CN210146808U

CN210146808U - Adjustable riveting clamp for hydraulic gear rack steering gear

Info

Publication number: CN210146808U
Application number: CN201920850647.1U
Authority: CN
Inventors: 崔亮; 文卫平; 冯强
Original assignee: Jingzhou Henglong Automotive Parts Co Ltd
Current assignee: Jingzhou Henglong Automotive Parts Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-17
Anticipated expiration: 2029-06-06

Abstract

The utility model relates to a be used for adjustable pressure of fluid pressure type rack and pinion steering gear to rivet device belongs to automobile power steering system technical field. The adjustable sliding block is composed of a base, a positioning piece and an adjusting piece, wherein the positioning piece is fixedly arranged at one end of the base through a fastening screw, a sliding groove A and a sliding groove B are arranged at the other end of the base at intervals, a locking screw is arranged on the sliding groove B, the adjusting piece is slidably arranged on the sliding groove A, a sliding groove C is arranged in the base below the adjusting piece and is respectively communicated with the sliding groove A and the sliding groove B, the lower end of the adjusting piece extends into the sliding groove C, a locking rod is movably inserted on the adjusting piece extending into the sliding groove C, the locking rod is in threaded connection with the locking screw, and the end of the. The adjustable riveting clamp for the hydraulic gear rack steering gear has the characteristics of easiness in adjustment and strong universality, solves the problems of poor universality and high production cost of the conventional riveting clamp, and meets the production requirement of an automobile steering gear.

Description

Adjustable riveting clamp for hydraulic gear rack steering gear

Technical Field

The utility model relates to a be used for adjustable pressure of fluid pressure type rack and pinion steering gear to rivet device belongs to automobile power steering system technical field.

Background

The steering gear is an important part in an automobile steering system, and is used for reducing the speed and increasing the torque of a steering torque and a steering angle from a steering wheel and outputting the reduced speed and increased torque to a steering pull rod mechanism to realize the function of automobile steering. The hydraulic rack and pinion steering gear is a relatively mature steering gear on an automobile, an oil cylinder part and a shell part need to be riveted and connected in the assembling and production process of the hydraulic rack and pinion steering gear to prevent parts from loosening, and a riveting clamp needs to be utilized to fix parts of the steering gear in the riveting process to cooperate with a riveting machine to perform riveting work.

Because the specifications of the steering gears of various types are not completely unified, when the riveting operation is carried out, a special clamp needs to be configured for the steering gears of various types respectively, but the types of the steering gears are various, and high production cost and time cost can be generated when a large number of riveting clamps are manufactured; in addition, these rivet pressing tools occupy a large working area when they are stored, and if the storage location is too far, the replacement and transportation of the rivet pressing tools significantly increase the working strength and reduce the working efficiency, so that a new rivet pressing tool is required to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a: the adjustable pressure riveting clamp for the hydraulic gear-rack steering gear is easy to adjust and high in universality, and solves the problems that the existing pressure riveting clamp is poor in universality and high in production cost.

The technical scheme of the utility model is that:

the utility model provides an adjustable pressure riveting anchor clamps for fluid pressure type rack and pinion steering gear, it comprises base, setting element and adjusting part, its characterized in that: one end on the base is fixedly provided with a positioning piece through a fastening screw, the other end on the base is provided with a sliding groove A and a sliding groove B at intervals, a locking screw is arranged on the sliding groove B, an adjusting piece is slidably arranged on the sliding groove A, a sliding groove C is arranged in the base below the adjusting piece, the sliding groove C is respectively communicated with the sliding groove A and the sliding groove B, the lower end of the adjusting piece extends into the sliding groove C, a locking rod is movably inserted on the adjusting piece extending into the sliding groove C, the locking rod is in threaded connection with the locking screw, and the end of the locking rod extends out of.

The sliding groove A and the sliding groove B are through grooves.

The locking rod is L-shaped.

The setting element by the backup pad, adjust the double-screw bolt, the locating plate, the fixed block, fixture block and slider constitute, backup pad and base fixed connection, the movable cartridge of symmetry form has the adjust the double-screw bolt in the backup pad, the movable cartridge has the locating pin in the backup pad between the adjust the double-screw bolt, the locating plate is installed to the upper end screw thread of adjusting the double-screw bolt, locating plate and locating pin swing joint, be provided with spout D on the locating plate, symmetry form slidable mounting has the fixed block in the spout D, be provided with locking screw on the fixed block, locking screw extends to the locating plate top, symmetry form slidable mounting has the fixture block on the spout D between the fixed.

