CN211569952U - Efficient anti-reversion lever block - Google Patents
Efficient anti-reversion lever block Download PDFInfo
- Publication number
- CN211569952U CN211569952U CN202020031539.4U CN202020031539U CN211569952U CN 211569952 U CN211569952 U CN 211569952U CN 202020031539 U CN202020031539 U CN 202020031539U CN 211569952 U CN211569952 U CN 211569952U
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- China
- Prior art keywords
- handle
- main casing
- lever block
- reversion
- rod
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- Expired - Fee Related
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- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses an efficient anti-reversion lever block, including the main casing body: the side of the main casing body is provided with a handle through a hexagon nut, the side of the handle is provided with a backstop, the top of the main casing body is provided with an upper hanging ring, and the inner side of the main casing body is provided with a ratchet wheel connected with the top end of the handle. Has the advantages that: pass through hexagon nut installation handle through main casing side, the anti-skidding cover that the side of handle was equipped with is equipped with the sand grip, the frictional force of sand grip multiplicable handle and workman's palm on the anti-skidding cover, can avoid the workman smooth operation to appear, and the main casing body is located the ratchet below and is equipped with the fixing base, the inboard sliding connection of fixing base prevents contrary pole, and prevent that the bottom of contrary pole passes through the dead lever and connect reset spring, when the lever block reversal condition appears, reset spring provides the restoring force and makes and prevent against the pole card inboard at the ratchet, can realize forcing the shut down under overload state, avoid causing the product to damage.
Description
Technical Field
The utility model relates to a hand plate block technical field particularly, relates to an efficient prevents reverse hand plate block.
Background
The lever block is also called a fairy block, a chain block, a manual block, is a manual hoisting machine which is simple to use and convenient to carry, and is also called a 'ring chain block' or a 'chain block'. The lifting device is suitable for short-distance lifting of small equipment and goods, the lifting capacity generally does not exceed 10T, the maximum lifting capacity can reach 20T, and the lifting height generally does not exceed 6 m. The shell of the chain block is made of high-quality alloy steel, and is firm, wear-resistant and high in safety performance. When the chain block lifts the heavy object upwards, the hand chain is pulled clockwise and the hand chain wheel rotates, when the chain block descends, the hand chain is pulled anticlockwise, the brake seat is separated from the brake pad, the ratchet wheel is static under the action of the pawl, and the five-tooth long shaft drives the hoisting chain wheel to run in the opposite direction, so that the heavy object is lifted stably.
The screws of the existing chain blocks are easy to loosen, and connecting parts are easy to deform to cause falling off, so that potential safety hazards are generated; the old product of the traditional chain block is a four-row chain, the lifting speed is slow, and the use is inconvenient; and the device does not have the function of reverse rotation prevention, cannot be forcibly stopped under an overload state, and is easy to cause product damage.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides an efficient anti-reversion lever block to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
an efficient anti-reverse lever block comprising a main housing: the side of the main casing body is equipped with the handle through hexagon nut, the side of handle is equipped with the stopping ware, the top of the main casing body is equipped with rings, just the inboard of the main casing body be equipped with the ratchet that the handle top is connected, the outside of ratchet is equipped with the chain, the one end of chain is equipped with the pull ring, the inboard of the main casing body is located the below of ratchet is equipped with the fixing base, the inboard of fixing base is equipped with prevents contrary pole, the side of preventing contrary pole is equipped with the lug, and the side of preventing contrary pole is equipped with the dead lever, the side of dead lever is connected with and is located the inboard reset spring of fixing base.
Preferably, the side surface of the handle is provided with an anti-slip sleeve, and the side surface of the anti-slip sleeve is provided with a convex strip.
Preferably, one end of the chain is provided with a connecting plate, and the inner side of the connecting plate is provided with a lower hanging ring through a connecting bolt.
Preferably, the front surface of the main housing is provided with an adjusting groove, and the adjusting groove is in sliding fit with the projection.
Preferably, the top end of the anti-reverse rod is provided with an arc-shaped section, and the anti-reverse rod is made of stainless steel.
Preferably, the front surface of the fixing seat is provided with a sliding groove, and the sliding groove is in sliding fit with the anti-reverse rod.
The utility model has the advantages that: pass through hexagon nut installation handle through main casing side, the anti-skidding cover that the side of handle was equipped with is equipped with the sand grip, the frictional force of sand grip multiplicable handle and workman's palm on the anti-skidding cover, can avoid the workman smooth operation to appear, and the main casing body is located the ratchet below and is equipped with the fixing base, the inboard sliding connection of fixing base prevents contrary pole, and prevent that the bottom of contrary pole passes through the dead lever and connect reset spring, when the lever block reversal condition appears, reset spring provides the restoring force and makes and prevent against the pole card inboard at the ratchet, can realize forcing the shut down under overload state, avoid causing the product to damage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an efficient anti-reverse lever block according to an embodiment of the present invention;
fig. 2 is a front view cutting view of an efficient anti-reverse lever block according to the embodiment of the present invention:
fig. 3 is an enlarged structural view of a point a of the efficient anti-reverse lever block according to the embodiment of the present invention.
In the figure:
1. a main housing; 2. a hexagonal nut; 3. a handle; 4. an anti-slip sleeve; 5. a convex strip; 6. a backstop device; 7. an upper hanging ring; 8. a ratchet wheel; 9. a chain; 10. a pull ring; 11. a lower lifting ring; 12. a connecting plate; 13. a connecting bolt; 14. a fixed seat; 15. an anti-reverse rod; 16. a bump; 17. fixing the rod; 18. a return spring; 19. an adjustment groove; 20. a chute.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the embodiment of the utility model, an efficient anti-reversion lever block is provided.
The first embodiment;
as shown in fig. 1 to 3, the efficient anti-reverse lever block according to the embodiment of the present invention comprises a main housing 1: the side of the main shell 1 is provided with a handle 3 through a hexagon nut 2, the side of the handle 3 is provided with a backstop 6, the top of the main shell 1 is provided with an upper lifting ring 7, the inner side of the main shell 1 is provided with a ratchet 8 connected with the top end of the handle 3, the outer side of the ratchet 8 is provided with a chain 9, one end of the chain 9 is provided with a pull ring 10, the inner side of the main shell 1 is positioned below the ratchet 8, a fixed seat 14 is arranged below the ratchet 8, the inner side of the fixed seat 14 is provided with an anti-reverse rod 15, the side of the anti-reverse rod 15 is provided with a convex block 16, the side of the anti-reverse rod 15 is provided with a fixed rod 17, the side of the fixed rod 17 is connected with a reset spring 18 positioned inside the fixed seat 14, the design is not difficult to see, the bottom end of the anti-reverse rod 15 is connected with the reset spring 18 through the fixed rod 17, can realize forcing the shut down under overload state, avoid causing the product to damage, spout 20 has been seted up on the front of fixing base 14, spout 20 with prevent against pole 15 sliding fit.
Example two;
as shown in fig. 1-3, the side of the handle 3 is provided with an anti-slip sleeve 4, the side of the anti-slip sleeve 4 is provided with a convex strip 5, it can be easily seen from the above design that the convex strip 5 on the anti-slip sleeve 4 can increase the friction force between the handle 3 and the palm of a worker, so as to avoid the occurrence of hand sliding operation of the worker, one end of the chain 9 is provided with a connecting plate 12, the inner side of the connecting plate 12 is provided with a lower hanging ring 11 through a connecting bolt 13, the front of the main housing 1 is provided with an adjusting groove 19, the adjusting groove 19 is in sliding fit with the convex block 16, the top end of the anti-reverse rod 15 is provided with an arc section, the anti-reverse rod 15 is made of stainless steel, the front of the fixing seat 14 is provided.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, at first, main casing body 1 side is through hexagon nut 2 installation handle 3, antiskid cover 4 that the side of handle 3 was equipped with is equipped with sand grip 5, sand grip 5 on the antiskid cover 4 can increase the frictional force of handle 3 with the workman's palm, can avoid the workman to appear the hand sliding operation, and main casing body 1 is located ratchet 8 below and is equipped with fixing base 14, 14 inboard sliding connection prevents contrary pole 15 of fixing base, and prevent that the bottom of contrary pole 15 passes through dead lever 17 and connect reset spring 18, when the hand hoist reversal condition appears, reset spring 18 provides the restoring force and makes and prevent against contrary pole 15 card inboard at the ratchet, can realize forcing the shut down under overload state, avoid causing the product damage.
