CN213505728U - Dustproof device of chain block - Google Patents
Dustproof device of chain block Download PDFInfo
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- CN213505728U CN213505728U CN202022714475.0U CN202022714475U CN213505728U CN 213505728 U CN213505728 U CN 213505728U CN 202022714475 U CN202022714475 U CN 202022714475U CN 213505728 U CN213505728 U CN 213505728U
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- hand
- sprocket
- dust
- major axis
- ratchet
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Abstract
The utility model discloses a hand chain block's dust keeper, including the major axis, overlap in the epaxial hand sprocket of major axis and the jack-up sprocket of empty cover through the transmission screw soon, the jack-up sprocket both sides are provided with respectively and wear to locate the epaxial left board of major axis and right board, are provided with brake mechanism between right board and the hand sprocket, brake mechanism is including wearing to locate the epaxial dull polish piece of major axis and ratchet, and the right board is fixed with the pawl that is used for braking the ratchet on being close to one side of hand sprocket, is provided with between right board and the hand sprocket and is used for preventing to get into dust and detachable dust-proof housing in the ratchet. The utility model adopts the above structure a hand chain block's dust keeper has dust-proof housing and detachably connects on the right board, is convenient for maintain when brake mechanism goes wrong to have the hand sprocket that matches with the dust-proof housing, seal brake mechanism between right board and hand sprocket, the dust is difficult to get into, has avoided the ratchet to take place because the dust gets into the phenomenon of taking place to skid.
Description
Technical Field
The utility model relates to a chain block equipment technical field especially relates to a dust keeper of chain block.
Background
The dustproof device of the chain block is a manual hoisting machine which is simple to use and convenient to carry, and is also called a chain block or a chain block. The lifting device is suitable for short-distance lifting of small equipment and goods, and the lifting capacity generally does not exceed 100 tons. But chain block is in the use, because the factor of environment, there is a large amount of dust and sand stone entering braking system, can cause braking system to skid, cause the incident, consequently, research and development chain block's dust keeper is very important, chain block's dust keeper's shell material is high-quality alloy steel at present, it is firm wear-resisting, the security performance is high, the most fixed welding in chain block's both sides of current chain block's dust cover, great inconvenience has been brought for installation and maintenance, and current chain block's dust cover is the circular structure mostly, the chain is at the hoisting process, touch the dust cover easily, thereby increased and the dust cover between the wearing and tearing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hand chain block's dust keeper to the problem that gets into the dust easily among the above-mentioned hand chain block braking system is solved.
In order to realize the above-mentioned purpose, the utility model provides a hand chain block's dust keeper, including the major axis, through the transmission screw thread overlap soon in hand sprocket and the empty cover on the major axis in the last jack-up sprocket of major axis, the jack-up sprocket both sides are provided with respectively and wear to locate the epaxial left board of major axis and right board, the right side board with be provided with brake mechanism between the hand sprocket, brake mechanism is including wearing to locate last frosting piece and the ratchet of major axis, the right side board is close to be fixed with on one side of hand sprocket and be used for the braking the pawl of ratchet, the right side board with be provided with between the hand sprocket and be used for preventing get into dust and detachable dirt-proof housing in the ratchet.
Preferably, the dustproof shell is provided with a round pin hole at the edge for fixing the dustproof shell on the right plate, the middle part of the dustproof shell is provided with a through hole for the ratchet wheel to penetrate through, and the edge of the through hole is provided with a bulge.
Preferably, the hand chain wheel is provided with a groove matched with the protrusion, and the middle part of the hand chain wheel is provided with a threaded hole for being sleeved on the long shaft in a rotating mode.
Preferably, the dustproof shell is an inverted triangular shell.
Therefore, the utility model adopts the above structure a hand chain block's dust keeper has following beneficial effect:
1. the dust-proof housing has the detachable effect simultaneously under the condition of preventing brake mechanism entering dust, when brake mechanism goes wrong, the maintenance of being convenient for.
2. The hand chain wheel is provided with a groove matched with the protrusion of the dustproof shell, and the brake mechanism is sealed between the right plate and the hand chain wheel through the connection of the protrusion and the groove.
3. The dustproof shell is an inverted triangular shell, and the bracelet cannot rub against the dustproof shell in the process of pulling the bracelet.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of a brake mechanism of an embodiment of a dustproof device of a chain block of the present invention;
fig. 2 is a schematic structural view of a dustproof case of an embodiment of the dustproof device of the chain block of the present invention;
fig. 3 is a schematic structural view of a chain wheel of the dustproof device of the chain block of the present invention.