And the adjusting studs are respectively provided with an adjusting nut.

The fixture block bottom be provided with the slide rail corresponding to spout D, be provided with the arc on the fixture block of slide rail top and concave, be provided with spout E on the slide rail of arc concave below, spout E is the arc wall.

The sliding block is arc-shaped, and the radial section of the sliding block is convex.

The adjusting part comprises a lower mounting cylinder, an upper mounting cylinder, a connecting nut, an assembling column and positioning heads, wherein the lower mounting cylinder is connected with the sliding chute A in a sliding mode, the upper mounting cylinder is movably mounted on the lower mounting cylinder through a positioning pin, the upper mounting cylinder and the lower mounting cylinder are respectively provided with a locking nut in a threaded mode, the upper mounting cylinder and the lower mounting cylinder between the locking nuts are movably sleeved with a connecting ring, the assembling column is movably inserted into the top end of the upper mounting cylinder, the periphery of the top end port of the upper mounting cylinder is provided with a plurality of positioning heads in a radial sliding mode, and the positioning heads are connected with the assembling column through studs respectively.

The lower mounting cylinder and the upper mounting cylinder are respectively in a reducing cylinder shape, external threads are respectively arranged at one end of a large-diameter cylinder of the lower mounting cylinder and one end of a small-diameter cylinder of the upper mounting cylinder, an assembling hole A is radially arranged at one end of the small-diameter cylinder of the lower mounting cylinder, and the assembling hole A is communicated with a central hole of the lower mounting cylinder; a plurality of assembling grooves are radially arranged on the circumference of the port at one end of the small-diameter cylinder of the upper mounting cylinder, the assembling grooves are communicated with the central hole of the upper mounting cylinder, and the central hole of the upper mounting cylinder is a reducing hole.

The assembly groove is in an inverted convex shape.

The assembling column is in a reducing column shape, and a plurality of assembling holes B are radially formed in the circumference of one end of a large-diameter column of the assembling column.

The positioning head is in a step shape, one end of the positioning head is provided with an assembling hole C, and the other end of the positioning head is an arc surface.

The utility model has the advantages that:

the adjustable press riveting clamp for the hydraulic gear rack steering gear has the characteristics of easiness in adjustment and strong universality, and the press riveting length can be controlled by sliding the adjusting piece on the sliding chute A; the extended length of the positioning head is adjusted through the stud, so that the positioning head can be matched with inner holes of shells of different models; the clamping effect through the fixture block can be spacing to the hydro-cylinder, has solved the poor and high problem of manufacturing cost of commonality that current pressure riveting anchor clamps had, has satisfied the production needs of auto steering ware.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a schematic structural view of the base of the present invention;

fig. 5 is a schematic structural diagram of the locking lever of the present invention;

fig. 6 is a schematic structural diagram of a fixture block of the present invention;

fig. 7 is a schematic structural diagram of the slide block of the present invention;

fig. 8 is a schematic structural view of the lower mounting cylinder of the present invention;

fig. 9 is a schematic structural view of an upper mounting cylinder of the present invention;

fig. 10 is a schematic structural view of the assembly column of the present invention;

fig. 11 is a schematic structural view of the positioning head of the present invention;

fig. 12 is a schematic structural view of a workpiece (steering gear) according to the present invention.

In the figure: 1. the base, 2, the backup pad, 3, adjusting stud, 4, the locating plate, 5, the fixed block, 6, the fixture block, 7, the slider, 8, adjusting nut, 9, the locating pin, 10, spout D, 11, locking screw, 12, the slide rail, 13, the arc is concave, 14, spout E, 15, spout A, 16, spout B, 17, lower installation section of thick bamboo, 18, last installation section of thick bamboo, 19, coupling nut, 20, the erection column, 21, the locating head, 22, pilot hole A, 23, lock nut, 24, pilot hole B, 25, the assembly flume, 26, pilot hole C, 27, spout C, 28, the locking lever, 29, the casing, 30, the hydro-cylinder.

