CN204976671U - Safeties of back of body lock jack knife - Google Patents
Safeties of back of body lock jack knife Download PDFInfo
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- CN204976671U CN204976671U CN201520568551.8U CN201520568551U CN204976671U CN 204976671 U CN204976671 U CN 204976671U CN 201520568551 U CN201520568551 U CN 201520568551U CN 204976671 U CN204976671 U CN 204976671U
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Abstract
The utility model relates to a safeties of back of body lock jack knife, including operator, locking lever, welt A, handle A, main shaft, ejector pin, rope, handle B, slide, welt B, interval pivot, space bar, spring, spring leaf, its characterized in that, welt B be equipped with projection A, interval shaft hole, dodge the hole, projection B, projection C, wire rope handling hole, the slide be equipped with ejector pin hole, guide way A, locking face, dodge mouth, contact, spring groove, spring leaf, guide way B, wire rope handling hole, the projection A on the welt B is located the guide way A of slide, projection B is located the spring inslot, projection C is located guide way B, the circular arc at guide way B both ends restricts the sliding range of slide, the ejector pin fix on the ejector pin hole of slide, the rope pass handle A, welt A, space bar, welt B, handle B's wire rope handling hole. Compared with the prior art, the utility model, have advantages such as simple structure, various informativeization, convenient to use, safe and reliable.
Description
Technical field
The utility model belongs to jack knife, especially a kind of safeties carrying on the back lock jack knife.
Background technology
The locking form of existing back of the body lock jack knife, its locking form is provided with lock slots near the axis hole of operator, the securing rod be provided with above jack knife rotating shaft, securing rod coordinates with lock slots, elastic force is applied at the securing rod other end, form the locking of operator, the safeties of this kind of locking form, the general structure being provided with restriction securing rod and rotating below securing rod, and the construction of switch of safeties, and what handle surfaces needs be provided with safeties dodges space, can affect the aesthetic feeling of whole handle outward appearance.
Summary of the invention
The utility model provides the safeties that a kind of structure is simple, diversification of forms, the back of the body esy to use, safe and reliable lock jack knife.
As follows for reaching the technical solution that above-mentioned object takes:
1, carry on the back safeties for lock jack knife, comprise operator, securing rod, liner plate A, handle A, main shaft, ejector pin, rope, handle B, slide plate, liner plate B, interval rotating shaft, space bar, spring, spring leaf, is characterized in that, described liner plate B is provided with projection A, interval axis hole, dodge hole, projection B, projection C, lacing hole, described slide plate is provided with ejector pin hole, gathering sill A, lock face, dodge mouth, contact, spring groove, spring leaf, gathering sill B, lacing hole, the projection A on liner plate B is positioned at the gathering sill A of slide plate, and projection B is positioned at spring groove, and projection C is positioned at gathering sill B, the sliding scale of the circular arc restriction slide plate at gathering sill B two ends, and described handle B is provided with lacing hole, slot to make way, escape groove, screw hole, dodge hole, shaft hole, described spring one end pin is fixed on securing rod, and the other end is fixed on space bar, and described ejector pin is fixed on the ejector pin hole of slide plate, and described slide plate is placed on liner plate B, is each passed through handle A by main shaft and interval rotating shaft, liner plate A, operator, securing rod, space bar, liner plate B, handle B, and fix with main shaft screw and interval screw, described rope is through handle A, liner plate A, space bar, liner plate B, the lacing hole of handle B.
The safeties of the back of the body lock jack knife 2, as described in technical scheme 1, wherein, on described slide plate, the contact of spring leaf contacts with projection B all the time and applies elastic force, when the projection C on liner plate B is positioned at the centre position of gathering sill B, contact is positioned at immediately below the axle center of projection B, and the elastic force that projection B is subject to is maximum, when projection C contacts with the cambered surface at gathering sill B two ends, the elastic force that projection B is subject to is the most weak, and slide plate is in the lock state.
The safeties of the back of the body lock jack knife 3, as described in technical scheme 1, wherein, described ejector pin promotes backward, or pull rope backward, the equal slide plate that can make slides backward, the rotation of the lock face restriction pin of slide plate, operator and securing rod cannot be unlocked, and realize the locking of safeties, ejector pin promotes forward, or pull rope forward, the equal slide plate that can make toward front slide, slide plate dodge the below that mouth is in pin, pin and securing rod can down rotate, operator and securing rod can be unlocked, realize safeties and unlock.
