CN215171494U - Novel handle connecting seat and small agricultural machine - Google Patents
Novel handle connecting seat and small agricultural machine Download PDFInfo
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- CN215171494U CN215171494U CN202121381150.3U CN202121381150U CN215171494U CN 215171494 U CN215171494 U CN 215171494U CN 202121381150 U CN202121381150 U CN 202121381150U CN 215171494 U CN215171494 U CN 215171494U
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Abstract
The utility model discloses a novel handle connecting seat and a small agricultural machine, wherein the novel handle connecting seat comprises a lower base, the lower base is connected with a first sleeve, and the lower base is provided with a first through hole communicated with the first sleeve; the upper base is connected with a second sleeve, and a second through hole communicated with the second sleeve is formed in the upper base; the second sleeve is sleeved outside the first sleeve; the second sleeve is rotationally connected with the first sleeve; and the limiting device is positioned between the first sleeve and the second sleeve or at the end part of the second sleeve, and is in contact with the outer wall of the first sleeve to prevent the first sleeve from generating axial displacement relative to the second sleeve. The service life of the wire connected with the mechanical parts at the two ends of the handle connecting seat is prolonged through the handle connecting seat; meanwhile, the problem that the handle connecting seat swings radially when used for a certain time due to mechanical parts at two ends of the handle connecting seat is solved, and meanwhile, the production cost is reduced.
Description
Technical Field
The utility model relates to a handle connecting seat field especially relates to small agricultural machinery handle connecting seat field.
Background
The handle connecting seat is applied to various fields of mechanical equipment, and realizes the relative rotation between two mechanical parts; the rotating shaft base is generally connected by a bearing, and a middle shaft of the rotating shaft is a solid shaft; this realizes that the pivot is rotated sensitively.
When the traditional handle connecting seat is applied to the field of small agricultural machinery, due to the production environment of the small agricultural machinery, the road is uneven, crops exist around equipment during working, and relatively rotating mechanical parts connected with two ends of the handle connecting seat basically need electric wires for power connection, and the electric wires can only be fixed on the surface of the handle connecting seat; therefore, the small agricultural machine is easy to damage during working;
on the other hand, the working part of the small agricultural machine or the machine head is connected in a relatively rotating mode with the ground plate of the small agricultural machine, the handle connecting seat is not required to be very sensitive in rotating, but the abrasion of the bearing in the handle connecting seat is serious, the bearing is frequently damaged, mechanical parts connected with the two ends of the handle connecting seat are caused, and the radial swinging occurs, so that the normal production cannot be carried out.
Therefore in order to adapt to the production environment of the small agricultural machine, the handle connecting seat of the small agricultural machine needs to be improved, the wire at the two ends of the handle connecting seat is prevented from being damaged in working, and the problem that the mechanical parts connected with the two ends of the handle connecting seat swing radially due to the fact that the bearing in the handle connecting seat is abnormal is avoided.
The utility model patent application, application number 2021205968438 that the applicant has filed, the title is a novel handle connecting seat and little agricultural machinery, can utilize the ball to carry on spacingly to first sleeve and second sleeve, prevents to take place axial displacement between first sleeve and the second sleeve.
However, in the actual use process, the ball is influenced by factors such as the operating environment, the ball is in point contact with the first groove in the first sleeve and the second groove in the second sleeve, the local pressure is high, and the ball, the first groove and the second groove are easily damaged along with the lapse of time, so that a novel limiting device needs to be designed to overcome the defects at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a novel handle connecting seat, which prolongs the service life of a lead connected with mechanical parts at two ends of the handle connecting seat; meanwhile, the problem that the handle connecting seat swings radially when used for a certain time due to mechanical parts at two ends of the handle connecting seat is solved, and meanwhile, the production cost is reduced.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
one aspect of the utility model provides a novel handle connecting seat, which comprises a lower base, wherein the lower base is connected with a first sleeve, and the lower base is provided with a first through hole communicated with the first sleeve;
the upper base is connected with a second sleeve, and a second through hole communicated with the second sleeve is formed in the upper base; the second sleeve is sleeved outside the first sleeve; the second sleeve is rotatably connected with the first sleeve, namely the first sleeve and the first sleeve form a rotating shaft, and the middle of the rotating shaft is of a hollow structure; the upper base and the lower base can be connected with mechanical parts;
and the limiting device is positioned between the first sleeve and the second sleeve, is not connected with the first sleeve and the second sleeve, or is positioned at the end part of the second sleeve, and is in contact with the outer wall of the first sleeve to prevent the first sleeve from generating axial displacement relative to the second sleeve.