In the figure: 1. a long axis; 2. a right plate; 3. a ratchet wheel; 4. a dust-proof shell; 5. a through hole; 6. a protrusion; 7. a round pin hole; 8. a hand sprocket; 9. a groove; 10. a threaded bore.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following describes embodiments of the present invention with reference to the accompanying drawings. Fig. 1 is a schematic structural view of a brake mechanism of an embodiment of a dustproof device of a chain block of the present invention; fig. 2 is a schematic structural view of a dustproof case of an embodiment of the dustproof device of the chain block of the present invention; fig. 3 is a schematic structural view of a chain wheel of the dustproof device of the chain block of the present invention. As shown in the drawing, the utility model relates to a hand chain block's dust keeper, including major axis 1, cover in major axis 1 on hand sprocket 8 and the empty cover in major axis 1 hoisting sprocket through the transmission screw soon, the hoisting sprocket both sides are provided with respectively and wear to locate left board and right board 2 on major axis 1, be provided with brake mechanism between right board 2 and the hand sprocket 8, brake mechanism is including wearing to locate dull polish piece and ratchet 3 on major axis 1, ratchet 3 sets up in one side that right board 2 is close to hand sprocket 8, and be fixed with the pawl that is used for braking ratchet 3 on one side that right board 2 is close to hand sprocket 8, be provided with between right board 2 and the hand sprocket 8 and be used for preventing to get into dust and detachable dust-proof housing 4 in the ratchet 3. The dustproof shell 4 is provided with a round pin hole 7 on the edge for fixing the dustproof shell 4 on the right plate 2, the middle part of the dustproof shell 4 is provided with a through hole 5 for the ratchet wheel 3 to penetrate, and the edge of the through hole 5 is provided with a bulge 6. Be provided with on the hand sprocket 8 with protruding 6 assorted recess 9, hand sprocket 8 middle part is provided with and is used for the screw hole 10 of cover on major axis 1 soon, dustproof shell 4 passes round pinhole 7 on the dustproof shell and the round pinhole on the right board 2 through the round pin and is connected dustproof shell 4 and right board 2, ratchet 3 is arranged in dustproof shell 4 this moment, ratchet 3 wears into in the through-hole 5 of dustproof shell 4, then wear to locate on major axis 1 with hand sprocket 8, until recess 9 on the hand sprocket 8 is connected with protruding 6, right board 2, form enclosed construction between dustproof shell 4 and the hand sprocket 8, the brake mechanism who has prevented to be arranged between right board 2 and the dustproof shell 4 in gets into the dust. The dustproof shell 4 is an inverted triangle shell.
The utility model discloses a concrete implementation process does: place dustproof shell 4 corresponding right board 2 to pass round pin 7 with dustproof shell 4 and be fixed in right board 2 on, ratchet 3 pierces into through-hole 5 this moment, then wears to locate on major axis 1 hand sprocket 8, until recess 9 and arch 6 contact.
Therefore, the utility model adopts the above structure a hand chain block's dust keeper has the dust cover and seals brake mechanism between right board and dust guard, prevents the entering of dust and sand and dust, leads to the brake failure, the incident of appearing to the dust cover is detachable construction, maintains when being convenient for brake mechanism goes wrong.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (4)
1. The utility model provides a hand chain block's dust keeper, includes the major axis, through the transmission screw thread overlap soon in on the major axis hand sprocket with the empty cover in on the major axis jack-up sprocket, the jack-up sprocket both sides are provided with respectively and wear to locate on the major axis left board and right board, the right side board with be provided with brake mechanism between the hand sprocket, brake mechanism is including wearing to locate on the major axis dull polish piece and ratchet, the right side board is close to be fixed with on one side of hand sprocket and be used for the braking the pawl of ratchet, its characterized in that: and a detachable dustproof shell for preventing dust from entering the ratchet wheel is arranged between the right plate and the hand chain wheel.
2. The dustproof device of the chain block as claimed in claim 1, wherein: the dustproof shell is characterized in that the edge of the dustproof shell is provided with a round pin hole used for fixing the dustproof shell on the right plate, the middle of the dustproof shell is provided with a through hole used for the ratchet wheel to penetrate, and the edge of the through hole is provided with a bulge.
3. The dustproof device of the chain block as claimed in claim 2, wherein: the hand chain wheel is provided with a groove matched with the protrusion, and the middle part of the hand chain wheel is provided with a threaded hole for being sleeved on the long shaft in a rotating mode.
4. The dustproof device of the chain block as claimed in claim 1, wherein: the dustproof shell is an inverted triangular shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714475.0U CN213505728U (en) | 2020-11-20 | 2020-11-20 | Dustproof device of chain block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714475.0U CN213505728U (en) | 2020-11-20 | 2020-11-20 | Dustproof device of chain block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213505728U true CN213505728U (en) | 2021-06-22 |
Family
ID=76424842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022714475.0U Active CN213505728U (en) | 2020-11-20 | 2020-11-20 | Dustproof device of chain block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213505728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116022679A (en) * | 2023-03-24 | 2023-04-28 | 河北宇雕起重装备科技有限公司 | Closed chain block with lubricating mechanism |
-
2020
- 2020-11-20 CN CN202022714475.0U patent/CN213505728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116022679A (en) * | 2023-03-24 | 2023-04-28 | 河北宇雕起重装备科技有限公司 | Closed chain block with lubricating mechanism |
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