To sum up, with the aid of the above technical scheme of the utility model, through main casing 1 side through hexagon nut 2 installation handle 3, antiskid cover 4 that the side of handle 3 was equipped with sand grip 5, the 5 multiplicable handle of sand grip 3 on the antiskid cover 4 and the frictional force of workman's palm, can avoid the workman to appear the smooth operation of hand, and main casing 1 is located ratchet 8 below and is equipped with fixing base 14, 14 inboard sliding connection of fixing base prevents contrary pole 15, and prevent that the bottom of contrary pole 15 passes through dead lever 17 and connect reset spring 18, when the hand hoist appears the reversal circumstances, reset spring 18 provides the restoring force and makes and prevent against contrary pole 15 card inboard at ratchet 8, can realize forcing the shut down under overload state, avoid causing the product to damage.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An efficient anti-reverse lever block, characterized by comprising a main housing (1): the side surface of the main shell (1) is provided with a handle (3) through a hexagonal nut (2), a backstop (6) is arranged on the side surface of the handle (3), an upper hanging ring (7) is arranged on the top of the main shell (1), and the inner side of the main shell (1) is provided with a ratchet wheel (8) connected with the top end of the handle (3), a chain (9) is arranged on the outer side of the ratchet wheel (8), a pull ring (10) is arranged at one end of the chain (9), a fixed seat (14) is arranged at the lower part of the ratchet wheel (8) at the inner side of the main shell (1), an anti-reverse rod (15) is arranged on the inner side of the fixed seat (14), a convex block (16) is arranged on the side surface of the anti-reverse rod (15), and a fixing rod (17) is arranged on the side surface of the anti-reverse rod (15), and a return spring (18) positioned on the inner side of the fixing seat (14) is connected to the side surface of the fixing rod (17).
2. The efficient anti-reversion lever block of claim 1, wherein the side of the handle (3) is provided with an anti-slip sleeve (4), and the side of the anti-slip sleeve (4) is provided with a convex strip (5).
3. An efficient anti-reversion lever block as claimed in claim 1, wherein one end of the chain (9) is provided with a connecting plate (12), and the inner side of the connecting plate (12) is provided with a lower suspension ring (11) through a connecting bolt (13).
4. An efficient anti-reverse lever block as claimed in claim 1, wherein the front face of the main housing (1) is provided with an adjustment slot (19), and the adjustment slot (19) is slidably engaged with the projection (16).
5. The efficient anti-reversion lever block of claim 1, wherein the top end of the anti-reversion rod (15) is provided with an arc-shaped section, and the anti-reversion rod (15) is made of stainless steel.
6. The efficient anti-reversion lever block of claim 1, wherein the front face of the fixed base (14) is provided with a sliding groove (20), and the sliding groove (20) is in sliding fit with the anti-reversion rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020031539.4U CN211569952U (en) | 2020-01-07 | 2020-01-07 | Efficient anti-reversion lever block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020031539.4U CN211569952U (en) | 2020-01-07 | 2020-01-07 | Efficient anti-reversion lever block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211569952U true CN211569952U (en) | 2020-09-25 |
Family
ID=72554335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020031539.4U Expired - Fee Related CN211569952U (en) | 2020-01-07 | 2020-01-07 | Efficient anti-reversion lever block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211569952U (en) |
-
2020
- 2020-01-07 CN CN202020031539.4U patent/CN211569952U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200925 |