Compared with the prior art, the utility model has the advantages that the mechanical part connecting the upper base and the lower base is rotationally connected through the rotational connection of the first sleeve and the second sleeve; meanwhile, as the first sleeve of the handle connecting seat is of a hollow structure, an electric connecting lead of a mechanical part connected with the upper base and the lower base can penetrate through a through hole in the middle of the first sleeve to be connected, the electric connecting lead is protected, and damage during working is prevented; meanwhile, the first sleeve is fixed through a limiting device, so that the first sleeve is prevented from axially displacing relative to the second sleeve; the bearing connection between the sleeves is avoided, when the bearing is damaged, the first sleeve swings radially relative to the second sleeve, so that the mechanical part connected with the upper base and the lower base swings radially, and the processing cost is saved.
A first groove is formed in the outer wall of the first sleeve; a second groove is formed in the inner wall of the second sleeve; the first groove and the second groove are oppositely arranged; the first groove and the second groove can be continuously distributed, discontinuously distributed, annularly distributed, spirally distributed and the like on the sleeve wall;
the limiting device is located between the first groove and the second groove and is not connected with the first groove and the second groove.
The beneficial effect who adopts one step of technical scheme lies in, through setting up first recess and second recess, has reduced the friction when first sleeve rotates relatively with the second sleeve promptly, can hold stop device again simultaneously, prevents first sleeve for second sleeve axial motion, and stop device is not connected with first sleeve and second sleeve, therefore stop device and first sleeve and second telescopic area of contact are little, and frictional resistance is little.
The first groove and the second groove are both annular grooves, and the cross section of each annular groove is hemispherical; the first groove and the second groove are oppositely arranged to form a groove with a spherical cross section.
The limiting device is a second limiting device which comprises a fixing piece, the fixing piece is connected with the first sleeve, the distance between the fixing piece and the lower base is not less than the length of the second sleeve, preferably, the distance between the fixing piece and the lower base is not less than the sum of the lengths of the second sleeve and the upper base, and the second sleeve and the upper base are arranged between the fixing piece and the lower base.
The beneficial effect who adopts one step of technical scheme lies in, stop device adopts the mounting, through setting up the second sleeve between first sleeve and mounting, has avoided first sleeve and second telescopic axial relative movement.
The fixing piece is a first fixing piece, the first fixing piece is sleeved on the first sleeve, the first fixing piece is sleeved at one end, far away from the lower base, of the first sleeve, and the first fixing piece is in threaded connection with the first sleeve.
Or the fixing piece is a second fixing piece, and the second fixing piece is sleeved on the first sleeve; the outer wall of the first sleeve is provided with a bulge or a clamping groove, preferably an annular bulge or an annular clamping groove; the second fixing piece is located between the second sleeve and the protrusion or located in the clamping groove, and generally the second fixing piece is located between one end, far away from the lower base, of the second sleeve and the protrusion or located in the clamping groove.
The technical scheme has the advantages that the first fixing piece is in threaded connection with the first sleeve, the second sleeve is arranged between the first sleeve and the fixing piece or the second sleeve and the upper base are arranged between the first sleeve and the fixing piece, and the threaded connection can control and adjust the gap between the second sleeve and the first fixing piece as well as the gap between the second sleeve and the lower base, so that the axial relative movement of the first sleeve and the second sleeve is avoided, and the sliding friction force between the first sleeve and the first fixing piece as well as between the first sleeve and the lower base is controlled to be small;
or a bulge or a clamping groove is arranged on the outer wall of the first sleeve, preferably an annular bulge or an annular clamping groove, and the second sleeve or the second sleeve and the upper base are arranged between the bulge or the clamping groove and the lower base; through the second mounting be located the second sleeve with between the arch or in the draw-in groove, can adjust the clearance between second sleeve and first mounting and the lower base, will realize avoiding appearing first sleeve and second sleeve axial relative movement, it is little to control the sliding friction between first sleeve and first mounting and the lower base again simultaneously.
The second sleeve is connected with a first mounting seat; the first mounting seat is provided with a mounting part for mounting a handle, and the mounting surface of the mounting part is vertical to the central axis of the second sleeve; is more suitable for mounting a handle of a small agricultural machine;
a hemispherical mounting groove is formed in the mounting surface of the mounting part, and the diameter of the hemispherical mounting groove is 1-42 cm; preferably 20-42 cm; further preferably 3cm, 26cm, 32cm, 36 cm.
