CN217146133U - Automobile pull rod with ball hinge - Google Patents
Automobile pull rod with ball hinge Download PDFInfo
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- CN217146133U CN217146133U CN202220068362.4U CN202220068362U CN217146133U CN 217146133 U CN217146133 U CN 217146133U CN 202220068362 U CN202220068362 U CN 202220068362U CN 217146133 U CN217146133 U CN 217146133U
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- pull rod
- ball hinge
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Abstract
The utility model relates to an automobile pull rod field specifically is to a car pull rod with ball hinge. The utility model provides an automobile pull rod with ball hinge, includes ball hinge joint assembly and connecting axle, and the connecting axle includes axis and steering linkage, and the technical problem that this application wanted to solve is current automobile pull rod, and its two steering linkage are through a axis threaded connection, if the car in-process axis is rotatory by oneself, then cause the problem of the distance increase between two steering linkage. Therefore, the end parts of the middle shaft and the steering pull rod are designed to be square, and the square sleeve is used for sleeving the structure, so that the middle shaft cannot rotate by itself, and the distance between the steering pull rods is prevented from increasing.
Description
Technical Field
The utility model relates to an automobile pull rod field specifically is to a car pull rod with ball hinge.
Background
The automobile steering pull rod assembly is used for connecting a steering knuckle and a steering gear of the front wheel of an automobile, and when a steering wheel rotates, the front wheel can be steered to the other side from one side. The automobile steering pull rod assembly is formed by connecting a middle steel pipe and a ball hinge joint assembly through threads, and fastening two ends of the middle steel pipe and the ball hinge joint assembly through a clamping hoop, a bolt and a nut.
The patent No. CN201922211602.2 discloses an automobile steering pull rod assembly, including steering pull rod, two ball hinge joint assemblies, steering pull rod's one end links firmly with a ball hinge joint assembly thermoforming mutually, steering pull rod's the other end through adjusting sleeve and another ball hinge joint assembly screw thread link to each other and this end cover of steering pull rod is equipped with the clamp, adjusting sleeve's inside and outside wall have the opposite screw thread of direction of rotation, its characterized in that, steering pull rod middle part break and link to each other through a screw thread post, screw thread post middle part have a clamping part, the screw thread that the screw thread post is located clamping part both sides is opposite in direction of rotation, steering pull rod both middle parts of break off are all overcoat and have the clamp, ball hinge joint assembly include bulb round pin and be used for the ball seat of being connected with steering pull rod, the bulb round pin including the bulb portion that is located the ball seat and the pole portion that stretches out, the ball seat bottom linked firmly the bottom plate, the bottom plate support have be used for supporting the lower ball bowl of bulb lower part and be equipped with the pressure spring that supports in lower ball bowl in the bottom plate, ball seat top department be equipped with the ball bowl that goes up that supports in bulb upper portion, ball seat and last ball bowl between be equipped with the elastic component that compresses tightly last ball bowl.
In the scheme, the two steering pull rods are connected through the middle shaft threads, and if the middle shaft rotates automatically in the driving process of the automobile, the problem that the distance between the two steering pull rods is increased is caused, so that the automobile pull rod with the middle shaft not rotating automatically in the driving process of the automobile is needed.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a vehicle handle with a ball joint in order to solve the problems of the prior art.
For solving the prior art problem, the utility model discloses a technical scheme be:
as shown in fig. 1 to 7, an automobile tie rod with a ball hinge comprises ball hinge joint assemblies and a connecting shaft, wherein the connecting shaft comprises a middle shaft and two steering tie rods, the two steering tie rods are symmetrically positioned at two ends of the middle shaft, the two ball hinge joint assemblies are respectively and fixedly connected to two ends of the connecting shaft coaxially, the middle shaft comprises two threaded shafts and a square shaft, the two threaded shafts are positioned at two ends of the square shaft, the thread directions of the two threaded shafts are opposite, the diameters of the two threaded shafts are smaller than the side length of the square shaft, and the axes of the two threaded shafts are collinear with the central line of the square shaft;
the steering pull rod comprises an internal thread sleeve and a rod body, the internal thread sleeve is a cuboid provided with a circular threaded hole, the threaded hole is in threaded connection with the threaded shaft, and the rod body is coaxially arranged at one end, far away from the threaded shaft, of the internal thread sleeve;
the automobile pull rod further comprises a square sleeve, and in an assembling state, the square sleeve is sleeved on the outer sides of the two internal thread sleeves and the square shaft and is fixedly connected with the square shaft.
Preferably, the ball hinge joint assembly comprises an outer sleeve, a pressure spring and a ball body, the outer sleeve is divided into two parts which are combined through bolts, an opening is formed in the top of the combined outer sleeve, the ball body is located in the outer sleeve and extends towards the opening, and the pressure spring is arranged between the bottom of the outer sleeve and the ball body; the ball body is divided into an upper ball bowl, a lower ball bowl and a ball, and the ball, the upper ball bowl and the lower ball bowl form a spherical pair.