The safeties of the back of the body lock jack knife 4, as described in technical scheme 1, wherein, described safeties are not establishing ejector pin, when what handle B did not also establish dodges hole, use wireline operations also can realize the function of safeties, same, not establishing rope and relevant lacing hole, use ejector pin operation also can realize the function of safeties.
The advantages such as the utility model compared with prior art, has structure simple, diversification of forms, easy to use, safe and reliable; Use ejector pin or rope to operate, the function of safeties can be realized.
accompanying drawing illustrates:
Fig. 1 is overall structure decomposition view of the present utility model,
Fig. 2 is overall structure main body figure of the present utility model,
Fig. 3 is back of the body lock construction main body figure of the present utility model,
Fig. 4 is the structure of safeties of the present utility model
Fig. 5 is liner plate B main structure body figure of the present utility model,
Fig. 6 is skateboard main body figure of the present utility model,
Fig. 7 is handle B structure rearview of the present utility model.
In Fig. 1 ~ Fig. 7, operator (1), securing rod (2), liner plate A(3), handle A(4), main shaft screw (5), interval screw (6), main shaft (7), ejector pin (8), pin (9), rope (10), handle B(11), slide plate (12), liner plate B(13), interval rotating shaft (14), space bar (15), spring (16), projection A(17), interval axis hole (18), dodge hole (19), projection B(20), projection C(21), lacing hole (22), ejector pin hole (23), gathering sill A(24), lock face (25), dodge mouth (26), contact (27), spring groove (28), spring leaf (29), gathering sill B(30), lacing hole (31), lacing hole (32), slot to make way (33), escape groove (34), screw hole (35), dodge hole (36), shaft hole (37).
detailed description of the invention:
Below in conjunction with drawings and Examples, the utility model is further described:
Shown in Fig. 7, a kind of safeties carrying on the back lock jack knife, comprise operator, securing rod, liner plate A, handle A, main shaft, ejector pin, rope, handle B, slide plate, liner plate B, interval rotating shaft, space bar, spring, spring leaf, wherein, described liner plate B13 is provided with projection A17, interval axis hole 18, dodge hole 19, projection B20, projection C21, lacing hole 22, described slide plate 12 is provided with ejector pin hole 23, gathering sill A24, lock face 25, dodge mouth 26, contact 27, spring groove 28, spring leaf 29, gathering sill B30, lacing hole 31, projection A17 on liner plate B13 is positioned at the gathering sill A24 of slide plate 12, and projection B20 is positioned at spring groove 28, and projection C21 is positioned at gathering sill B30, the sliding scale of the circular arc restriction slide plate 12 at gathering sill B30 two ends, described handle B11 is provided with lacing hole 32, slot to make way 33, escape groove 34, screw hole 35, dodge hole 36, shaft hole 37, described spring 16 one end pin 9 is fixed on securing rod 2, and the other end is fixed on space bar 15, and described ejector pin 8 is fixed on the ejector pin hole 23 of slide plate 12, described slide plate 12 is placed on liner plate B13, is each passed through handle A4 by main shaft 7 and interval rotating shaft 14, liner plate A3, operator 1, securing rod 2, space bar 15, liner plate B13, handle B11, and fix with main shaft screw 5 and interval screw 6, described rope 10 is through handle A4, liner plate A3, space bar 15, liner plate B13, the lacing hole 22 of handle B11, lacing hole 31, lacing hole 32.
On described slide plate 12, the contact 27 of spring leaf 29 contacts with projection B20 all the time and applies elastic force, when the projection C21 on liner plate B13 is positioned at the centre position of gathering sill B30, contact 27 is positioned at immediately below the axle center of projection B20, the elastic force that projection B20 is subject to is maximum, when projection C21 contacts with the cambered surface at gathering sill B30 two ends, the elastic force that projection B20 is subject to is the most weak, and slide plate 12 is in the lock state.
Described ejector pin 8 promotes backward, or pulls rope 10 backward, and slide plate 12 all can be made to slide backward, the lock face 25 of slide plate 12 limits the rotation of pin 9, operator 1 and securing rod 2 cannot be unlocked, and realize the locking of safeties, ejector pin 8 promotes forward, or pull rope 10 forward, the equal slide plate 12 that can make toward front slide, slide plate 12 dodge the below that mouth 26 is in pin 9, pin 9 and securing rod 2 can down rotate, operator 1 and securing rod 2 can be unlocked, realize safeties and unlock.
Described safeties, do not establishing ejector pin 8, when what handle B11 did not also establish dodges hole 36, rope 10 is used to operate the function that also can realize safeties, same, do not establishing rope 10 and relevant lacing hole 22, lacing hole 31, lacing hole 32, uses ejector pin 8 to operate the function that also can realize safeties.
Claims (4)
1. carry on the back safeties for lock jack knife, comprise operator, securing rod, liner plate A, handle A, main shaft, ejector pin, rope, handle B, slide plate, liner plate B, interval rotating shaft, space bar, spring, spring leaf, is characterized in that, described liner plate B(13) be provided with projection A(17), interval axis hole (18), dodge hole (19), projection B(20), projection C(21), lacing hole (22), described slide plate (12) is provided with ejector pin hole (23), gathering sill A(24), lock face (25), dodge mouth (26), contact (27), spring groove (28), spring leaf (29), gathering sill B(30), lacing hole (31), liner plate B(13) on projection A(17) be positioned at the gathering sill A(24 of slide plate (12)), projection B(20) be positioned at spring groove (28), projection C(21) be positioned at gathering sill B(30), gathering sill B(30) two ends circular arc restriction slide plate (12) sliding scale, described handle B(11) be provided with lacing hole (32), slot to make way (33), escape groove (34), screw hole (35), dodge hole (36), shaft hole (37), described spring (16) one end pin (9) is fixed on securing rod (2), the other end is fixed on space bar (15), described ejector pin (8) is fixed on the ejector pin hole (23) of slide plate (12), described slide plate (12) is placed on liner plate B(13) on, be each passed through handle A(4 by main shaft (7) and interval rotating shaft (14)), liner plate A(3), operator (1), securing rod (2), space bar (15), liner plate B(13), handle B(11), and fix with main shaft screw (5) and interval screw (6), described rope (10) is through handle A(4), liner plate A(3), space bar (15), liner plate B(13), handle B(11) lacing hole (22,31,32).
2. the safeties of back of the body lock jack knife as claimed in claim 1, it is characterized in that, the contact (27) of the upper spring leaf (29) of described slide plate (12) all the time with projection B(20) contact and apply elastic force, as liner plate B(13) on projection C(21) be positioned at gathering sill B(30) and centre position time, contact (27) is positioned at projection B(20) axle center immediately below, projection B(20) elastic force that is subject to is maximum, as projection C(21) with gathering sill B(30) cambered surface at two ends contact time, projection B(20) elastic force that is subject to is the most weak, slide plate (12) is in the lock state.
3. the safeties of back of the body lock jack knife as claimed in claim 1, it is characterized in that, described ejector pin (8) promotes backward, or pull rope (10) backward, the equal slide plate (12) that can make slides backward, the rotation of the lock face (25) restriction pin (9) of slide plate (12), operator (1) and securing rod (2) cannot be unlocked, realize the locking of safeties, ejector pin (8) promotes forward, or pull rope (10) forward, the equal slide plate (12) that can make is toward front slide, slide plate (12) dodge the below that mouth (26) is in pin (9), pin (9) and securing rod (2) can down rotate, operator (1) and securing rod (2) can be unlocked, realize safeties to unlock.
4. the safeties of back of the body lock jack knife as claimed in claim 1, it is characterized in that, ejector pin (8) do not established by described safeties, handle B(11) also do not establish dodge hole (36) when, use rope (10) operation also can realize the function of safeties, same, do not establishing rope (10) and relevant lacing hole (22,31,32) ejector pin (8) operation, is used also can to realize the function of safeties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568551.8U CN204976671U (en) | 2015-07-31 | 2015-07-31 | Safeties of back of body lock jack knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568551.8U CN204976671U (en) | 2015-07-31 | 2015-07-31 | Safeties of back of body lock jack knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204976671U true CN204976671U (en) | 2016-01-20 |
Family
ID=55111087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520568551.8U Active CN204976671U (en) | 2015-07-31 | 2015-07-31 | Safeties of back of body lock jack knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204976671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858290A (en) * | 2018-06-01 | 2018-11-23 | 阳江拓必拓工业技术研究院有限公司 | A kind of mobilizable jack knife of sling |
| WO2019153812A1 (en) * | 2018-02-07 | 2019-08-15 | 安永俊 | U-shaped folding knife having spring structure |
-
2015
- 2015-07-31 CN CN201520568551.8U patent/CN204976671U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153812A1 (en) * | 2018-02-07 | 2019-08-15 | 安永俊 | U-shaped folding knife having spring structure |
| CN108858290A (en) * | 2018-06-01 | 2018-11-23 | 阳江拓必拓工业技术研究院有限公司 | A kind of mobilizable jack knife of sling |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |