CN216923043U - Crankshaft counterweight convenient to install - Google Patents
Crankshaft counterweight convenient to install Download PDFInfo
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- CN216923043U CN216923043U CN202122148502.7U CN202122148502U CN216923043U CN 216923043 U CN216923043 U CN 216923043U CN 202122148502 U CN202122148502 U CN 202122148502U CN 216923043 U CN216923043 U CN 216923043U
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- balance weight
- nut
- hole
- crankshaft
- connecting rod
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Abstract
The utility model relates to a crankshaft balance weight convenient to install, which comprises a balance weight, wherein the balance weight comprises a connecting rod, a left first nut is arranged on one side, close to the balance weight, of a left balance weight, a right first nut is arranged on one side, close to the balance weight, of a right balance weight, a crankshaft penetrates through a second through hole to be connected with the left balance weight, a left second nut is arranged on the same side of a left first stop block of the left balance weight, a second through hole penetrates through the side, far away from the first through hole, of the right balance weight, the crankshaft penetrates through the second through hole to be connected with the right balance weight, and a right second nut is arranged on the same side of a right first stop block of the right balance weight. Fix the balancing weight through the connecting rod for balanced heavy has the balancing action, and left balancing piece passes through the second through-hole with right balancing piece and is connected the bent axle, and the dismouting of being convenient for is balanced heavy, and overall structure is simple, and the operation of being convenient for has higher using value widely.
Description
Technical Field
The utility model relates to the technical field of balance weights, in particular to a crankshaft balance weight convenient to install.
Background
The crankshaft balance weight is used for balancing the rotating inertia force and the moment of the crankshaft to enable the crankshaft to achieve internal balance, and comprises a balance weight body and a crankshaft, wherein the balance weight body and the crankshaft form an independent and detachable arc structure, and the crankshaft is the most important part in an engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load.
At present, accomplish the back at balanced heavy production, need adorn the balance weight to the crank on, the installation among the prior art is mostly for the snap-on, is about to balanced heavy direct card on the crank, needs fixed totally just can make balanced heavy can not damaged when the high-speed operation of engine produce the potential safety hazard to balanced heavy and bent axle is a whole after the fixed mounting, and the later stage of being not convenient for carries out the dismouting maintenance, has wasted the resource.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a crankshaft balance weight convenient to install, and the crankshaft balance weight is used for solving the problem that the crankshaft balance weight is inconvenient to install in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: a crankshaft balance weight convenient to install comprises a balance weight, the balance weight comprises a connecting rod, the connecting rod sequentially penetrates through a left balance weight, a balance weight and a right balance weight, a left first nut is arranged on one side, close to the balance weight, of the left balance weight, the outer side of the connecting rod is sleeved with the left first nut, a right first nut is arranged on one side, close to the balance weight, of the right balance weight, the outer side of the connecting rod is sleeved with the right first nut, a left first stop block is arranged at one end, close to the left balance weight, of the connecting rod, a right first stop block is arranged at one end, close to the right balance weight, of the connecting rod, a second through hole is arranged on the side, far away from the first through hole, of the left balance weight, a crankshaft penetrates through the second through hole to be connected with the left balance weight, a left second nut is arranged on the same side of the left first stop block of the left balance weight, a crankshaft is sleeved with the outer side of the second nut, a left second stop block is arranged on the non-left side of the crankshaft, the right balance block is far away from the first through hole side and penetrates through the second through hole, the crankshaft penetrates through the second through hole to be connected with the right balance block, a right second nut is arranged on the same side of the right first stop block of the right balance block, the outer side of the crankshaft is sleeved with the right second nut, and a right second stop block is arranged on the side end, not right, of the crankshaft.
As a preferred technical solution of the present invention, the left balance weight and the right balance weight are symmetrically disposed with respect to the balance weight.
As a preferable technical scheme of the utility model, the first through hole is matched with the connecting rod.
As a preferable aspect of the present invention, the second through hole is adapted to the crankshaft.
As a preferable technical solution of the present invention, the left second nut and the right second nut are rotatably connected to the crankshaft.
As a preferred technical scheme of the utility model, the left balance block and the right balance block are both provided with oil holes in a penetrating mode.
The utility model has at least the following beneficial effects:
(1) fix the balancing weight through the connecting rod for the balanced weight has the balanced effect.
(2) Left balancing piece passes through the second through-hole with right balancing piece and is connected the bent axle, and bent axle connection left balancing piece one end is equipped with left second nut, and bent axle connection right balancing piece one end is equipped with right second nut, can carry out the dismouting with balancing weight through left second nut or right second nut.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a left counterweight according to the present invention;
FIG. 3 is a schematic diagram of a right counterweight structure according to the present invention.
In the reference symbols: 1. a left counterbalance; 2. a right counterbalance; 3. a connecting rod; 4. a balancing weight; 5. a left first nut; 6. a right first nut; 7. a right first stopper; 8. a right second stopper; 9. a left second nut; 10. A right second nut; 11. a crankshaft; 12. a first through hole; 13. an oil hole; 14. a second through hole; 15. a left first stop block; 16. and a left second stop.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a crankshaft counterweight convenient to install comprises a counterweight, the counterweight comprises a connecting rod 3, the connecting rod 3 sequentially penetrates through a left counterweight 1, a counterweight 4 and a right counterweight 2, a left first nut 5 is arranged on one side of the left counterweight 1 close to the counterweight 4, the outer side of the connecting rod 3 is sleeved with the left first nut 5, a right first nut 6 is arranged on one side of the right counterweight 2 close to the counterweight 4, the outer side of the connecting rod 3 is sleeved with the right first nut 6, a left first stop block is arranged at one end of the connecting rod 3 close to the left counterweight 1, a right first stop block is arranged at one end of the connecting rod 3 close to the right counterweight 2, a second through hole 14 is arranged on the side of the left counterweight 1 far away from a first through hole 12, a crankshaft 11 penetrates through the second through hole 14 to be connected with the left counterweight 1, a left second nut 9 is arranged on the same side of a left first stop block 15 of the left counterweight 1, the outer side of the crankshaft 11 is sleeved with the left second nut 9, a left second stop block 16 is arranged on the non-left-side end of the crankshaft 11, the right balance block 2 is far away from the first through hole 12 side and penetrates through a second through hole 14, the crankshaft 11 penetrates through the second through hole 14 and is connected with the right balance block 2, a right second nut 10 is arranged on the same side of the right first stop block 7 of the right balance block 2, the outer side of the crankshaft 11 is sleeved with the right second nut 10, and a right second stop block 8 is arranged at the side end of the crankshaft 11, which is not the right second nut 10.
Wherein, left balancing piece 1 and right balancing piece 2 are set up about balancing weight 4 symmetry for the balancing weight keeps symmetry, and the balancing performance is high.
The first through hole 12 is adapted to the connecting rod 3, and the first connecting rod 3 can be used to connect the left balance weight 1 and the right balance weight 2 through the first through hole 12.
The second through hole 14 is adapted to the crankshaft 11, and the crankshaft 11 can be used to connect the left balance weight 1 and the right balance weight 2 through the second through hole 14.
The left balance weight 1 and the right balance weight 2 are the same in size, so that the balance weights can be kept balanced after being connected through the crankshaft 11.
And the left second nut 9 and the right second nut 10 are rotationally connected with the crankshaft 11, so that the counterweight can be conveniently disassembled and assembled through the left second nut 9 or the right second nut 10.
The oil hole 13 is all worn to establish by balanced 2 pieces in left balancing piece 1 and right side for machine oil can pass through the balanced weight when the engine operation.
The working principle is as follows: specifically, a left first nut 5, a balancing weight 4 and a right first nut 6 are sequentially arranged through a connecting rod 3 from right to left, the connecting rod 3 penetrates through a first through hole 12 to penetrate through a left balancing weight 1, the connecting rod 3 penetrates through a first through hole 12 to penetrate through a right balancing weight 2, so that the left balancing weight 1 and the right balancing weight 2 are arranged on a straight line, the left first nut 5, the balancing weight 4 and the right first nut 6 are fixed between the left balancing weight 1 and the right balancing weight 2, the left first nut 5 is arranged at one end, close to the left balancing weight 1, of the balancing weight 4 of the connecting rod 3, the left balancing weight 1 is connected with the connecting rod 3 through the left first nut 5, the acting force faces towards a left first baffle block 15 end, the right first nut 6 is arranged at one end, close to the right balancing weight 2, of the connecting rod 3, the right balancing weight 2 is connected with the connecting rod 3 through the right first nut 6, and the acting force faces towards a right first baffle block 7 end, the end of the connecting rod 3 close to the left balance block 1 is provided with a left first stop block 15 in a connecting way, the end of the connecting rod 3 close to the right balance block 2 is provided with a right first stop block 7 in a connecting way, the crankshaft 11 is penetrated through the left balance block 1 through a second through hole 14, the left first stop block 15 of the left balance block 1 is penetrated through a left second nut 9 at the same side, the crankshaft 11 is connected with the left balance block 1 through the left second nut 9, the acting force faces towards the end of the left second stop block 16, the left second stop block 16 is penetrated through the left first nut 5 of the left balance block 1 at the same side, the crankshaft 11 is penetrated through the right balance block 2 through the second through hole 14, the right second nut 10 is penetrated through the right first stop block 7 of the right balance block 2 at the same side, the crankshaft 11 is connected with the right balance block 2 through the right second nut 10, the acting force faces towards the end of the right second stop block 8, the right first nut 6 of the right balance block 2 is penetrated through the right block 8 at the same side, the first through hole 12 of the left balance block 1 at the first stop block 15, the power of the first through-hole 14 end of the left balancing piece 1 is the second dog 16 to the left, therefore the power that the left balancing piece 1 received keeps balanced, the power of the first through-hole 12 end of the right balancing piece 2 is the first dog 7 to the right this moment, the power of the 2 second through-hole 14 ends of the right balancing piece is the second dog 8 to the right, therefore the power that the right balancing piece 2 received keeps balanced, whole balancing weight keeps balanced and is fixed, can take off the balancing weight and install through screwing down left second nut 9 or right second nut 10.
The utility model has the following beneficial effects: fix balancing weight 4 through connecting rod 3 for balanced heavy has the balancing act, and bent axle 11 is connected through second through-hole 14 with right balancing weight 2 to left balancing weight 1, and the dismouting of being convenient for is balanced heavy, and overall structure is simple, and the operation of being convenient for has higher using value widely.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The crankshaft balance weight convenient to install comprises a balance weight body and is characterized in that the balance weight body comprises a connecting rod (3), a left balance weight body (1), a balance weight block (4) and a right balance weight body (2) are sequentially arranged in a penetrating mode through the connecting rod (3), a left first nut (5) is arranged on one side, close to the balance weight block (4), of the left balance weight body (1), the outer side of the connecting rod (3) is sleeved with the left first nut (5), a right first nut (6) is arranged on one side, close to the balance weight block (4), of the right balance weight body (2), the outer side of the connecting rod (3) is sleeved with the right first nut (6), a left first stop block is arranged at one end, close to the left balance weight body (1), of the connecting rod (3) is provided with a right first stop block, a second through hole (14) is arranged on the side, far away from the first through hole (12), of the left balance weight body (1), bent axle (11) pass second through-hole (14) and connect left balancing piece (1), first dog (15) homonymy in a left side of left side balancing piece (1) is equipped with left second nut (9), bent axle (11) outside is established to left side second nut (9) cover, bent axle (11) non-left second nut (9) side is equipped with left second dog (16), first through-hole (12) side is kept away from in right side balancing piece (2) and second through-hole (14) are worn to establish, bent axle (11) pass second through-hole (14) and connect right balancing piece (2), right first dog (7) homonymy of right side balancing piece (2) is equipped with right second nut (10), bent axle (11) outside is established to right side second nut (10) cover, bent axle (11) non-right second nut (10) side is equipped with right second dog (8).
2. An easy-to-install crankshaft counterweight as set forth in claim 1, wherein: the left balance weight (1) and the right balance weight (2) are symmetrically arranged relative to the balancing weight (4).
3. An easy-to-install crankshaft counterweight as set forth in claim 1, wherein: the first through hole (12) is matched with the connecting rod (3).
4. An easy-to-install crankshaft counterweight as set forth in claim 1, wherein: the second through hole (14) is matched with the crankshaft (11).
5. An easy-to-install crankshaft counterweight as set forth in claim 1, wherein: the left second nut (9) and the right second nut (10) are rotationally connected with the crankshaft (11).
6. An easy-to-install crankshaft counterweight as set forth in claim 1, wherein: the left balance block (1) and the right balance block (2) are both provided with oil holes (13) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122148502.7U CN216923043U (en) | 2021-09-07 | 2021-09-07 | Crankshaft counterweight convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122148502.7U CN216923043U (en) | 2021-09-07 | 2021-09-07 | Crankshaft counterweight convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216923043U true CN216923043U (en) | 2022-07-08 |
Family
ID=82222577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122148502.7U Active CN216923043U (en) | 2021-09-07 | 2021-09-07 | Crankshaft counterweight convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216923043U (en) |
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2021
- 2021-09-07 CN CN202122148502.7U patent/CN216923043U/en active Active
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