CN203413052U - Opening type chain tightening device - Google Patents
Opening type chain tightening device Download PDFInfo
- Publication number
- CN203413052U CN203413052U CN201320403202.1U CN201320403202U CN203413052U CN 203413052 U CN203413052 U CN 203413052U CN 201320403202 U CN201320403202 U CN 201320403202U CN 203413052 U CN203413052 U CN 203413052U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- head
- nut
- chain
- locating slot
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an opening type chain tightening device. The opening type chain tightening device comprises an elephant foot, a hook head, a screw rod and a body, wherein the bottom end of the elephant foot is fixedly arranged in a flush socket; the top of the elephant foot is mounted at one end of the body; the hook body is arranged in a slide groove in the middle of the body; the screw rod is threaded in a threaded hole in the bottom of the hook head; the head of the screw rod is inserted into the body and is limited to move transversely by the nut mounted on the head; the screw rod beside the nut is provided with an opening pin assembly and is leaned against the end part of the nut; a rotary head is arranged on the tail part of the screw rod; the screw rod beside the rotary head is provided with a positioning groove; the rotary head and the positioning groove are located on the outer side of the body; a plurality of threaded holes are formed in the end face of the tail end of the body; the tail part of the body is connected with a chain; and the tail end of the chain is provided with a screw. According to the opening type chain tightening device, the problems of a complicated mechanism of hydraulic tightening and leakage of hydraulic oil are solved, a simple structural design is adopted and the practical economic value is good.
Description
Technical field
The utility model relates to roll-on-roll-off ship and uses chain tightener field, particularly relates to a kind of open chain tightener.
Background technique
Chain tightener is widely used in each aspect with chain-wheel mechanism, such as just there being chain tightener to keep the tension force of chain in the chain wheel driving mechanism of motor car engine, existing chain tightener is many provides tightening force by hydraulic mechanism, this apparatus structure more complicated, the chain that is used in shipping container outside is improper while tightening up, hydraulic mechanism the inside has been full of hydraulic oil simultaneously, after occurring to leak, is also difficult to clean.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of open chain tightener, and the problem that provides the complex mechanism that tightens up and hydraulic oil to reveal to solve hydraulic pressure, adopts simple structural design, has good Applied economy and is worth.
The utility model solves the technological scheme that its technical problem adopts: a kind of open chain tightener is provided, comprise and resemble pin, gib head, screw rod and body, the described sole end that resembles is fixed in nest seat, describedly resemble one end that pin top is arranged on body, in chute in the middle of described body, be provided with gib head, in the tapped hole of described gib head bottom, be installed with screw rod, described screw head inserts in body, by being installed on the nut of head, limit its transverse shifting, cotter pin assembly is installed and against the end of nut on the screw rod of described nut side, described screw rod tail is provided with swivel head, on the screw rod of described swivel head side, locating slot is installed, described swivel head and locating slot are all positioned at the outside of body, the end face of described body tail end is provided with some tapped holes, described body afterbody connects chain, described chain tail end is provided with screw.
Described swivel head is regular hexagon, and described swivel head connects spanner.
Described locating slot is circumferential, and described some tapped hole correspondences are evenly distributed on the circumference of locating slot.
beneficial effect
The utlity model has following advantage and good effect:
The utility model is simple in structure, easy to use, is specially adapted to tighten up the chain of shipping container outside.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is screw-rod structure schematic diagram;
Fig. 3 is hook head structure schematic diagram;
Fig. 4 is body structure schematic diagram;
Fig. 5 is that the B-B of Fig. 4 is to view;
Schematic diagram when Fig. 6 is the utility model use;
The schematic diagram of locking with latch chain when Fig. 7 is use;
Fig. 8 is that the A of Fig. 7 is to enlarged view.
In figure: resemble pin 1, nut 2, screw rod 3, gib head 4, body 5, chute 6, tapped hole 7, swivel head 8, locating slot 9, nest seat 10, chain 11, spanner 12, chain 13, screw 14, tapped hole 15, cotter pin assembly 16.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiments are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Fig. 1-8, a kind of open chain tightener, comprise and resemble pin 1, gib head 4, screw rod 3 and body 5, described pin 1 bottom that resembles is fixed in nest seat 10, describedly resemble one end that pin 1 top is arranged on body 5, in chute 6 in the middle of described body 5, be provided with gib head 4, in the tapped hole 7 of described gib head 4 bottoms, be installed with screw rod 3, described screw rod 3 heads insert in body 5, by being installed on the nut 2 of head, limit its transverse shifting, cotter pin assembly 16 is installed and against the end of nut 2 on the screw rod 3 of described nut 2 sides, described screw rod 3 afterbodys are provided with swivel head 8, on the screw rod 3 of described swivel head 8 sides, locating slot 9 is installed, described swivel head 8 and locating slot 9 are all positioned at the outside of body 5, the end face of described body 5 tail ends is provided with some tapped holes 15, described body 5 afterbodys connect chain 13, described chain 13 tail ends are provided with screw 14.
Described swivel head 8 is regular hexagon, and described swivel head 8 connects spanner 12.
Described locating slot 9 is circumferential, and described some tapped hole 15 correspondences are evenly distributed on the circumference of locating slot 9.
Be not difficult to find out, the utility model is fixed on the pin 1 that resembles on open chain tightener in nest seat 10 while using, with gib head 4, catch on a ring nearest on chain 11, then with spanner 12, be enclosed within on swivel head 8 and drive screw rod 3 to rotate, the rotation of screw rod 3 makes transverse shifting in the chute 6 of gib head 4 on body 5, tighten up chain, finally screw 14 is inserted in the locating slot 9 of screw rod 3 afterbodys and the tapped hole 15 of body 5 end faces, prevent that screw rod from moving back pine.
Claims (3)
1. an open chain tightener, comprise and resemble pin (1), gib head (4), screw rod (3) and body (5), it is characterized in that: described pin (1) bottom that resembles is fixed in nest seat (10), describedly resemble one end that pin (1) top is arranged on body (5), in chute (6) in the middle of described body (5), be provided with gib head (4), in the tapped hole (7) of described gib head (4) bottom, be installed with screw rod (3), described screw rod (3) head inserts in body (5), by being installed on the nut (2) of head, limit its transverse shifting, cotter pin assembly (16) is installed and against the end of nut (2) on the screw rod (3) of described nut (2) side, described screw rod (3) afterbody is provided with swivel head (8), on the screw rod (3) of described swivel head (8) side, locating slot (9) is installed, described swivel head (8) and locating slot (9) are all positioned at the outside of body (5), the end face of described body (5) tail end is provided with some tapped holes (15), described body (5) afterbody connects chain (13), described chain (13) tail end is provided with screw (14).
2. a kind of open chain tightener according to claim 1, is characterized in that: described swivel head (8) is regular hexagon, and described swivel head (8) connects spanner (12).
3. a kind of open chain tightener according to claim 1, is characterized in that: described locating slot (9) is circumferential, and described some tapped holes (15) correspondence is evenly distributed on the circumference of locating slot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320403202.1U CN203413052U (en) | 2013-07-08 | 2013-07-08 | Opening type chain tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320403202.1U CN203413052U (en) | 2013-07-08 | 2013-07-08 | Opening type chain tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413052U true CN203413052U (en) | 2014-01-29 |
Family
ID=49975941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320403202.1U Expired - Lifetime CN203413052U (en) | 2013-07-08 | 2013-07-08 | Opening type chain tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335076A (en) * | 2013-07-08 | 2013-10-02 | 昆山吉海实业公司 | Open chain tightener |
| CN109707794A (en) * | 2018-12-14 | 2019-05-03 | 中国航空工业集团公司西安飞机设计研究所 | A kind of chain tensioner |
-
2013
- 2013-07-08 CN CN201320403202.1U patent/CN203413052U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335076A (en) * | 2013-07-08 | 2013-10-02 | 昆山吉海实业公司 | Open chain tightener |
| CN109707794A (en) * | 2018-12-14 | 2019-05-03 | 中国航空工业集团公司西安飞机设计研究所 | A kind of chain tensioner |
| CN109707794B (en) * | 2018-12-14 | 2021-02-09 | 中国航空工业集团公司西安飞机设计研究所 | Chain tensioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |