CN217203188U - Adjusting device of ball connecting rod - Google Patents
Adjusting device of ball connecting rod Download PDFInfo
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- CN217203188U CN217203188U CN202221084621.9U CN202221084621U CN217203188U CN 217203188 U CN217203188 U CN 217203188U CN 202221084621 U CN202221084621 U CN 202221084621U CN 217203188 U CN217203188 U CN 217203188U
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Abstract
The utility model provides an adjusting device of ball connecting rod belongs to sewing machine technical field. It has solved the inconvenient scheduling problem of adjustment operation of current ball connecting rod angle and centre-to-centre spacing. This adjusting device of ball connecting rod, the ball connecting rod includes left ball seat, right ball seat and connecting rod, the adjusting device of ball connecting rod includes the support, install the left fixing base that is used for fixed left ball seat on the support and be used for the right fixing base of fixed right ball seat, the left locating surface that the side location that supplies left ball seat pasted has on the left fixing base, the right locating surface that the side location that supplies right ball seat pasted has on the fixing base of the right side, left locating surface deflects for right locating surface in the front and back direction, the adjustment interval that supplies the connecting rod to put into has between left fixing base and the right fixing base, left side fixing base and right fixing base can be relative slip in the left and right directions. Compared with the condition that no tool is used at present, when the adjusting device is used for assembling the ball connecting rod on site, the adjusting operation of the angle and the center distance of the ball connecting rod can be convenient.
Description
Technical Field
The utility model belongs to the technical field of sewing machine, a adjusting device of ball connecting rod is related to.
Background
The sewing machine is a machine for sewing materials by sewing threads, and comprises a needle rod mechanism, a thread take-up mechanism, a feeding mechanism, a thread hooking mechanism, a pressing mechanism, a winding device, a lubricating device and the like. In these motion mechanisms, in order to achieve the transmission of motion and the conversion of direction, a ball link with a ball joint is provided.
As shown in fig. 1, the ball linkage 1 includes a left ball seat 101, a right ball seat 102, and a connecting rod 109. The left ball seat 101 is provided with a left mounting hole 107, and a left ball pin 103 is mounted in the left mounting hole 107. The right ball seat 102 is provided with a right mounting hole 108, and the right ball pin 104 is installed in the right mounting hole 108. Both ends of the connecting rod 109 are inserted into the left ball seat 101 and the right ball seat 102, respectively, and are threadedly coupled, and the axis of the left mounting hole 107 and the axis of the right mounting hole 108 are perpendicular to the connecting rod 109. The turning directions of the threads at the two ends of the connecting rod 109 are opposite, the two ends of the connecting rod 109 are respectively in threaded connection with a left nut and a right nut, and the left nut and the right nut respectively abut against the left ball seat 101 and the right ball seat 102 to enable the left ball seat 101 and the right ball seat 102 to be locked on the connecting rod 109. Two opposite side surfaces of the left ball seat 101 are perpendicular to the axis of the left mounting hole 107, the head part of the left ball pin 103 is rotatably embedded in the left mounting hole 107, and the rod part of the left ball pin 103 extends out of one side surface of the left ball seat 101. Two opposite side surfaces of the right ball seat 102 are perpendicular to the axis of the right mounting hole 108, the spherical head portion of the right ball pin 104 is rotatably embedded in the right mounting hole 108, the auxiliary rod portion of the right ball pin 104 and the rod portion of the right ball pin 104 are coaxially arranged and face opposite, and the auxiliary rod portion of the right ball pin 104 and the rod portion of the right ball pin 104 respectively extend out of two side surfaces of the right ball seat 102.
When the ball link 1 is transported to the sewing machine assembly shop, the left ball seat 101, the right ball seat 102, and the connecting rod 109 are in the disassembled state. When the ball connecting rod 1 is installed in the sewing machine, it is necessary to assemble the ball connecting rod 1 and adjust the relative angle between the left ball seat 101 and the right ball seat 102 [ i.e., the angle of deflection of the axis of the left mounting hole 107 with respect to the axis of the right mounting hole 108 ], and the center distance between the left ball seat 101 and the right ball seat 102 [ i.e., the distance between the axis of the left mounting hole 107 and the axis of the right mounting hole 108 ]. The relative angle between the left ball seat 101 and the right ball seat 102 of the ball connecting rod 1 is simply referred to as the angle of the ball connecting rod 1, and the center distance between the left ball seat 101 and the right ball seat 102 of the ball connecting rod 1 is simply referred to as the center distance of the ball connecting rod 1. At present, when the ball link 1 is assembled on site in the assembly workshop of the sewing machine, the assembly worker firstly connects the left ball seat 101 and the right ball seat 102 to the connecting rod 109, and then adjusts the angle and the center distance of the ball link 1 by rotating the left ball seat 101 or the right ball seat 102. The adjustment of the angle and the center distance of the ball connecting rod 1 is not suitable for tools, the adjustment is carried out by the working experience of an assembler, the adjustment operation of the angle of the ball connecting rod 1 is to rotate the left ball seat 101 or the right ball seat 102, the adjustment operation of the center distance of the ball connecting rod 1 is to rotate the left ball seat 101 or the right ball seat 102, the angle of the ball connecting rod 1 is not moved when the center distance of the ball connecting rod 1 is adjusted, the center distance of the ball connecting rod 1 is not moved after the angle of the ball connecting rod 1 is adjusted, and therefore the difficulty in the adjustment operation of the angle and the center distance of the ball connecting rod 1 is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that prior art exists, provide an adjusting device of ball connecting rod, the technical problem of solution: how to make the adjustment operation of the angle and the center distance of the ball connecting rod convenient in the assembly field of the sewing machine.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides an adjusting device of ball connecting rod, ball connecting rod include left ball seat, right ball seat and connecting rod, and adjusting device of ball connecting rod includes the support, its characterized in that, install the left fixing base that is used for fixed left ball seat and be used for the right fixing base of fixed right ball seat on the support, the left locating surface that the side location that supplies left ball seat pasted has on the fixing base of a left side, the right locating surface that the side location that supplies right ball seat pasted has on the fixing base of the right side, left side locating surface deflects for right locating surface on the front and back direction, the adjustment interval that supplies the connecting rod to put into has between left side fixing base and the right fixing base, left side fixing base and right fixing base can be relative slip in the left and right directions.
When the adjusting device of the ball connecting rod is designed, the deflection angle of the left positioning surface relative to the right positioning surface in the front-back direction is the angle of the ball connecting rod, namely the deflection angle of the axis of the left mounting hole relative to the axis of the right mounting hole. When the adjusting device is used for assembling the ball connecting rod on site, firstly, the left ball seat is fixed on the left fixing seat, wherein the end part of the left ball seat connected with the connecting rod faces the right fixing seat, and the side surface of the left ball seat is positioned and abutted against the left positioning surface of the left fixing seat; and the right ball seat is fixed on the right fixing seat, the end part of the right ball seat connected with the connecting rod faces towards the left fixing seat, and the side surface of the right ball seat is positioned and attached to the right positioning surface of the right fixing seat. Because the left locating surface deflects in the front-rear direction relative to the right locating surface, the left ball seat is fixed on the left fixing seat and the right ball seat is fixed on the right fixing seat, the left ball seat deflects in the front-rear direction relative to the right ball seat, and the deflection angle is the required ball connecting rod angle. Then, the left nut and the right nut are respectively in threaded connection with two ends of the connecting rod, and the connecting rod is placed between the left fixing seat and the right fixing seat due to the existence of the adjusting interval. Then, insert the both ends of connecting rod respectively in left ball seat and the right ball seat and rotate, because can be in the relative slip of left and right direction between left fixing base and the right fixing base, the screw thread turning at connecting rod both ends is opposite, and along with the rotation of connecting rod, left ball seat and right ball seat are close to each other until the centre-to-centre spacing between left ball seat and the right ball seat be required ball connecting rod centre-to-centre spacing. And finally, screwing the left nut and the right nut and respectively abutting against the left ball seat and the right ball seat to complete the assembly of the ball connecting rod, and completing the adjustment of the angle and the center distance of the ball connecting rod in the assembly process. Therefore, compared with the condition that no tool is used at present, when the adjusting device is used for assembling the ball connecting rod on site, the adjusting operation of the angle and the center distance of the ball connecting rod can be convenient.
In the adjusting device of the ball connecting rod, a left insertion hole for inserting a left ball pin on the left ball seat is formed in the left positioning surface, the left insertion hole is perpendicular to the left positioning surface, a right insertion hole for inserting a right ball pin on the right ball seat is formed in the right positioning surface, and the right insertion hole is perpendicular to the right positioning surface.
When the rod part of the left ball pin and the rod part of the right ball pin are positioned on the same side, the left insertion hole is used for inserting the rod part of the left ball pin, and the right insertion hole is used for inserting the rod part of the right ball pin; when the rod part of the left ball pin and the auxiliary rod part of the right ball pin are positioned on the same side, the left insertion hole is used for inserting the rod part of the left ball pin, and the right insertion hole is used for inserting the auxiliary rod part of the right ball pin. Left side jack and right jack have dodge with limiting displacement, guarantee that the side of left ball seat pastes and leans on left locating surface and make things convenient for left ball seat to carry out radially spacingly through the pole portion of left ball round pin, guarantee that the side of right ball seat pastes and leans on right locating surface and make things convenient for right ball seat to carry out radially spacingly through pole portion or vice pole portion of right ball round pin to make things convenient for the adjustment of ball pull rod angle and centre-to-centre spacing.
In the adjusting device of the ball connecting rod, a first scale mark which passes through the axis of the left jack is arranged on the left positioning surface, a second scale mark which passes through the axis of the right jack is arranged on the right positioning surface, the first scale mark is parallel to the second scale mark, a graduated scale is arranged on the support, and a first scale mark which can be aligned with the first scale mark and a second scale mark which can be aligned with the second scale mark are marked on the graduated scale.
The horizontal distance between the first marking line and the second marking line on the graduated scale is designed to be the center distance required by the ball connecting rod, and therefore when the connecting rod is rotated to enable the left fixing seat and the right fixing seat to relatively slide until the first marking line is aligned with the first marking line and the second marking line is aligned with the second marking line, the distance from the axis of the left insertion hole to the axis of the right insertion hole is the required center distance of the ball connecting rod. The positioning is very visual through the first scale mark and the first scale mark, and the second scale mark, so that the adjustment operation of the center distance of the ball connecting rod is convenient.
In the adjusting device of the ball connecting rod, a limiting rod is arranged between the left fixing seat and the right fixing seat, one end of the limiting rod is fixedly connected to the right fixing seat, the other end of the limiting rod can abut against the left fixing seat, or one end of the limiting rod is fixedly connected to the left fixing seat, and the other end of the limiting rod can abut against the right fixing seat.
The gag lever post can restrict the sliding distance between left fixing base and the right fixing base. For example, one end of the limiting rod is fixedly connected to the right fixing seat, and the other end of the limiting rod can abut against the left fixing seat, the center distance between the left positioning hole and the right positioning hole can be designed to be the required center distance of the ball connecting rod when the limiting rod abuts against the left fixing seat. When the connecting rod is rotated to enable the limiting rod to abut against the left fixing seat, the center distance of the ball connecting rod can be adjusted to be in place. The arrangement of the limiting rod enables the adjustment operation of the center distance of the ball connecting rod to be convenient.
In the adjusting device of the ball connecting rod, the support includes a left bottom plate and a right bottom plate, the left fixing seat is installed on the left bottom plate, the right fixing seat is installed on the right bottom plate, the left bottom plate deflects in the front-rear direction relative to the right bottom plate, a left vertical plate is fixed at the left end of the left bottom plate, a first intermediate connecting plate is fixed at the right end of the left bottom plate, a second intermediate connecting plate is fixed at the left end of the right bottom plate, a right vertical plate is fixed at the right end of the right bottom plate, and the first intermediate connecting plate and the second intermediate connecting plate are fixedly connected.
The support is placed and supported on the workbench through the left vertical plate and the right vertical plate, and the left bottom plate and the right bottom plate which are not on the same plane are fixed together through the first middle connecting plate and the second middle connecting plate. Because the left bottom plate deflects in the front-rear direction relative to the right bottom plate, the left fixed seat arranged on the left bottom plate also deflects, so that the left positioning surface deflects, and the angle of the ball connecting rod is adjusted.
In the adjusting device of the ball connecting rod, the left fixing seat comprises a left positioning block and a left pressing block which are used for clamping and fixing the left ball seat, the left pressing block is connected with the left positioning block through a left locking screw, and the left positioning surface is arranged on the left positioning block; the right fixing seat comprises a right positioning block and a right pressing block which are used for clamping and fixing the right ball seat, the right pressing block is connected with the right positioning block through a right locking screw, the right positioning face is arranged on the right positioning block, and the left positioning block and the right positioning block can slide relatively on the support.
When fixing the left ball seat on left fixing base, unscrew left locking screw earlier, then put into the left ball seat between left locating piece and the left briquetting, during the pole portion of left ball round pin inserted left jack, and the side subsides of left ball seat lean on left locating surface, screw up left locking screw again, make left briquetting press from both sides the left ball seat and press from both sides tightly on left locating piece. In a similar way, when fixing the right ball seat on the right fixing base, the right locking screw is unscrewed, then the right ball seat is placed between the right positioning block and the right pressing block, the auxiliary rod part of the right ball pin is inserted into the right insertion hole, the side surface of the right ball seat is attached to the right positioning surface, and the right locking screw is screwed down to enable the right pressing block to clamp the right ball seat on the right positioning block. After the assembly and adjustment of the ball connecting rod are completed, the left locking screw and the right locking screw are loosened, the ball connecting rod can be taken out, and the assembly and adjustment of the next ball connecting rod are carried out. Therefore, the left ball seat is fixed by the left positioning block, the left pressing block and the left locking screw, and the right ball seat is fixed by the right positioning block, the right pressing block and the right locking screw, so that the ball connecting rod is convenient to assemble, and the angle and the center distance of the ball connecting rod are convenient to adjust and operate.
In the above adjusting device for a ball link, the bracket is provided with a locking member capable of locking the left positioning block or the right positioning block on the bracket. One of the left positioning block and the right positioning block is locked through the locking piece, so that only one of the scale mark I and the scale mark II needs to be stared, and the adjustment operation of the center distance of the ball connecting rod is convenient
In the adjusting device of the ball connecting rod, the locking piece comprises a locking screw, the locking screw penetrates through and is in threaded connection with the support, the bottom of the locking screw abuts against the left positioning block or the right positioning block, a locking nut is in threaded connection with the locking screw, and the locking nut abuts against the support.
Taking the locking screw to lock the left positioning block as an example, the locking nut and the locking screw are firstly unscrewed to release the locking state of the left positioning block, then the left positioning block is slid to align the scale mark I and the marking line I, then the locking screw is screwed down to lock the left positioning block on the bracket, and then the locking nut is screwed down. During adjustment operation, the left positioning block is kept still, and the right positioning block slides to enable the second scale mark to be aligned with the second marking line, so that adjustment of the center distance can be achieved. Similarly, when the locking piece is used for locking the right positioning block, the locking nut and the locking screw are unscrewed to release the locking state of the right fixing block, then the right positioning block is slid to align the second scale mark and the second marking line, the locking screw is screwed down to lock the right positioning block on the bracket, and then the locking nut is screwed down. During adjustment operation, the right positioning block is kept still, and the left positioning block slides to enable the first scale mark to be aligned with the first marking line, so that adjustment of the center distance can be achieved.
The locking nut has locking effect, makes locking screw's bottom keep leaning on in left locating piece or right locating piece, guarantees that one of them keeps the locking state at the adjustment operation in-process in left locating piece and the right locating piece, guarantees like this only to stare at one of them of scale mark one and scale mark two can, makes the adjustment convenient operation of ball connecting rod centre-to-centre spacing.
In the adjusting device of the ball connecting rod, the support is provided with a left sliding groove or a left sliding rail extending along the left-right direction, and the left positioning block is slidably embedded in the left sliding groove or the left sliding rail; the support is provided with a right sliding groove or a right sliding rail extending along the left-right direction, and the right positioning block is slidably embedded in the right sliding groove or the right sliding rail.
The left sliding groove and the left sliding rail as well as the right sliding groove and the right sliding rail have guiding and positioning functions, so that the sliding directions of the left positioning block and the right positioning block in the adjusting operation process are accurate, and the adjustment operation is convenient to perform.
In the adjusting device of the ball connecting rod, the left locking screw and the right locking screw are both knurled high-head screws. The knurled screw can be operated by hand, so that the angle and the center distance of the ball connecting rod can be conveniently adjusted.
Compared with the prior art, the utility model has the advantages of it is following:
but set up relative slip's left fixing base and right fixing base on the support, left fixing base is used for fixed left ball seat, and right fixing base is used for fixed right ball seat, has the adjustment interval that supplies the connecting rod to put into between left fixing base and the right fixing base, and the left locating surface on the left fixing base deflects around for the right locating surface on the right fixing base, when using this adjusting device on-the-spot equipment ball connecting rod, can make the adjustment convenient operation of ball connecting rod angle and centre-to-centre spacing. The limiting rod is arranged to position the center distance, so that the center distance of the ball connecting rod can be adjusted conveniently. The left jack and the right jack are arranged, so that the avoiding and limiting effects are achieved, and the adjustment convenience of the angle and the center distance of the ball connecting rod is facilitated. The positioning is very visual through the first scale mark and the first scale mark, and the second scale mark, so that the adjustment operation of the center distance of the ball connecting rod is convenient.
Drawings
FIG. 1 is a perspective view of a ball link;
FIG. 2 is a perspective view of a first embodiment of the adjusting device;
FIG. 3 is a perspective view of the present adjustment device in an assembled ball link;
FIG. 4 is a cross-sectional view of the left mounting bracket in a front view, as the ball linkage is assembled in accordance with an embodiment of the adjustment mechanism;
FIG. 5 is a front cross-sectional view of the right mounting bracket of the adjusting device in an assembled state;
FIG. 6 is a cross-sectional view of the locking member of one embodiment of the adjustment device;
fig. 7 is a perspective view of a bracket in the first embodiment of the adjusting device.
Fig. 8 is a disassembled perspective view of the first embodiment of the adjusting device.
In the figure, 1, a ball connecting rod; 101. a left ball seat; 102. a right ball seat; 103. a left ball pin; 104. a right ball pin; 105. a left parting line; 106. a right parting line; 107. a left mounting hole; 108. a right mounting hole; 109. a connecting rod; 2. a support; 2a, a left bottom plate; 2b, a left vertical plate; 2c, a first middle connecting plate; 2d, a left guide strip; 2e, a left chute; 2f, a right bottom plate; 2g, a right vertical plate; 2h, connecting a middle connecting plate II; 2j, a right guide bar; 2k, a right chute; 3. a left fixed seat; 3a, a left positioning block; 3a1, left locating surface; 3a2, left jack; 3a3, scale mark one; 3b, left briquetting; 3c, a left locking screw; 4. a right fixed seat; 4a, a right positioning block; 4a1, right locating surface; 4a2, right receptacle; 4a3 and a second scale mark; 4b, pressing the right block; 4c, a right locking screw; 5. adjusting the interval; 6. a graduated scale; 6a, marking a first line; 6b, marking II; 7. a limiting rod; 8. a locking screw; 9. and locking the nut.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1, the ball linkage 1 includes a left ball seat 101, a right ball seat 102, and a connecting rod 109. A left threaded hole is formed in the right end face of the left ball seat 101, a penetrating left mounting hole 107 is formed in the side face of the left ball seat 101, the axis of the left mounting hole 107 is perpendicular to the axis of the left threaded hole, and a left ball pin 103 is mounted in the left mounting hole 107. Left ball seat 101 is for the components of a whole that can function independently structure and through bolt fixed connection, and left ball seat 101 is divided into two by left die joint, and left die joint passes through the axis of left mounting hole 107, and left die joint is perpendicular with left screwed hole. Two opposite side surfaces of the left ball seat 101 are flat surfaces and are perpendicular to the axis of the left mounting hole 107, the head part of the left ball pin 103 is rotatably embedded in the left mounting hole 107, and the rod part of the left ball pin 103 extends out of one side surface of the left ball seat 101. The provision of the left parting plane forms a left parting line 105 on the outer surface of the left ball seat 101.
A right threaded hole is formed in the left end face of the right ball seat 102, and the thread turning direction of the right threaded hole is opposite to that of the left threaded hole. A right mounting hole 108 is formed in the side face of the right ball seat 102 in a penetrating mode, the axis of the right mounting hole 108 is perpendicular to the axis of the right threaded hole, and a right ball pin 104 is mounted in the right mounting hole 108. The right ball seat 102 is of a split structure and is fixedly connected through a bolt, the right ball seat 102 is divided into two parts by a right parting surface, the right parting surface passes through the axis of the right mounting hole 108, and the right parting surface is perpendicular to the right threaded hole. Two opposite side surfaces of the right ball seat 102 are flat surfaces and are perpendicular to the axis of the right mounting hole 108, the head part of the right ball pin 104 is rotatably embedded in the right mounting hole 108, the auxiliary rod part of the right ball pin 104 and the rod part of the right ball pin 104 are coaxially arranged and have opposite directions, and the auxiliary rod part of the right ball pin 104 and the rod part of the right ball pin 104 extend out of two side surfaces of the right ball seat 102 respectively. The placement of the right parting plane forms a right parting line 106 on the outer surface of the right ball seat 102.
Both ends of the connecting rod 109 are inserted into the left threaded hole of the left ball seat 101 and the right threaded hole of the right ball seat 102, respectively, and are connected by screw threads, and the axis of the left mounting hole 107 and the axis of the right mounting hole 108 are perpendicular to the connecting rod 109. The two ends of the connecting rod 109 are respectively connected with a left nut and a right nut in a threaded manner, and the left nut and the right nut respectively abut against the right end surface of the left ball seat 101 and the left end surface of the right ball seat 102 to enable the left ball seat 101 and the right ball seat 102 to be locked on the connecting rod 109.
The angle of the ball connecting rod 1 is the relative angle between the left ball seat 101 and the right ball seat 102 of the ball connecting rod 1, namely the deflection angle of the axis of the left mounting hole 107 relative to the axis of the right mounting hole 108. The center distance of the ball connecting rod 1 is the center distance between the left ball seat 101 and the right ball seat 102 of the ball connecting rod 1, namely the distance between the axes of the left mounting hole 107 and the right mounting hole 108.
As shown in fig. 2 and 3, an adjusting device of a ball connecting rod includes a bracket 2, a left fixing seat 3 for fixing a left ball seat 101 and a right fixing seat 4 for fixing a right ball seat 102 are installed on the bracket 2, an adjusting gap 5 for placing a connecting rod 109 is provided between the left fixing seat 3 and the right fixing seat 4, and the left fixing seat 3 and the right fixing seat 4 can slide relatively in the left-right direction. The left holder 3 has a left positioning surface 3a1 for positioning and abutting a side surface of the left ball seat 101, the right holder 4 has a right positioning surface 4a1 for positioning and abutting a side surface of the right ball seat 102, and the left positioning surface 3a1 is deflected in the front-rear direction with respect to the right positioning surface 4a 1.
As shown in fig. 2, 3, 7 and 8, the bracket 2 includes a left base plate 2a and a right base plate 2f, the left base plate 2a is deflected in the front-rear direction with respect to the right base plate 2f, the left holder 3 is mounted on the left base plate 2a, and the right holder 4 is mounted on the right base plate 2 f. In designing the present ball link adjustment device, the angle of the left base plate 2a deflected in the front-rear direction with respect to the right base plate 2f is set to the angle of the ball link 1. Be fixed with the left gib block 2d that extends along left right direction on the upper surface of left bottom plate 2a, left gib block 2d has two and the symmetry sets up, and left bottom plate 2a and two left gib blocks 2d enclose into left spout 2 e. The upper surface of right bottom plate 2f is fixed with the right gib block 2j that extends along left and right direction, and right gib block 2j has two and symmetry setting, and right bottom plate 2f and two right gib blocks 2j enclose into right spout 2 k. The support 2 is provided with a graduated scale 6, and the graduated scale 6 is divided into two sections including a left section and a right section. The left subsection is fixedly connected to the upper surface of a left guide strip 2d located on the front side of the left sliding groove 2e, and the right subsection is fixedly connected to the upper surface of a right guide strip 2j located on the front side of the right sliding groove 2 k. The left subsection is marked with a first marked line 6a, and the right subsection is marked with a second marked line 6 b. The horizontal distance between the first marked line 6a and the second marked line 6b is designed to be the required center distance of the ball connecting rod 1.
The left end of left bottom plate 2a is fixed with left riser 2b, and the right-hand member of left bottom plate 2a is fixed with intermediate junction board 2c, and the left end of right bottom plate 2f is fixed with intermediate junction board two 2h, and the right-hand member of right bottom plate 2f is fixed with right riser 2g, intermediate junction board one 2c and intermediate junction board two 2h fixed connection. The first intermediate connecting plate 2c is L-shaped, and the first intermediate connecting plate 2c comprises a first transverse part and a first vertical part, wherein the first transverse part abuts against the lower surface of the left bottom plate 2a and is fixedly connected with the lower surface of the left bottom plate through bolts. The second intermediate connecting plate 2h is L-shaped, the second intermediate connecting plate 2h comprises a second transverse part and a second vertical part, and the second transverse part is attached to the lower surface of the right bottom plate 2f and fixedly connected with the lower surface of the right bottom plate through bolts. The right end face of the left bottom plate 2a is attached to the left end face of the right bottom face, the right surface of the first vertical portion is attached to the left surface of the second vertical portion, and the first vertical portion and the second vertical portion are fixedly connected through bolts.
As shown in fig. 2, 3, 6 and 8, the left fixing base 3 includes a left positioning block 3a and a left pressing block 3b for clamping the left ball seat 101, the left pressing block 3b is connected to the left positioning block 3a by a left locking screw 3c, and the left positioning surface 3a1 is disposed on the left positioning block 3 a. The right fixing seat 4 comprises a right positioning block 4a and a right pressing block 4b for clamping and fixing the right ball seat 102, the right pressing block 4b is connected with the right positioning block 4a through a right locking screw 4c, a right positioning surface 4a1 is arranged on the right positioning block 4a, and the left positioning block 3a and the right positioning block 4a can slide relatively on the bracket 2. The left positioning block 3a is embedded into the left sliding groove 2e and can slide in the left sliding groove 2e, the right positioning block 4a is embedded into the right sliding groove 2k and can slide in the right sliding groove 2k, and a locking piece capable of locking the left positioning block 3a on the support 2 is further arranged on the support 2. The locking piece includes locking screw 8, and locking screw 8 wears to establish and threaded connection on left gib block 2d, and the bottom of locking screw 8 supports and leans on left locating piece 3 a. A locking nut 9 is connected to the locking screw 8 through threads, and the locking nut 9 abuts against the outer side surface of the left guide bar 2 d.
As shown in fig. 2, 3, 4, 5, 6 and 8, the left positioning surface 3a1 is provided on the upper surface of the left positioning block 3a, and the right positioning surface 4a1 is provided on the upper surface of the right positioning block 4 a. The left positioning surface 3a1 is parallel to the upper surface of the left base plate 2a, and the right positioning surface 4a1 is parallel to the upper surface of the right base plate 2f, so that the angle of the left positioning surface 3a1 deflected in the front-rear direction with respect to the right positioning surface 4a1 is the angle of the ball link 1. The left positioning surface 3a1 is provided with a left insertion hole 3a2 for inserting the left ball pin 103, the left insertion hole 3a2 is perpendicular to the left positioning surface 3a1, the right positioning surface 4a1 is provided with a right insertion hole 4a2 for inserting the right ball pin 104, and the right insertion hole 4a2 is perpendicular to the right positioning surface 4a 1. The left positioning surface 3a1 is provided with a first scale mark 3a3 passing through the axis of the left insertion hole 3a2, the right positioning surface 4a1 is provided with a second scale mark 4a3 passing through the axis of the right insertion hole 4a2, and the first scale mark 3a3 is parallel to the second scale mark 4a 3. The first gauge line 6a, the first scale mark 3a3 and the left parting line 105 on the left ball seat 101 can be aligned, and the second gauge line 6b, the second scale mark 4a3 and the right parting line 106 on the right ball seat 102 can be aligned.
The left locking screw 3c and the right locking screw 4c are both knurled high-head screws. The left pressing block 3b is located above the left positioning block 3a, a left through hole is formed in the left pressing block 3b, a rod portion of the left locking screw 3c penetrates through the left through hole and then is in threaded connection with the left positioning block 3a, the head of the left locking screw 3c abuts against the upper surface of the left pressing block 3b after the left locking screw 3c is screwed down, and the left pressing block 3b and the left positioning block 3a can be separated after the left locking screw 3c is unscrewed. The right pressing block 4b is located above the right positioning block 4a, a right through hole is formed in the right pressing block 4b, the rod of the right locking screw 4c penetrates through the right through hole and then is in threaded connection with the right positioning block 4a, the head of the right locking screw 4c is abutted to the upper surface of the right pressing block 4b after the right locking screw 4c is screwed up, and the right pressing block 4b and the right positioning block 4a can be separated after the right locking screw 4c is unscrewed.
Be provided with gag lever post 7 between left fixing base 3 and the right fixing base 4, the right-hand member fixed connection of gag lever post 7 on right fixing base 4 and the left end of gag lever post 7 can support and lean on left fixing base 3. The right end of the limiting rod 7 is inserted into the right positioning block 4a and is in threaded connection, a nut is in threaded connection with the limiting rod 7 and abuts against the left end face of the right positioning block 4a, and the left end of the limiting rod 7 can abut against the right end face of the left positioning block 3 a.
Before the ball connecting rod 1 is assembled on site by using the adjusting device, the angle between the left positioning surface 3a1 and the right positioning surface 4a1 and the distance between the first scale mark 3a3 and the second scale mark 4a3 (namely the center distance between the left positioning hole and the right positioning hole) when the limiting rod 7 abuts against the left positioning block 3a are checked. When checking the angle between the left positioning surface 3a1 and the right positioning surface 4a1, the adjusting device can be taken to a measuring chamber to measure the angle by using a three-coordinate measuring instrument, and when the measured angle does not meet the design requirement, the angle is corrected by machining until the deflection angle between the left positioning surface 3a1 and the right positioning surface 4a1 is the angle of the ball connecting rod 1. After the angle is checked, checking the distance between the first scale mark 3a3 and the second scale mark 4a3 when the limiting rod 7 abuts against the left positioning block 3 a. Firstly, the locking nut 9 and the locking screw 8 are unscrewed, then the left positioning block 3a is slid leftwards and rightwards to enable the first scale mark 3a3 on the left positioning surface 3a1 to be aligned with the first scale mark 6a on the graduated scale 6, and then the locking screw 8 and the locking nut 9 are screwed down to enable the left positioning block 3a to be locked on the bracket 2; and then sliding the right positioning block 4a leftwards to enable the limiting rod 7 to abut against the left positioning block 3a, observing the second scale mark 4a3 and the second scale mark 6b, loosening the nut on the limiting rod 7 if the two are not aligned, keeping the limiting rod 7 abutting against the left positioning block 3a, rotating the limiting rod 7 to enable the right positioning block 4a to slide leftwards and rightwards until the second scale mark 4a3 and the second scale mark 6b are aligned, and then screwing the nut. Therefore, when the limiting rod 7 abuts against the left positioning block 3a, the second scale mark 4a3 is aligned with the second scale mark 6b, and the center distance between the left positioning hole and the right positioning hole is the center distance of the ball connecting rod 1.
Utilize on-spot equipment ball connecting rod 1 of this adjusting device, fix left ball seat 101 on left fixing base 3, unscrew left locking screw 3c promptly earlier, rotate left clamp plate backward, place left ball seat 101 on left locating piece 3a, wherein left threaded hole is towards the right on the left ball seat 101, left locating hole is inserted to the pole portion of left ball round pin 103, the side subsides of left ball seat 101 are leaned on left locating surface 3a1, it makes left parting line 105 align with 3a3 to rotate left ball seat 101, rotate left clamp plate forward again and press on left ball seat 101, then screw up left locking screw 3c and make left briquetting 3b compress tightly left ball seat 101. Fix right ball seat 102 on right fixing base 4, unscrew right locking screw 4c promptly earlier, rotate right clamp plate backward, place right ball seat 102 on right locating piece 4a, wherein the right screw hole on the right ball seat 102 is towards the left, during the sub-rod portion of right ball round pin 104 inserted right locating hole, the side of right ball seat 102 leaned on right locating surface 4a1, rotate right ball seat 102 and make right part line 106 align with scale mark two 4a3, rotate right clamp plate forward and press on right ball seat 102 again, then screw up right locking screw 4c and make right briquetting 4b compress tightly right ball seat 102. Since the left positioning surface 3a1 is deflected in the front-rear direction with respect to the right positioning surface 4a1, so that the left ball seat 101 is fixed on the left fixing base 3 and the right ball seat 102 is fixed on the right fixing base 4, the left ball seat 101 is deflected in the front-rear direction with respect to the right ball seat 102, and the deflection angle is the desired angle of the ball link 1.