Detailed Description

The adjustable riveting clamp for the hydraulic gear rack steering gear comprises a base 1, a positioning piece and an adjusting piece, wherein the base 1 is a rectangular body, the positioning piece is fixedly arranged at one end of the base 1 through a fastening screw, the positioning piece is used for positioning an oil cylinder 30 of the steering gear, the positioning piece comprises a supporting plate 2, adjusting studs 3, a positioning plate 4, a fixing block 5, a clamping block 6 and a sliding block 7, the supporting plate 2 is fixedly connected with the base 1, the adjusting studs 3 are symmetrically movably inserted in the supporting plate 2, the adjusting studs 3 are respectively provided with adjusting nuts 8, the adjusting nuts 8 are used for adjusting the height of the adjusting studs 3 in the working process, positioning pins 9 are movably inserted in the supporting plate 2 between the adjusting studs 3, the positioning plate 4 is installed at the upper end of the adjusting studs 3 through threads, and the positioning plate 4 is movably connected with the positioning.

The positioning plate 4 is provided with a sliding groove D10, the sliding groove D10 is internally and symmetrically provided with a fixed block 5 in a sliding manner, the fixed block 5 is provided with a locking screw 11, the locking screw 11 extends above the positioning plate 4, and the locking screw 11 is used for increasing the friction force between the fixed block 5 and the sliding groove D10 in the working process to realize the locking effect on the fixed block 5; symmetrical form slidable mounting has fixture block 6 on the spout D10 between the fixed block 5, fixture block 6 is used for centre gripping steering gear's hydro-cylinder 30, the fixture block 6 bottom is provided with slide rail 12 corresponding to spout D10, be provided with the concave 13 of arc on the fixture block 6 of slide rail 12 top, be provided with spout E14 on the slide rail 12 of the concave 13 below of arc, spout E14 is the arc wall, slidable mounting has slider 7 in the spout E14 respectively, the both ends of slider 7 extend to outside spout E14, slider 7 is the arc, and the radian is the quarter circular arc, the radial cross-section of slider 7 is the dogbone.

The other end of the base 1 is provided with a sliding groove A15 and a sliding groove B16 at intervals, the sliding groove A15 and the sliding groove B16 are through grooves, a locking screw 11 is arranged on the sliding groove B16, an adjusting piece is slidably mounted on the sliding groove A15 and used for assembling a shell 29 of the steering gear, the adjusting piece comprises a lower mounting cylinder 17, an upper mounting cylinder 18, a connecting nut 19, an assembling column 20 and a positioning head 21, the lower mounting cylinder 17 is slidably connected with the sliding groove A15, one end of a small-diameter cylinder of the lower mounting cylinder 17 is radially provided with an assembling hole A22, and the assembling hole A22 is communicated with a central hole of the lower mounting cylinder 17; an upper installation barrel 18 is movably installed on the lower installation barrel 17 through a positioning pin 9, the upper installation barrel 18 and the lower installation barrel 17 are respectively in a reducing barrel shape, external threads are respectively arranged at one ends of a large-diameter barrel of the lower installation barrel 17 and one end of a large-diameter barrel of the upper installation barrel 18, locking nuts 23 are respectively installed on the upper installation barrel 18 and the lower installation barrel 17 in a threaded mode, and a connecting ring is movably sleeved on the upper installation barrel 18 and the lower installation barrel 17 between the locking nuts 23.

The central hole of the upper mounting cylinder 18 is a reducing hole, an assembling column 20 is movably inserted in the central hole at the top end of the upper mounting cylinder 18, the assembling column 20 is in a reducing column shape, and a plurality of assembling holes B24 are radially arranged on the circumference of one end of a large-diameter column of the assembling column 20; the circumference of the top end port of the upper mounting barrel 18 is radially provided with a plurality of assembling grooves 25, the assembling grooves 25 are in an inverted convex shape, the assembling grooves 25 are communicated with the central hole of the upper mounting barrel 18, positioning heads 21 are respectively and slidably mounted in the assembling grooves 25, the positioning heads 21 are used for clamping the inner hole of the steering gear shell 29 in the working process, the positioning heads 21 are in a step shape, one ends of the positioning heads 21 are cambered surfaces, the other ends of the positioning heads 21 are provided with assembling holes C26, and the assembling holes C26 are respectively connected with the assembling holes B24 of the assembling column 20 through studs.

A sliding groove C27 is formed in the base 1 below the adjusting piece, the sliding groove C27 is communicated with a sliding groove A15 and a sliding groove B16 respectively, the lower end of the lower mounting cylinder 17 extends into the sliding groove C27, a locking rod 28 is movably inserted into an assembly hole A22 of the lower mounting cylinder 17 extending into the sliding groove C27, the locking rod 28 is L-shaped, the locking rod 28 is in threaded connection with a locking screw 11, the locking screw 11 is used for fixing the locking rod 28, the adjusting piece is further fixed, and the end of the locking rod 28 extends out of the sliding groove C27 so that the position of the locking rod 28 can be synchronously adjusted along with the adjusting piece in the working process.

