral support 1, and latch hook 2 is hinged between middle support arm 1.1 bilaterals of F shape two-arm yoke 1 by hinging pin shaft 4, and the pull back spring of duplex torsion spring 3 as latch hook 2 is housed on the hinging pin shaft 4; Latch hook 2 the inners 2.1 are installs automobile bearing pin 16 between the interior angle of circular arc and F shape two-arm yoke 1; Gap between latch hook 2 and the automobile bearing pin 16 is 0.944mm～1.5mm.
Tail end at the end of F shape bilateral support 1 is installed oil cylinder 8, and oil cylinder 8 is a plunger double containment oil cylinder.By
When oil cylinder 8 be in original position the time, latch hook 2 is in the A position, automobile bearing pin 16 is locked between the interior angle circular arc of the circular arc 2.1 of latch hook 2 the inners and F shape two-arm yoke 1.
When oil cylinder 8 upward movements, the outer end 2.2 of top latch hook 2, latch hook 2 rotates counterclockwise along hinging pin shaft 4, makes circular arc 2.1 to the B positions of latch hook 2 the inners, and automobile bearing pin 16 is thrown off.Y is the gap between latch hook 2 and the automobile bearing pin 16, is 0.944mm～1.5mm.Guarantee the realization of 16 two position functions of automobile bearing pin.
Claims (6)
1. operator's compartment rear suspension hydraulic lock pin device, comprise lock body support, latch hook, torsion spring, hinging pin shaft, oil cylinder, it is characterized in that: the lock body support is a F shape bilateral support (1), latch hook (2) is hinged between middle support arm (1.1) bilateral of F shape two-arm yoke (1) by hinging pin shaft (4), and the pull back spring of duplex torsion spring (3) as latch hook (2) is housed on the hinging pin shaft (4); Latch hook (2) inner (2.1) is formation automobile bearing pin screens (14) between the interior angle of circular arc and F shape two-arm yoke (1); Tail end at the end of F shape bilateral support (1) is installed oil cylinder (8), the outer end (2.2) of the corresponding latch hook of the mouth of oil cylinder (8) (2).
2. operator's compartment rear suspension hydraulic lock pin device according to claim 1 is characterized in that: have spacing bearing pin (5) to be installed between middle support arm (1.1) bilateral of F shape two-arm yoke (1) in the below of latch hook (2).
3. operator's compartment rear suspension hydraulic lock pin device according to claim 1 and 2, it is characterized in that: the interior angle circular arc that latch hook (2) the inner is circular arc and F shape two-arm yoke (1) constitutes automobile bearing pin screens (14), and the gap between screens (14) and the automobile bearing pin is 0.944mm～1.5mm.
4. operator's compartment rear suspension hydraulic lock pin device according to claim 1 and 2 is characterized in that: oil cylinder is a plunger double containment oil cylinder.
5. operator's compartment rear suspension hydraulic lock pin device according to claim 1 and 2 is characterized in that: oil cylinder is connected with oil circuit with breather stem vent plug (11) with T-pipe joint (15) by integral type nipple bent piece (12).
6. operator's compartment rear suspension hydraulic lock pin device according to claim 5 is characterized in that: breather stem vent plug (11) is linear awl hermetically-sealed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201934390U CN201305041Y (en) | 2008-12-04 | 2008-12-04 | Hydraulic lock plunger for cab rear suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201934390U CN201305041Y (en) | 2008-12-04 | 2008-12-04 | Hydraulic lock plunger for cab rear suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201305041Y true CN201305041Y (en) | 2009-09-09 |
Family
ID=41097503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201934390U Expired - Fee Related CN201305041Y (en) | 2008-12-04 | 2008-12-04 | Hydraulic lock plunger for cab rear suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201305041Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802895A (en) * | 2014-01-24 | 2014-05-21 | 大连液压件有限公司 | Hydraulic locking lock body for automobile cab |
| CN106809288A (en) * | 2017-03-29 | 2017-06-09 | 安徽江淮汽车集团股份有限公司 | A kind of cab mounting secure latch mechanism |
| CN107310638A (en) * | 2016-04-27 | 2017-11-03 | 湖北三环专用汽车有限公司 | A kind of commercial car hydraulic lock monitoring system |
| CN109291750A (en) * | 2018-09-14 | 2019-02-01 | 东风汽车集团有限公司 | Using wheeled vehicle assist system, the chassis structure and automobile containing the assist system of multiplexing power |
-
2008
- 2008-12-04 CN CNU2008201934390U patent/CN201305041Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802895A (en) * | 2014-01-24 | 2014-05-21 | 大连液压件有限公司 | Hydraulic locking lock body for automobile cab |
| CN107310638A (en) * | 2016-04-27 | 2017-11-03 | 湖北三环专用汽车有限公司 | A kind of commercial car hydraulic lock monitoring system |
| CN107310638B (en) * | 2016-04-27 | 2023-11-10 | 湖北三环汽车有限公司 | Commercial car hydraulic lock monitoring system |
| CN106809288A (en) * | 2017-03-29 | 2017-06-09 | 安徽江淮汽车集团股份有限公司 | A kind of cab mounting secure latch mechanism |
| CN109291750A (en) * | 2018-09-14 | 2019-02-01 | 东风汽车集团有限公司 | Using wheeled vehicle assist system, the chassis structure and automobile containing the assist system of multiplexing power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20161204 |