Next, the left and right nuts are screwed to both ends of the connecting rod 109, respectively, and preferably, the left and right nuts are screwed to the positions where they are closest, that is, the left and right nuts are rotated to the roots of both ends of the connecting rod 109. Due to the adjustment gap 5, the connecting rod 109 is then inserted between the left fixed seat 3 and the right fixed seat 4. Then, one hand holds the connecting rod 109 to align the left end of the connecting rod 109 with the left threaded hole, the other hand pushes the right positioning block 4a leftwards to press the right threaded hole on the right end of the connecting rod 109, and then the connecting rod 109 is rotated until the left end of the limiting rod 7 abuts against the left positioning block 3a, at this time, the second scale mark 4a3 is aligned with the second scale mark 6b, and the center distance between the left ball seat 101 and the right ball seat 102 is the required center distance of the ball connecting rod 1. For convenience of assembly, the left end of the connecting rod 109 may be slightly screwed into the left threaded hole, the right positioning block 4a may be pushed to make the hole edge of the right threaded hole abut against the right end of the connecting rod 109, and the connecting rod 109 may be rotated. The left and right nuts are then tightened against the left and right ball seats 101 and 102, respectively. If necessary, thread glue can be added on the left nut and the right nut, so that the left nut and the right nut are fixed on the connecting rod 109 stably. And finally, loosening the left locking screw 3c and the right locking screw 4c, and rotating the left pressing block 3b and the right pressing block 4b backwards to take out the ball connecting rod 1. This completes the assembly of the ball link 1 and the adjustment of the angle and center distance of the ball link 1 during the assembly process. Therefore, compared with the condition that no tool is used at present, when the adjusting device is used for assembling the ball connecting rod 1 on site, the adjusting operation of the angle and the center distance of the ball connecting rod 1 can be convenient.
Example two
A locking piece is provided for locking the right positioning block 4 a. The other structure is the same as the first embodiment. The locking screw 8 penetrates through and is in threaded connection with the right guide bar 2j, the bottom of the locking screw 8 abuts against the right positioning block 4a, and the locking nut 9 abuts against the outer side face of the right guide bar 2 j. The operation direction of the ball connecting rod 1 assembled on site by utilizing the adjusting device is opposite to that of the first embodiment, and the adjusting device is suitable for left-handed people.
Example III
The left end fixed connection of gag lever post 7 is on left locating piece 3a, and the right-hand member of gag lever post 7 can support and lean on the left end face of right locating piece 4 a. The other structure is the same as the first embodiment.
Example four
The structures of the left sliding groove 2e and the right sliding groove 2k are replaced by a left sliding rail and a right sliding rail. The other structures and the assembly operation of the ball link 1 are the same as those of the first embodiment. Fixedly connected with along the left and right direction left slide rail that extends on the upper surface of left bottom plate 2a, have on the left locating piece 3a with left slide rail complex left sliding tray, left slide rail and left locating piece 3a inlay the dress through left sliding tray, during left slide rail imbeds left sliding tray promptly, left locating piece 3a can slide on left slide rail. Fixedly connected with along the right slide rail that left right direction extended on the upper surface of right bottom plate 2f, have on the right locating piece 4a with right slide rail complex right sliding tray, right slide rail and right locating piece 4a inlay the dress through right sliding tray, in right slide rail imbeds right sliding tray promptly, right locating piece 4a can slide on right slide rail. The locking screw 8 penetrates through and is in threaded connection with the left positioning block 3a, the bottom of the locking screw 8 abuts against the left sliding rail to enable the left positioning block 3a to be fixed on the left sliding rail, and the locking nut 9 abuts against the outer side face of the left positioning block 3 a.
EXAMPLE five
The locking member is different from the first embodiment, and the other structure is the same as the first embodiment. The locking piece includes spring and bolt, has seted up the spring hole on the medial surface of left gib block 2d, has seted up the bolt hole that can be relative with the spring hole on the left locating piece 3 a. The spring and the bolt are arranged in the spring hole, and two ends of the spring are respectively abutted against the bottom surface of the spring hole and the bolt. When the left positioning block 3a slides to enable the bolt hole to be opposite to the spring hole, the outer end of the bolt extends out of the spring hole under the action of the spring and is inserted into the bolt hole. Two ends of the bolt are respectively inserted into the spring hole and the bolt hole to lock the left positioning block 3a on the bracket 2, namely the left positioning block 3a can not slide left and right. The upper surface of the left guide strip 2d is provided with a strip-shaped hole which is communicated with the spring hole. A shifting lever is fixed on the bolt, the lower end of the shifting lever is fixed with the bolt, and the upper end of the shifting lever passes through the strip-shaped hole and extends out of the upper surface of the left guide strip 2 d. The latch can be retracted into the spring hole by poking the poking rod to overcome the elastic force of the spring. When the bolt is completely retracted into the spring hole, the locking state of the left positioning block 3a is released, and the left positioning block 3a can slide left and right.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. An adjusting device of a ball connecting rod, the ball connecting rod (1) comprises a left ball seat (101), a right ball seat (102) and a connecting rod (109), the adjusting device of the ball connecting rod comprises a bracket (2), it is characterized in that a left fixed seat (3) used for fixing a left ball seat (101) and a right fixed seat (4) used for fixing a right ball seat (102) are arranged on the bracket (2), the left fixed seat (3) is provided with a left positioning surface (3a1) for positioning and abutting against the side surface of the left ball seat (101), the right fixed seat (4) is provided with a right positioning surface (4a1) for positioning and abutting against the side surface of the right ball seat (102), the left positioning surface (3a1) is deflected in the front-rear direction with respect to the right positioning surface (4a1), an adjusting interval (5) for placing the connecting rod (109) is arranged between the left fixed seat (3) and the right fixed seat (4), the left fixing seat (3) and the right fixing seat (4) can slide relatively in the left-right direction.