The working process of the adjustable riveting clamp comprises the following steps: adjusting the length of a stud on the positioning head 21 according to the size of an inner hole of the steering gear shell 29, then installing the positioning head 21 on the assembly column 20 by using the stud, inserting the assembly column 20 provided with the positioning head 21 into a central hole of the upper installation cylinder 18, adjusting the assembly column 20 to enable each positioning head 21 to be attached to the assembly groove 25, and finishing the adjustment work of the positioning head 21;

after the adjustment of the positioning head 21 is completed, the assembly distance between the steering gear housing 29 and the steering gear cylinder 30 is calculated according to the position of the riveting point, the adjusting member is slid to the right and left on the sliding groove a15 to the proper position according to the distance, the operator slides the locking rod 28 at the same time to prevent the adjusting member from being stuck during the sliding, and when the adjusting member is slid to the proper position, the locking screw 11 is screwed to fix the locking rod 28, so that the adjusting member cannot move, namely, the position adjustment of the adjusting member is completed.

After the position of the adjusting piece is adjusted, the adjusting nut is rotated according to the press riveting height and moves up and down along the adjusting stud, so that the length of the adjusting stud extending out of the supporting plate 2 is controlled, the adjusting stud drives the positioning plate 4 to move up and down, and the purpose of changing the height of the positioning plate 4 is achieved; then the locking nut 23 on the lower mounting cylinder 17 is rotated, and the connecting ring drives the upper mounting cylinder 18 to move through the connecting ring, so that the height of the upper mounting cylinder 18 can be adjusted.

After the height adjustment of the pressure riveting clamp is completed, the inner hole of the steering gear shell 29 is sleeved at the top end of the adjusting piece, and the inner hole of the steering gear shell 29 is limited by each positioning head 21; assembling a steering gear oil cylinder 30 on a steering gear shell 29, placing the shaft body of the steering gear oil cylinder 30 on the arc-shaped concave 13 between the clamping blocks 6, then pushing the clamping blocks 6 towards the middle, wherein the sliding blocks 7 on the clamping blocks 6 are firstly contacted in the process that the clamping blocks 6 approach, and because the sliding blocks 7 cannot approach further, in the process of continuously pushing the clamping blocks 6, the sliding blocks 7 and the clamping blocks 6 slide relatively, the upper end heads of the sliding blocks 7 extend upwards out of the clamping blocks 6, and because the radian of the sliding blocks 7 is a quarter of an arc, when the upper end heads of the sliding blocks 7 extend upwards out of the clamping blocks 6, the distance between the upper end heads of the sliding blocks 7 is smaller than the circumferential diameter corresponding to the arc-shaped concave 13 of the clamping blocks 6, namely, the steering gear oil cylinder 30; when the fixture block 6 cannot further approach, the locking screw 11 corresponding to the fixture block 5 is screwed, so that the friction force between the fixture block 5 and the sliding groove D10 is increased, and the fixture block 5 is fixed in the sliding groove D10, so that the fixture block 6 and the steering gear oil cylinder 30 cannot move, that is, the mounting and fixing work of the steering gear is completed, and the further press riveting work can be performed.

The adjustable pressure riveting clamp for the hydraulic gear rack steering gear has the characteristics of easiness in adjustment and strong universality, and the pressure riveting length can be controlled by sliding the adjusting piece on the sliding groove A15; the extended length of the positioning head 21 is adjusted through the stud, so that the positioning head can be matched with inner holes of shells 29 of different models; the oil cylinder 30 can be limited under the clamping action of the clamping block 6, the problems of poor universality and high production cost of the existing riveting clamp are solved, and the production requirement of the automobile steering gear is met.

Claims

1. The utility model provides an adjustable pressure riveting anchor clamps for fluid pressure type rack and pinion steering gear, it comprises base (1), setting element and adjusting part, its characterized in that: one end on base (1) is equipped with the setting element admittedly through set up screw, the other end interval on base (1) is provided with spout A (15) and spout B (16), be provided with locking screw (11) on spout B (16), slidable mounting has the adjusting part on spout A (15), be provided with spout C (27) in base (1) of adjusting part below, spout C (27) communicate with spout A (15) and spout B (16) respectively, the lower extreme of adjusting part extends to in spout C (27), the activity cartridge has locking lever (28) on the adjusting part in the spout C (27) of extending to, locking lever (28) and locking screw (11) threaded connection, the end of locking lever (28) extends outside spout C (27).

