CN219726291U - Balance arm connecting mechanism - Google Patents
Balance arm connecting mechanism Download PDFInfo
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- CN219726291U CN219726291U CN202320842999.9U CN202320842999U CN219726291U CN 219726291 U CN219726291 U CN 219726291U CN 202320842999 U CN202320842999 U CN 202320842999U CN 219726291 U CN219726291 U CN 219726291U
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- guide sleeves
- rotating shaft
- transverse
- head
- central rotating
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- 238000010276 construction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The utility model relates to the technical field of counter force arms, in particular to a balance arm connecting mechanism, wherein two transverse connecting rods are horizontally arranged, so that the transverse torsion resistance is improved, the structure is simplified, and the volume and the weight of the mechanism are reduced; the device comprises a central rotating shaft and two transverse connecting rods, wherein the central rotating shaft slides up and down along an upright post of a balance arm, and the two transverse connecting rods are perpendicular to the sliding direction of the central rotating shaft; the device comprises a central rotating shaft, and is characterized by further comprising two guide sleeves, a tail connecting block and a head connecting block, wherein the two guide sleeves are respectively and horizontally arranged on the left side wall and the right side wall of the central rotating shaft, the two guide sleeves are positioned on the same horizontal plane, the middle parts of the two transverse connecting rods are respectively and slidably connected with the two guide sleeves, the tail connecting block is arranged at the rear ends of the two guide sleeves, and the head connecting block is arranged at the front ends of the two guide sleeves.
Description
Technical Field
The utility model relates to the technical field of counter force arms, in particular to a balance arm connecting mechanism.
Background
The balance arm is a mechanical device which lifts the horizontal mechanical arm to a state of balance with the gravity of the horizontal mechanical arm through the balancer, so that the mechanical arm can move up and down conveniently and is similar to a gravity-free state. In the assembly work, the balance arm is generally composed of a column, a central rotating shaft sliding up and down along the column and rotating, and a balancer for drawing the central bearing to balance gravity, and a counter-force arm for mounting a mechanical wrench or a mechanical screwdriver is usually mounted on the balance arm. In the prior art, the counter force arm is often connected with the central rotating shaft of the balance arm through a horizontal mounting plate, the counter force arm is usually connected with the mounting plate in a left-right sliding mode, and the counter force arm is usually arranged into two transverse connecting rods which are arranged up and down, for example, a gravity-free linear counter force arm proposed by application number CN201520320235.9 and a counter force arm proposed by application number CN 201820663668.8.
The transverse connecting rods arranged up and down have higher torsion resistance in the vertical direction, but in actual work, the workpieces are mostly horizontally arranged on an assembly line, and screws are usually arranged vertically, so that a mechanical wrench or a mechanical screwdriver is subjected to more transverse torsion, and therefore the transverse torsion resistance of the transverse connecting rods arranged up and down is insufficient, the torsion of a reaction arm is avoided, and the size of the mounting plate is larger, so that the structural weight of the device is not facilitated to be reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the balance arm connecting mechanism which is provided with the two transverse connecting rods (2) horizontally arranged, increases the transverse torsion resistance, simplifies the structure and reduces the volume and the weight of the mechanism.
The balance arm connecting mechanism comprises a central rotating shaft and two transverse connecting rods, wherein the central rotating shaft slides up and down along an upright post of the balance arm, and the two transverse connecting rods are perpendicular to the sliding direction of the central rotating shaft; the device comprises a central rotating shaft, a left rotating shaft, a right rotating shaft, two transverse connecting rods, two guide sleeves, a tail connecting block and a head connecting block, wherein the two guide sleeves are respectively horizontally arranged on the left side wall and the right side wall of the central rotating shaft, the two guide sleeves are positioned on the same horizontal plane, the middle parts of the two transverse connecting rods are respectively connected with the two guide sleeves in a sliding manner, the tail connecting block is arranged at the rear ends of the two guide sleeves, and the head connecting block is arranged at the front ends of the two guide sleeves; afterbody connecting block, head connecting block and two transverse connection poles constitute stable frame construction, slide from top to bottom along the stand of balance arm with during operation center pivot to drive two transverse connection poles through two uide bushing and reciprocate, reciprocate two transverse connection poles along two uide bushing, make the head connecting block stretch out or withdraw, compare with current balance arm coupling mechanism, two transverse connection poles level are horizontal and lie in the left and right sides of center pivot respectively, make two transverse connection pole interval increase, increase transverse rigidity, increase transverse torsion resistance, avoid counter-force arm distortion, the mounting panel has been cancelled, simplify the structure, the volume weight of mechanism is alleviateed.
Preferably, the device further comprises two tail limiting blocks and two head limiting blocks, wherein the two tail limiting blocks are respectively arranged at the rear ends of the two transverse connecting rods, the two tail limiting blocks are positioned between the central rotating shaft and the tail connecting blocks, the two head limiting blocks are respectively arranged at the front ends of the two transverse connecting rods, the two head limiting blocks are positioned between the central rotating shaft and the head connecting blocks, and buffer cushions are respectively arranged at one sides of the two tail limiting blocks and one side of the two head limiting blocks, which faces the central rotating shaft; the rear parts of the two transverse connecting rods are limited by the two tail limiting blocks, the front parts of the two transverse connecting rods are limited by the two head limiting blocks, and collision of the tail connecting blocks and the head connecting blocks with the two guide sleeves is avoided through the buffer pads on the two tail limiting blocks and the two head limiting blocks, so that the safety of the structure is improved.
Preferably, the device further comprises a chuck and an adjusting screw, wherein the chuck is arranged on the head connecting block, the chuck is provided with an opening for clamping a tool, and the chuck is provided with the adjusting screw for adjusting the size of the opening; the tool is conveniently held by the clamping head, the opening size of the clamping head can be adjusted by the adjusting screw, so that tools with different specifications can be conveniently clamped, and the practicability is high.
Preferably, the device further comprises a plurality of through holes, grooves matched with the guide sleeves are formed in the left side wall and the right side wall of the central rotating shaft, a plurality of threaded holes are formed in the grooves, a plurality of through holes are formed in the two guide sleeves, and a plurality of bolts penetrate through the plurality of through holes of the two guide sleeves respectively and are in threaded connection with the threaded holes of the central rotating shaft; through the setting, the two guide sleeves are conveniently positioned horizontally, and the installation and the disassembly are convenient.
Preferably, the device further comprises a plurality of linear bearings, wherein the linear bearings are arranged in the front end and the rear end of the two guide sleeves, and the two transverse connecting rods are respectively connected with the plurality of linear bearings in a sliding manner; through setting up a plurality of linear bearings and two transverse connection poles cooperation, realize two transverse connection poles at the front and back direction automatic motion, the operation is light laborsaving.
Preferably, the two transverse connecting rods are subjected to hardening treatment; the hardened two transverse connecting rods can improve the strength and stability of the whole structure and reduce faults.
Compared with the prior art, the utility model has the beneficial effects that: afterbody connecting block, head connecting block and two transverse connection poles constitute stable frame construction, slide from top to bottom along the stand of balance arm with during operation center pivot to drive two transverse connection poles through two uide bushing and reciprocate, reciprocate two transverse connection poles along two uide bushing, make the head connecting block stretch out or withdraw, compare with current balance arm coupling mechanism, two transverse connection poles level are horizontal and lie in the left and right sides of center pivot respectively, make two transverse connection pole interval increase, increase transverse rigidity, increase transverse torsion resistance, avoid counter-force arm distortion, the mounting panel has been cancelled, simplify the structure, the volume weight of mechanism is alleviateed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side elevational view of the present utility model;
FIG. 3 is a schematic view of the A-A cross-sectional structure of the present utility model;
the reference numerals in the drawings: 1. a central spindle; 2. a transverse connecting rod; 3. a guide sleeve; 4. a tail connecting block; 5. a head connecting block; 6. a tail limiting block; 7. a head limiting block; 8. a chuck; 9. adjusting a screw; 10. a through hole; 11. a linear bearing.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Examples
As shown in fig. 1 to 3, the balance arm connecting mechanism comprises a central rotating shaft 1 and two transverse connecting rods 2, wherein the central rotating shaft 1 slides up and down along the upright post of the balance arm, and the two transverse connecting rods 2 are perpendicular to the sliding direction of the central rotating shaft 1; the two guide sleeves 3 are respectively and horizontally arranged on the left side wall and the right side wall of the central rotating shaft 1, the two guide sleeves 3 are positioned on the same horizontal plane, the middle parts of the two transverse connecting rods 2 are respectively and slidably connected with the two guide sleeves 3, the tail connecting block 4 is arranged at the rear ends of the two guide sleeves 3, and the head connecting block 5 is arranged at the front ends of the two guide sleeves 3; the two tail limiting blocks 6 are respectively arranged at the rear ends of the two transverse connecting rods 2, the two tail limiting blocks 6 are positioned between the central rotating shaft 1 and the tail connecting blocks 4, the two head limiting blocks 7 are respectively arranged at the front ends of the two transverse connecting rods 2, the two head limiting blocks 7 are positioned between the central rotating shaft 1 and the head connecting blocks 5, and buffer cushions are respectively arranged at one sides of the two tail limiting blocks 6 and the two head limiting blocks 7, which face the central rotating shaft 1; the clamping head 8 is arranged on the head connecting block 5, the clamping head 8 is provided with an opening for clamping a tool, and the clamping head 8 is provided with an adjusting screw 9 for adjusting the size of the opening; the two transverse connecting rods 2 are respectively connected with the plurality of linear bearings 11 in a sliding way;
afterbody connecting block 4, head connecting block 5 and two transverse connection bars 2 constitute stable frame construction, slide about the stand of balanced arm with during operation center pivot 1, thereby drive two transverse connection bars 2 through two uide bushing 3 and reciprocate, remove two transverse connection bars 2 along two uide bushing 3 back and forth, make head connecting block 5 stretch out or withdraw, compare with current balanced arm coupling mechanism, two transverse connection bars 2 horizontal and lie in the left and right sides of center pivot 1 respectively, make two transverse connection bars 2 interval increase, increase transverse rigidity, increase transverse torsion resistance, avoid counter-force arm distortion, the mounting panel has been cancelled, simplify the structure, alleviate the volumetric weight of mechanism, two afterbody stopper 6 carry out spacingly to the rear portion of two transverse connection bars 2, two head stopper 7 carry out spacingly to the front portion of two transverse connection bars 2, cushion on through two afterbody stopper 6 and two head stopper 7 avoid afterbody connecting block 4 and head connecting block 5 to collide with two uide bushing 3, improve the security of structure, through chuck 8 convenient dress instrument, can two high and small and large and small, thereby realize the high and small and practical instrument through adjusting 9, the high and convenient and easy to operate at two transverse connection bars 2, the front and the practical tool is convenient to realize the high and practical and easy to move at 11.
As shown in fig. 1 to 3, when the balance arm connecting mechanism of the utility model works, firstly, the tail connecting block 4, the head connecting block 5 and the two transverse connecting rods 2 form a stable frame structure, the adjusting screw 9 is rotated to adjust the opening size of the clamping head 8, tools are loaded into the opening of the clamping head 8, then the positions of the two tail limiting blocks 6 and the two head limiting blocks 7 are adjusted, and then the central rotating shaft 1 slides up and down along the upright post of the balance arm during working, so that the two transverse connecting rods 2 are driven to move up and down through the two guide sleeves 3, the two transverse connecting rods 2 are moved back and forth along the two guide sleeves 3, and finally, the head connecting block 5 is extended or retracted.
The main functions realized by the utility model are as follows:
1. the mounting plate is omitted, the structure is simplified, and the volume and weight of the mechanism are reduced;
2. the two transverse connecting rods 2 are horizontally arranged and are respectively positioned at the left side and the right side of the central rotating shaft 1, so that the distance between the two transverse connecting rods 2 is increased, the transverse rigidity is increased, and the transverse torsion resistance is improved;
3. the transverse connecting rod 2 has high hardening stability and reduces faults.
The balance arm connecting mechanism is a common mechanical mode in the installation mode, the connection mode or the setting mode, and can be implemented as long as the beneficial effects can be achieved; the center rotating shaft 1, the transverse connecting rod 2, the clamping head 8, the adjusting screw 9 and the linear bearing 11 of the balance arm connecting mechanism are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached using instruction without creative labor of the person skilled in the art.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (6)
1. The balance arm connecting mechanism comprises a central rotating shaft (1) and two transverse connecting rods (2), wherein the central rotating shaft (1) slides up and down along an upright post of the balance arm, and the two transverse connecting rods (2) are perpendicular to the sliding direction of the central rotating shaft (1); the novel horizontal rotary shaft is characterized by further comprising two guide sleeves (3), a tail connecting block (4) and a head connecting block (5), wherein the two guide sleeves (3) are respectively and horizontally arranged on the left side wall and the right side wall of the central rotary shaft (1), the two guide sleeves (3) are positioned on the same horizontal plane, the middle parts of the two transverse connecting rods (2) are respectively and slidably connected with the two guide sleeves (3), the tail connecting block (4) is arranged at the rear ends of the two guide sleeves (3), and the head connecting block (5) is arranged at the front ends of the two guide sleeves (3).
2. The balance arm connecting mechanism according to claim 1, further comprising two tail limiting blocks (6) and two head limiting blocks (7), wherein the two tail limiting blocks (6) are respectively arranged at the rear ends of the two transverse connecting rods (2), the two tail limiting blocks (6) are positioned between the central rotating shaft (1) and the tail connecting blocks (4), the two head limiting blocks (7) are respectively arranged at the front ends of the two transverse connecting rods (2), the two head limiting blocks (7) are positioned between the central rotating shaft (1) and the head connecting blocks (5), and buffer cushions are respectively arranged at one sides of the two tail limiting blocks (6) and the two head limiting blocks (7) facing the central rotating shaft (1).
3. The balance arm connecting mechanism according to claim 1, further comprising a collet (8) and an adjusting screw (9), wherein the collet (8) is mounted on the head connecting block (5), the collet (8) is provided with an opening for clamping a tool, and the collet (8) is provided with the adjusting screw (9) for adjusting the size of the opening.
4. The balance arm connecting mechanism according to claim 1, further comprising a plurality of through holes (10), wherein grooves matched with the guide sleeves (3) are formed in the left side wall and the right side wall of the center rotating shaft (1), a plurality of threaded holes are formed in the grooves, a plurality of through holes (10) are formed in the two guide sleeves (3), and a plurality of bolts penetrate through the plurality of through holes (10) of the two guide sleeves (3) respectively and are in threaded connection with the threaded holes of the center rotating shaft (1).
5. The balance arm connecting mechanism according to claim 1, further comprising a plurality of linear bearings (11), wherein the linear bearings (11) are mounted in the front and rear ends of the two guide sleeves (3), and the two transverse connecting rods (2) are slidably connected with the plurality of linear bearings (11), respectively.
6. The balance arm connecting mechanism according to claim 1, characterized in that the two transverse connecting rods (2) are hardened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320842999.9U CN219726291U (en) | 2023-04-14 | 2023-04-14 | Balance arm connecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320842999.9U CN219726291U (en) | 2023-04-14 | 2023-04-14 | Balance arm connecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219726291U true CN219726291U (en) | 2023-09-22 |
Family
ID=88031896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320842999.9U Active CN219726291U (en) | 2023-04-14 | 2023-04-14 | Balance arm connecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219726291U (en) |
-
2023
- 2023-04-14 CN CN202320842999.9U patent/CN219726291U/en active Active
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