CN213450143U - Support arm with adjustable mechanical positioning force - Google Patents
Support arm with adjustable mechanical positioning force Download PDFInfo
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- CN213450143U CN213450143U CN202021947575.1U CN202021947575U CN213450143U CN 213450143 U CN213450143 U CN 213450143U CN 202021947575 U CN202021947575 U CN 202021947575U CN 213450143 U CN213450143 U CN 213450143U
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- support arm
- positioning
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- pulley
- adjustable
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Abstract
The utility model discloses a support arm with adjustable mechanical positioning power, including support arm, cam, pulley, accent power device and locating plate, the cam is connected with the support arm through the pivot, is equipped with the draw-in groove on the cam, one side and the cam looks butt of pulley, opposite side and accent power device looks butt, and on the locating plate was located to the accent power device, the top of support arm was located to the locating plate. The clamping groove is formed in the cam, so that when the cam is driven to rotate by the support arm, the cam is positioned through the matching of the clamping groove and the pulley, namely the support arm is positioned; the force adjusting device is arranged, and acting force acting on the pulley can be adjusted, so that acting force between the pulley and a clamping groove of the cam is adjusted, adjustment of positioning force is achieved, and different use requirements are met.
Description
Technical Field
The utility model belongs to a door and window installation support arm especially relates to a support arm with adjustable mechanical positioning power.
Background
The support arm for door and window is one device to convert the torsion of other devices into push-pull force. The mechanical performance is divided into two designs of a positioning support arm and a non-positioning support arm. When the non-positioning support arm is used, the force transmission is completed once in the force conversion process, the middle stop cannot be realized in the whole process, and the positioning of the support arm cannot be realized. When the positioning support arm is used, the positioning block can be adjusted to stay at a certain angle in the force conversion process; but the positioning force cannot be changed, and the whole device is required to be replaced if the force needs to be changed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can solve at least one of the above-mentioned problem support arm with adjustable mechanical positioning power.
According to the utility model discloses an aspect provides a support arm with adjustable mechanical positioning power, including support arm, cam, pulley, accent power device and locating plate, the cam is connected with the support arm through the pivot, is equipped with the draw-in groove on the cam, one side and the cam looks butt of pulley, opposite side and accent power device looks butt, on the locating plate was located to the accent power device, the top of support arm was located to the locating plate.
The utility model has the advantages that: the clamping groove is formed in the cam, so that when the cam is driven to rotate by the support arm, the cam is positioned through the matching of the clamping groove and the pulley, namely the support arm is positioned; the force adjusting device is arranged, and acting force acting on the pulley can be adjusted, so that acting force between the pulley and a clamping groove of the cam is adjusted, adjustment of positioning force is achieved, and different use requirements are met.
In some embodiments, the arm with adjustable mechanical positioning force further comprises a positioning sleeve and a pulley seat, the positioning sleeve is fixed on the positioning plate, the force adjusting device is matched with the positioning sleeve, the pulley seat is sleeved on one side of the positioning sleeve, and the pulley is arranged on the pulley seat. Therefore, the force adjusting device is convenient to mount due to the positioning sleeve; the pulley seat is arranged, so that the installation of the pulley can be facilitated.
In some embodiments, the force adjusting device includes a spring, a screw rod, a worm wheel and a worm, one end of the screw rod is sleeved in the positioning sleeve and abuts against the end surface of the pulley seat, the other end of the screw rod extends out of the positioning sleeve, the spring is sleeved on the screw rod, the worm wheel is sleeved on the other end of the screw rod, and the worm is arranged on the positioning plate and meshed with the worm wheel. Therefore, the compression degree of the spring can be controlled by acting on the spring through adjustment of the worm gear and the worm, and the force of the spring can be conveniently adjusted.
In some embodiments, the mechanical positioning force adjustable arm further includes a fixing seat, the fixing seat is disposed on the positioning plate, and the other end of the screw rod is located in the fixing seat. Therefore, the worm wheel is ensured to be always installed on the screw rod by the aid of the fixing seat.
In some embodiments, a mechanical detent force adjustable arm further includes an arm sleeve and an adjustable arm, the arm sleeve having one end connected to the detent plate and the other end connected to the adjustable arm. Therefore, the installation of the whole door frame or window frame and other structures can be facilitated through the adjustable support arm.
In some embodiments, the arm sleeve is provided with a sliding groove, and the adjustable arm is fixed on the sliding groove through a screw. Therefore, the mounting position of the adjustable support arm can be correspondingly moved along the sliding groove by arranging the sliding groove, so that the adjustment and the mounting of the adjustable support arm are facilitated.
Drawings
Fig. 1 is a schematic diagram of a longitudinal cross-section structure of a mechanical positioning force adjustable support arm according to the present invention.
Fig. 2 is a schematic diagram of a transverse cross-section structure of a mechanical positioning force adjustable support arm according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Refer to fig. 1 and 2. The utility model provides a support arm with adjustable mechanical positioning power, includes support arm 1, cam 2, pulley 3, transfers power device 4 and locating plate 5, and cam 2 is connected with support arm 1 through the pivot, is equipped with draw-in groove 21 on the cam 2, and one side and the 2 looks butt of cam of pulley 3, opposite side and transfer power device 4 looks butt, transfer power device 4 to locate on locating plate 5, and locating plate 5 locates the top of support arm 1.
The utility model discloses a support arm with adjustable mechanical positioning power is when using, and support arm 1 installs on door leaf or casement, and the exogenic action is on casement or door leaf, then drives support arm 1 and communicates cam 2 and rotate. When the clamping groove 21 on the cam 2 rotates to the position of the pulley 3, one side of the pulley 3 is clamped into the clamping groove 21, the cam 2 is positioned, the cam 2 is prevented from further rotating, meanwhile, the support arm 1 is prevented from continuously rotating, and the support arm 1 is positioned. In the actual use process, different angle positioning of the support arm 1 can be realized by adjusting the opening position of the clamping groove 21 on the cam 2, namely, different angle positioning of a door or a window is realized.
The supporting arm with the adjustable mechanical positioning force further comprises a positioning sleeve 6 and a pulley seat 7, the positioning sleeve 6 is fixed on the positioning plate 5, the force adjusting device 4 is matched with the positioning sleeve 6, the pulley seat 7 is sleeved on one side of the positioning sleeve 6, and the pulley 3 is arranged on the pulley seat 7. In order to facilitate the installation of the positioning sleeve 6 on the positioning plate 5, two through holes are formed in the positioning plate 5, and two protrusions are formed at the bottom of the positioning sleeve 6 and inserted into the corresponding two through holes in the positioning plate 5 through the protrusions.
The force adjusting device 4 comprises a spring 41, a screw rod 42, a worm wheel 43 and a worm 44, one end of the screw rod 42 is sleeved in the positioning sleeve 6 and is abutted against the end face of the pulley seat 7, the other end of the screw rod extends out of the positioning sleeve 6, the spring 41 is sleeved on the screw rod 42, the worm wheel 43 is sleeved on the other end of the screw rod 42, the worm 44 is arranged on the positioning plate 5 and is meshed with the worm wheel 43, and the worm wheel 43 is matched with the screw rod 42 through threads. In the actual mounting process, one end of the spring 41 abuts against the end surface of the pulley holder 7, and the other end abuts against the end surface of the worm wheel 43. When the degree of compression of the spring 41 is adjusted, the worm wheel 43 engaged therewith is rotated by rotating the worm 44, so that the worm wheel 43 moves along the screw rod 42. The moving direction of the worm wheel 43 is controlled by controlling the rotating direction of the worm 44, so that the worm wheel 43 is conveniently controlled to move towards one side of the spring 41 or move towards one side far away from the spring 41, the compression degree of the spring 41 is conveniently controlled, the acting force of the spring 41 acting on the pulley seat 7 is further controlled, namely the acting force between the pulley and the clamping groove 21 on the cam 2 is controlled, and the adjustment of the positioning force of the support arm 1 is realized.
The utility model provides a support arm with adjustable mechanical positioning power still includes fixing base 8, and on locating plate 5 was located to fixing base 8, the other end of screw rod 42 was located fixing base 8. Through being equipped with fixing base 8, can make things convenient for screw rod 42 to keep the horizontality, guarantee the normal cooperation of worm wheel and worm, and can guarantee that the worm wheel overlaps all the time and establish on screw rod 42.
The support arm with the adjustable mechanical positioning force further comprises a support arm sleeve 9 and an adjustable support arm 10, wherein one end of the support arm sleeve 9 is connected with the positioning plate 5, and the other end of the support arm sleeve is connected with the adjustable support arm 10.
The support arm sleeve 9 is provided with a sliding groove 91, and the adjustable support arm 10 is fixed on the sliding groove 91 through a screw. Therefore, in the actual use process, the screw can lock the adjustable support arm 10 at different positions of the chute 91, so that the mounting position of the adjustable support arm 10 is adjusted, the adjustable support arm 10 is convenient to mount at a corresponding position, and the use is convenient.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these all fall into the protection scope of the present invention.
Claims (6)
1. The utility model provides a support arm with adjustable mechanical positioning power, its characterized in that, includes support arm (1), cam (2), pulley (3), accent power device (4) and locating plate (5), cam (2) are connected with support arm (1) through the pivot, be equipped with draw-in groove (21) on cam (2), one side and cam (2) looks butt of pulley (3), the opposite side with transfer power device (4) looks butt, transfer power device (4) and locate on locating plate (5), the top of support arm (1) is located in locating plate (5).
2. The supporting arm with the adjustable mechanical positioning force according to claim 1, further comprising a positioning sleeve (6) and a pulley seat (7), wherein the positioning sleeve (6) is fixed on the positioning plate (5), the force adjusting device (4) is matched with the positioning sleeve (6), the pulley seat (7) is sleeved on one side of the positioning sleeve (6), and the pulley (3) is arranged on the pulley seat (7).
3. The support arm with the adjustable mechanical positioning force according to claim 2, wherein the force adjusting device (4) comprises a spring (41), a screw rod (42), a worm wheel (43) and a worm (44), one end of the screw rod (42) is sleeved in the positioning sleeve (6) and abuts against the end surface of the pulley seat (7), the other end of the screw rod extends out of the positioning sleeve (6), the spring (41) is sleeved on the screw rod (42), the worm wheel (43) is sleeved on the other end of the screw rod (42), and the worm (44) is arranged on the positioning plate (5) and meshed with the worm wheel (43).
4. A mechanical positioning force adjustable support arm according to claim 3, further comprising a fixing seat (8), wherein the fixing seat (8) is disposed on the positioning plate (5), and the other end of the screw rod (42) is located in the fixing seat (8).
5. A support arm with adjustable mechanical positioning force as claimed in any one of claims 1 to 4, characterized by further comprising a support arm sleeve (9) and an adjustable support arm (10), wherein one end of the support arm sleeve (9) is connected with the positioning plate (5), and the other end is connected with the adjustable support arm (10).
6. A mechanical positioning force adjustable arm according to claim 5, characterized in that the arm sleeve (9) is provided with a sliding groove (91), and the adjustable arm (10) is fixed on the sliding groove (91) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947575.1U CN213450143U (en) | 2020-09-08 | 2020-09-08 | Support arm with adjustable mechanical positioning force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947575.1U CN213450143U (en) | 2020-09-08 | 2020-09-08 | Support arm with adjustable mechanical positioning force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213450143U true CN213450143U (en) | 2021-06-15 |
Family
ID=76321953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021947575.1U Active CN213450143U (en) | 2020-09-08 | 2020-09-08 | Support arm with adjustable mechanical positioning force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213450143U (en) |
-
2020
- 2020-09-08 CN CN202021947575.1U patent/CN213450143U/en active Active
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