The technical scheme has the advantages that the first mounting seat is connected with the side wall of the second sleeve, various complicated mechanical parts can be connected with the second sleeve, the first sleeve or the lower base can be rotatably connected with the second sleeve, and the handle is particularly suitable for mounting various types of small agricultural machinery handles and rotating the small agricultural machinery handles.
The angle adjusting device comprises a sleeve and a plurality of fixing holes;
the sleeve is provided with a third through hole, and the plurality of fixing holes are positioned on the lower base; a fixing rod is arranged in the third through hole;
the third through hole rotates along with the sleeve relative to the lower base, so that the third through hole is opposite to different fixing holes; at the moment, the fixing rod penetrates through the third through hole and the fixing hole, so that the relative position of the sleeve and the lower base is fixed.
The technical scheme adopted in the previous step has the beneficial effects that the adjustment and fixation of different angles between the two mechanical parts can be realized through the angle adjusting device; the sleeve and the fixing hole on the lower base rotate relatively to realize angle adjustment, the third through hole is arranged relatively to the fixing hole after angle adjustment, and the fixing rod is placed in the third through hole on the sleeve to realize angle fixation.
The sleeve is connected with the upper base and/or the outer wall of the second sleeve; when the sleeve is connected with the upper base, the upper base is provided with a fourth through hole communicated with the third through hole; the central axis of the third through hole is vertical to the lower base.
The technical scheme adopted in the previous step has the beneficial effects that the sleeve is connected with the outer wall of the upper base and/or the second sleeve, so that the sleeve is rotatably connected with the lower base; meanwhile, the central axis of the third through hole is perpendicular to the lower base, so that the angle fixation after the angle adjustment is realized.
A groove is formed in the middle of the end face, close to the lower base, of the upper base and is not connected with the fourth through hole.
The beneficial effect of adopting one-step technical scheme lies in, is close to the terminal surface intermediate position of base down through last base and is equipped with the recess, has reduced the sliding friction power of last base when rotating with adjacent part promptly, has guaranteed the stability of going up the base again simultaneously, just the recess is not connected with fourth through hole, more is favorable to the dead lever passes third through-hole and fixed orifices, carries out the angle fixing.
The limiting device is a soft plastic wear-resistant alloy strip or a wear-resistant soft rubber strip, and the soft plastic wear-resistant alloy strip or the wear-resistant soft rubber strip is positioned in the annular groove;
an oil filling hole communicated with the second groove is formed in the second sleeve; the oil filling hole is provided with a fixed screwed plug or an oil filling nozzle screwed with the oil filling hole;
the top end of the first sleeve is provided with a nut, and the nut and the outer thread at the top end of the first sleeve are mutually screwed and fastened.
One aspect of the utility model provides a small agricultural machine, include the handle connecting seat.
Compared with the prior art, the utility model has the advantages that the handle connecting seat realizes the rotation connection of the small agricultural machinery handle and the small agricultural machinery working part, and simultaneously avoids the friction between the first sleeve and the second sleeve; the first sleeve is prevented from swinging radially relative to the second sleeve when the bearings are damaged due to the fact that the sleeves are connected through the bearings, and processing cost is saved; and realize the electric connection wire of the mechanical part that handle connecting seat both ends are connected and set up inside first sleeve, protect the wire, prevent to appear damaging at the during operation, improve its life.
Drawings
FIG. 1 is a schematic view of the structure of the handle connecting seat of the present invention;
fig. 2 is a schematic view of a structure of a handle connecting seat in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of the first sleeve, the second sleeve and the limiting device according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of the first sleeve, the second sleeve and the limiting device according to embodiment 2 of the present invention;
fig. 5 is a schematic structural view of the first sleeve, the second sleeve and the limiting device according to embodiment 3 of the present invention;
fig. 6 is a schematic structural view of the first sleeve, the second sleeve and the limiting device according to embodiment 4 of the present invention;
fig. 7 is a schematic structural view of the first sleeve, the second sleeve and the limiting device according to embodiment 5 of the present invention.
The reference numbers shown in the figures: 1. a first sleeve; 2. a second sleeve; 3. a lower base; 4. an upper base; 5. a first groove; 6. a second groove; 7. a limiting device; 8. A fixing hole; 9. a sleeve; 10. a third through hole; 11. a mounting surface; 12. A hemispherical mounting groove; 13. a second through hole; 14. a card slot; 15. an annular snap fastener; 16. an annular projection; 17. a threaded fastener; 18. and a nut.
Detailed Description
In order to better understand the technical solution of the present invention, the present invention is further described below with reference to the drawings and the specific embodiments.
Example 1:
the embodiment provides a novel handle connecting seat, which comprises a lower base 3, wherein the lower base 3 is connected with a first sleeve 1, and the lower base 3 is provided with a first through hole communicated with the first sleeve 1;
the device is characterized by further comprising an upper base 4, wherein the upper base 4 is connected with a second sleeve 2, and the upper base 4 is provided with a second through hole 13 communicated with the second sleeve 2; the second sleeve 2 is sleeved outside the first sleeve 1; the second sleeve 2 is rotatably connected with the first sleeve 1, namely the first sleeve 1 and the first sleeve 2 form a rotating shaft, and the middle of the rotating shaft is of a hollow structure; the upper base 4 and the lower base 3 can be connected with mechanical parts;
still include stop device, stop device is located between first sleeve 1 and the second sleeve 2, not be connected with first sleeve 1 and second sleeve 2, just stop device and the contact of 1 outer wall of first sleeve prevent that first sleeve 1 from taking place axial displacement for second sleeve 2.
A first groove 5 is formed in the outer wall of the first sleeve 1; a second groove 6 is formed in the inner wall of the second sleeve 2; the first groove 5 and the second groove 6 are arranged oppositely; the first groove 5 and the second groove 6 are annularly arranged on the sleeve wall along the radial direction, namely the first groove 5 and the second groove 6 are both annular grooves, and the cross sections of the first groove 5 and the second groove 6 are hemispheric; the first groove 5 and the second groove 6 are oppositely arranged to form a groove with a spherical cross section; the limiting device is a soft plastic wear-resistant alloy strip or a wear-resistant soft rubber strip, and the soft plastic wear-resistant alloy strip or the wear-resistant soft rubber strip is positioned in the annular groove;
an oil filling hole communicated with the second groove is formed in the second sleeve; and a fixed screwed plug or an oil filling nozzle screwed with the oil filling hole is arranged on the oil filling hole.
The second sleeve 2 is connected with a first mounting seat, the first mounting seat is provided with a mounting part for mounting a handle, and a mounting surface 11 of the mounting part is vertical to the central axis of the second sleeve 2;
and a hemispherical mounting groove 12 is formed in the mounting surface 11 of the mounting part, and the diameter of the hemispherical mounting groove 12 is 26 cm.
The angle adjusting device is further included and comprises a sleeve 9 and a plurality of fixing holes 8;
a third through hole 10 is formed in the sleeve 9, and the fixing holes 8 are located on the lower base 3; a fixing rod is arranged in the third through hole 10;
the sleeve 9 is connected with the upper base 4 and the outer wall of the second sleeve 2; the upper base 4 is provided with a fourth through hole communicated with the third through hole 10; the central axis of the third through hole 10 is perpendicular to the lower base.
The third through hole 10 rotates relative to the lower base 3 along with the sleeve 9, so that the third through hole 10 is opposite to different fixing holes 8; at this time, the fixing rod passes through the third through hole 10 and the fixing hole 8, so as to fix the relative position of the sleeve 9 and the lower base 3.
The angle adjusting device can adjust and fix different angles between the small agricultural machinery handle and the working part; realize angle adjustment through sleeve pipe 9 and the relative rotation of the fixed orifices 8 on the lower base 3, set up with fixed orifices 8 relatively through angle adjustment back third through-hole 10, and the third through-hole 10 on the sleeve pipe 9 places the dead lever and realizes the angle fixing.
And a groove is formed in the middle position of the end surface of the upper base 4 close to the lower base 3, and the groove is not connected with the fourth through hole.
Another aspect of this embodiment provides a small agricultural machine, includes the handle connecting seat.
Example 2:
the same parts of this embodiment as embodiment 1 will not be described again;
the second limiting device comprises a fixing piece, the fixing piece is a threaded fixing piece 17, the threaded fixing piece 17 is connected with the first sleeve 1, the distance between the threaded fixing piece 17 and the lower base 3 is not less than the sum of the lengths of the second sleeve 2 and the upper base 3, and the threaded fixing piece 17 is sleeved on the first sleeve 1 and is in threaded connection with the first sleeve 1.
The hemispherical mounting groove 12 has a diameter of 32 cm.
Example 3:
the same parts of this embodiment as embodiment 1 will not be described again;
the second limiting device comprises a fixing piece, the fixing piece is an annular buckle fixing piece 15, and the annular buckle fixing piece 15 is sleeved on the first sleeve 1; the outer wall of the first sleeve 1 is provided with an annular bulge 16; the annular snap fastener 15 is located between the end of the second sleeve 2 away from the lower base 3 and the annular protrusion 16.
The hemispherical mounting groove 12 has a diameter of 36 cm.
Example 4:
the same parts of this embodiment as embodiment 1 will not be described again;
the second limiting device comprises a fixing piece, the fixing piece is an annular buckle fixing piece 15, and the annular buckle fixing piece 15 is sleeved on the first sleeve 1; the outer wall of the first sleeve 1 is provided with a clamping groove 14, and the clamping groove 14 is an annular clamping groove; the annular snap fastener 15 is located in the snap groove.
Example 5:
the same parts of this embodiment as embodiment 1 will not be described again;
the second limiting device comprises a fixing piece, the fixing piece is a nut 18, and the nut 18 is sleeved on the first sleeve 1; the outer wall of the first sleeve 1 is provided with an outer thread and is screwed and fastened with the nut 18.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (2)
1. A novel handle connecting seat comprises a lower base, wherein the lower base is connected with a first sleeve, and is provided with a first through hole communicated with the first sleeve;
the upper base is connected with a second sleeve, and a second through hole communicated with the second sleeve is formed in the upper base;
the second sleeve is sleeved outside the first sleeve; the second sleeve is rotationally connected with the first sleeve;
the limiting device is positioned between the first sleeve and the second sleeve or at the end part of the second sleeve, and the limiting device is contacted with the outer wall of the first sleeve to prevent the first sleeve from generating axial displacement relative to the second sleeve;
a first groove is formed in the outer wall of the first sleeve; a second groove is formed in the inner wall of the second sleeve;
the first groove and the second groove are oppositely arranged;
the limiting device is positioned between the first groove and the second groove and is not connected with the first groove and the second groove;
the first groove and the second groove are both annular grooves, and the cross section of each annular groove is hemispherical;
the first groove and the second groove are oppositely arranged;
the limiting device is a second limiting device which comprises a fixing piece, the fixing piece is connected with the first sleeve, and the distance between the fixing piece and the lower base is not less than the length of the second sleeve;
the fixing piece is a first fixing piece, and the first fixing piece is sleeved on the first sleeve and is in threaded connection with the first sleeve; or the fixing piece is a second fixing piece, and the second fixing piece is sleeved on the first sleeve;
the outer wall of the first sleeve is provided with a bulge or a clamping groove, and the second fixing piece is positioned between the second sleeve and the bulge or positioned in the clamping groove;
the second sleeve is connected with a first mounting seat; the first mounting seat is provided with a mounting part for mounting a handle; a hemispherical mounting groove is formed in the mounting surface of the mounting part, and the diameter of the hemispherical mounting groove is 1-42 cm;
the angle adjusting device comprises a sleeve and a plurality of fixing holes; the sleeve is provided with a third through hole, and the plurality of fixing holes are positioned on the lower base; the third through hole rotates along with the sleeve relative to the lower base, so that the third through hole is opposite to different fixing holes;
the sleeve is connected with the upper base and/or the outer wall of the second sleeve; when the sleeve is connected with the upper base, the upper base is provided with a fourth through hole communicated with the third through hole;
a groove is formed in the middle of one end, close to the lower base, of the upper base;
the device is characterized in that the limiting device is a soft plastic wear-resistant alloy strip or a wear-resistant soft rubber strip, and the soft plastic wear-resistant alloy strip or the wear-resistant soft rubber strip is positioned in the annular groove;
an oil filling hole communicated with the second groove is formed in the second sleeve; the oil filling hole is provided with a fixed screwed plug or an oil filling nozzle screwed with the oil filling hole;
the top end of the first sleeve is provided with a nut, and the nut and the outer thread at the top end of the first sleeve are mutually screwed and fastened.
2. A small agricultural machine comprising the handle attachment base of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121381150.3U CN215171494U (en) | 2021-06-22 | 2021-06-22 | Novel handle connecting seat and small agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121381150.3U CN215171494U (en) | 2021-06-22 | 2021-06-22 | Novel handle connecting seat and small agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171494U true CN215171494U (en) | 2021-12-14 |
Family
ID=79385277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121381150.3U Active CN215171494U (en) | 2021-06-22 | 2021-06-22 | Novel handle connecting seat and small agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215171494U (en) |
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2021
- 2021-06-22 CN CN202121381150.3U patent/CN215171494U/en active Active
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