2. An adjustable clinch clamp for a hydraulic rack and pinion steering gear according to claim 1, wherein: the positioning piece comprises a supporting plate (2), adjusting studs (3), positioning plates (4), fixing blocks (5), clamping blocks (6) and a sliding block (7), the supporting plate (2) is fixedly connected with a base (1), the adjusting studs (3) are movably inserted in a symmetrical manner on the supporting plate (2), positioning pins (9) are movably inserted on the supporting plate (2) between the adjusting studs (3), the positioning plates (4) are installed at the upper end head threads of the adjusting studs (3), the positioning plates (4) are movably connected with the positioning pins (9), sliding grooves D (10) are arranged on the positioning plates (4), the fixing blocks (5) are symmetrically and slidably installed in the sliding grooves D (10), locking screws (11) are arranged on the fixing blocks (5), the locking screws (11) extend to the upper portions of the positioning plates (4), the clamping blocks (6) are symmetrically and slidably installed on the sliding grooves D (10) between the fixing blocks (5), the clamping blocks (6) are respectively provided with a sliding block (7) in a sliding way.

3. An adjustable clinch clamp for a hydraulic rack and pinion steering gear according to claim 2, wherein: and the adjusting studs (3) are respectively provided with an adjusting nut (8).

4. An adjustable clinch clamp for a hydraulic rack and pinion steering gear according to claim 2, wherein: the bottom end of the clamping block (6) is provided with a sliding rail (12) corresponding to the sliding groove D (10), an arc-shaped concave groove (13) is arranged on the clamping block (6) above the sliding rail (12), a sliding groove E (14) is arranged on the sliding rail (12) below the arc-shaped concave groove (13), and the sliding groove E (14) is an arc-shaped groove.

5. An adjustable clinch clamp for a hydraulic rack and pinion steering gear according to claim 2, wherein: the sliding block (7) is arc-shaped, and the radial section of the sliding block (7) is convex.

6. An adjustable clinch clamp for a hydraulic rack and pinion steering gear according to claim 1, wherein: the adjusting part by installation section of thick bamboo (17) down, go up installation section of thick bamboo (18), coupling nut (19), erection column (20) and location head (21) constitute, installation section of thick bamboo (17) and spout A (15) sliding connection down, install section of thick bamboo (17) down and go up installation section of thick bamboo (18) through locating pin (9) movable mounting, go up installation section of thick bamboo (18) and install section of thick bamboo (17) down on respectively threaded mounting have lock nut (23), last installation section of thick bamboo (18) between lock nut (23) and install section of thick bamboo (17) down movable mounting have the go-between, the top activity cartridge of going up installation section of thick bamboo (18) has erection column (20), it has a plurality of location heads (21) to be radial slidable mounting on the top port circumference of installation section of thick bamboo (18) to go up, location head (21) are connected with erection column (20) through the double.

7. An adjustable clinch clamp for a hydraulic rack and pinion steering gear according to claim 6, wherein: the lower mounting cylinder (17) and the upper mounting cylinder (18) are respectively in a reducing cylinder shape, external threads are respectively arranged at one end of a large-diameter cylinder of the lower mounting cylinder (17) and one end of a small-diameter cylinder of the upper mounting cylinder (18), an assembling hole A (22) is radially arranged at one end of the small-diameter cylinder of the lower mounting cylinder (17), and the assembling hole A (22) is communicated with a central hole of the lower mounting cylinder (17); a plurality of assembling grooves (25) are radially arranged on the circumference of the port at one end of the small-diameter cylinder of the upper mounting cylinder (18), the assembling grooves (25) are communicated with the central hole of the upper mounting cylinder (18), and the central hole of the upper mounting cylinder (18) is a reducing hole.

8. An adjustable clinch clamp for a hydraulic rack and pinion steering gear according to claim 6, wherein: the assembling column (20) is in a variable diameter column shape, and a plurality of assembling holes B (24) are radially arranged on the circumference of one end of a large-diameter column of the assembling column (20).

9. An adjustable clinch clamp for a hydraulic rack and pinion steering gear according to claim 6, wherein: the positioning head (21) is in a step shape, one end of the positioning head (21) is provided with an assembling hole C (26), and the other end of the positioning head (21) is an arc surface.