2. The adjusting device of the ball link according to claim 1, wherein the left positioning surface (3a1) is provided with a left insertion hole (3a2) for inserting a left ball pin (103) of the left ball seat (101), the left insertion hole (3a2) is perpendicular to the left positioning surface (3a1), the right positioning surface (4a1) is provided with a right insertion hole (4a2) for inserting a right ball pin (104) of the right ball seat (102), and the right insertion hole (4a2) is perpendicular to the right positioning surface (4a 1).
3. The adjusting device of the ball connecting rod according to claim 2, characterized in that a first graduation line (3a3) passing through the axis of the left insertion hole (3a2) is arranged on the left positioning surface (3a1), a second graduation line (4a3) passing through the axis of the right insertion hole (4a2) is arranged on the right positioning surface (4a1), the first graduation line (3a3) and the second graduation line (4a3) are parallel, a graduated scale (6) is arranged on the bracket (2), and a first graduation line (6a) capable of being aligned with the first graduation line (3a3) and a second graduation line (6b) capable of being aligned with the second graduation line (4a3) are marked on the graduated scale (6).
4. The adjusting device of the ball connecting rod according to claim 1, characterized in that a limiting rod (7) is arranged between the left fixing seat (3) and the right fixing seat (4), one end of the limiting rod (7) is fixedly connected to the right fixing seat (4) and the other end of the limiting rod (7) can abut against the left fixing seat (3), or one end of the limiting rod (7) is fixedly connected to the left fixing seat (3) and the other end of the limiting rod (7) can abut against the right fixing seat (4).
5. The adjusting device of the ball connecting rod according to claim 1, wherein the support (2) comprises a left bottom plate (2a) and a right bottom plate (2f), the left fixing seat (3) is installed on the left bottom plate (2a), the right fixing seat (4) is installed on the right bottom plate (2f), the left bottom plate (2a) deflects relative to the right bottom plate (2f) in the front-back direction, a left vertical plate (2b) is fixed at the left end of the left bottom plate (2a), a first intermediate connecting plate (2c) is fixed at the right end of the left bottom plate (2a), a second intermediate connecting plate (2h) is fixed at the left end of the right bottom plate (2f), a right vertical plate (2g) is fixed at the right end of the right bottom plate (2f), and the first intermediate connecting plate (2c) and the second intermediate connecting plate (2h) are fixedly connected.
6. The adjusting device of the ball connecting rod according to any one of claims 1 to 5, wherein the left fixing seat (3) comprises a left positioning block (3a) and a left pressing block (3b) for clamping and fixing the left ball seat (101), the left pressing block (3b) is connected with the left positioning block (3a) through a left locking screw (3c), and the left positioning surface (3a1) is arranged on the left positioning block (3 a); right fixing base (4) are including right locating piece (4a) and right briquetting (4b) that are used for the fixed right ball seat of centre gripping (102), be connected through right locking screw (4c) between right briquetting (4b) and right locating piece (4a), right locating surface (4a1) sets up on right locating piece (4a), left side locating piece (3a) and right locating piece (4a) can be on support (2) relative slip.
7. The adjusting device of the ball connecting rod according to claim 6, characterized in that the bracket (2) is provided with a locking piece which can lock the left positioning block (3a) or the right positioning block (4a) on the bracket (2).
8. The adjusting device of the ball connecting rod according to claim 7, characterized in that the locking piece comprises a locking screw (8), the locking screw (8) is arranged in a penetrating way and is in threaded connection with the bracket (2), the bottom of the locking screw (8) abuts against a left positioning block (3a) or a right positioning block (4a), a locking nut (9) is in threaded connection with the locking screw (8), and the locking nut (9) abuts against the bracket (2).
9. The adjusting device of the ball connecting rod according to claim 6, characterized in that the bracket (2) is provided with a left sliding groove (2e) or a left sliding rail extending along the left-right direction, and the left positioning block (3a) is slidably embedded in the left sliding groove (2e) or the left sliding rail; the support (2) is provided with a right sliding groove (2k) or a right sliding rail extending along the left-right direction, and the right positioning block (4a) is slidably embedded in the right sliding groove (2k) or the right sliding rail.
10. Adjustment device of a ball link according to claim 6, characterized in that the left (3c) and right (4c) locking screws are knurled high-headed screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221084621.9U CN217203188U (en) | 2022-05-03 | 2022-05-03 | Adjusting device of ball connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221084621.9U CN217203188U (en) | 2022-05-03 | 2022-05-03 | Adjusting device of ball connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217203188U true CN217203188U (en) | 2022-08-16 |
Family
ID=82778648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221084621.9U Active CN217203188U (en) | 2022-05-03 | 2022-05-03 | Adjusting device of ball connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217203188U (en) |
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2022
- 2022-05-03 CN CN202221084621.9U patent/CN217203188U/en active Active
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