Preferably, the ball includes the body, add heavy piece and bulb pole, the body is two sides about being planar spheroid shape, bulb pole fixed connection is in the one end of keeping away from the pressure spring of body, it is two sides about being planar hemisphere shape to add heavy piece, the radius that adds heavy piece is greater than the radius of body, the centre that adds heavy piece is equipped with the recess of cooperation body, it keeps away from the area of bulb pole one end to be greater than the area that is close bulb pole one end to add heavy piece, it has two to add heavy piece, two add the periphery that heavy piece wraps at the body, and with body fixed connection.
Preferably, the connecting shaft further comprises a second fixing block, the second connecting block is of a cuboid structure, a hole in the cross section of the rod body is formed in one side of the second connecting block, a hole in the cross section of the ball head rod is formed in the other side of the second connecting block, and the second fixing block is fixedly connected to the fixed ball hinge joint assembly and the connecting shaft through bolts.
Preferably, the automobile pull rod with the ball hinge further comprises a dust cover, a first fixing ring for fixing the dust cover on the outer sleeve is arranged at one end of the dust cover, and a second fixing ring for fixing the dust cover on the middle shaft is arranged at the other end of the dust cover.
Preferably, the ball hinge joint assembly further comprises four tension springs, the four tension springs are radially and equidistantly arranged on the ball body, a first connecting column and a second connecting column are arranged on the tension springs, a third connecting column matched with the first connecting column is arranged on the outer sleeve, a tension spring ring coaxially and fixedly connected with the ball head rod is further arranged on the ball, and a fourth connecting column matched with the second connecting column is arranged on the tension spring ring.
Compared with the prior art, the beneficial effect of this application is:
1. this application is through setting up the screw thread axle at square shaft both ends, passes through screw thread at epaxial sliding connection with the steering linkage, and both sides screw thread opposite direction can make the steering linkage of both sides inwards simultaneously or outwards slide simultaneously, fixes square sleeve on the square shaft after setting for the position, because of the internal thread sleeve is square, when the fixed back of square sleeve, the internal thread sleeve can't be rotating, can guarantee the stability of device.
2. This application constitutes the sphere pair through ball and last bowl and lower bowl, thereby can drive the spheroid motion when the connecting axle motion and make the ball at last bowl and lower bowl intermediate motion, when the spheroid received external power, the elasticity of pressure spring can increase spheroidal bearing capacity, gives the spheroid cushioning effect and makes the spheroid get back to the normal position giving a reverse power of spheroid.
3. This application is through set up in the body outside and add heavy piece, because of adding the area that heavy piece kept away from bulb pole one end and being greater than the area that is close bulb pole one end, the solid spheroid can receive decurrent gravity, makes the spheroid more firm downwards, increases spheroidal bearing capacity and return speed.
4. This application is through setting up the dirt proof boot in the axis and the outer sleeve outside, and the dirt proof boot covers whole spheroid part, prevents that outside dust, gravel etc. from entering into spheroidal inside, guarantees the inside cleanness of spheroid to the life cycle of increase equipment.
5. This application is through setting up the dirt proof boot in the axis and the outer sleeve outside, and the dirt proof boot covers whole spheroid part, prevents that outside dust, gravel etc. from entering into spheroidal inside, guarantees the inside cleanness of spheroid to the life cycle of increase equipment.
Drawings
FIG. 1 is a front view of the present application;
FIG. 2 is a sectional view taken along line A-A of FIG. 1 of the present application;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 of the present application;
FIG. 4 is a perspective view of the present application;
FIG. 5 is a perspective view of the connection shaft of the present application;
FIG. 6 is a front view of the connecting shaft of the present application;
fig. 7 is a cross-sectional view taken along line C-C of fig. 6 of the present application.
The reference numbers in the figures are:
1-sphere; 1 a-round balls; 1a 1-body; 1a 2-weighted member; 1a 3-bulb bar; 1a 4-fourth connecting column; 1 b-mounting a ball bowl; 1 c-placing a ball bowl;
2-an outer sleeve; 2 a-a third connecting column;
3, pressing a spring;
4-a dust cover; 4 a-a first retaining ring; 4 b-a second retaining ring;
5-a connecting shaft; 5 a-medial axis; 5a 1-threaded shaft; 5a 2-square axis; 5 b-a steering tie rod; 5b1 — internal threaded sleeve; 5b 2-bar body; 5 c-a square sleeve; 5 d-a second fixed block;
6-a tension spring; 6 a-a first connecting column; 6 b-second connecting column.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 7, an automobile tie rod with a ball hinge comprises a ball hinge joint assembly and a connecting shaft 5, wherein the connecting shaft 5 comprises a middle shaft 5a and two steering tie rods 5b, the two steering tie rods 5b are symmetrically arranged at two ends of the middle shaft 5a, the two ball hinge joint assemblies are respectively and fixedly connected to two sides of the connecting shaft 5 coaxially, the middle shaft 5a comprises two threaded shafts 5a1 and a square shaft 5a2, the two threaded shafts 5a1 are arranged at two ends of the square shaft 5a2, the two threaded shafts 5a1 have opposite thread directions, the diameter of the two threaded shafts 5a1 is smaller than the side length of the square shaft 5a2, and the axes of the two threaded shafts 5a1 are collinear with the central line of the square shaft 5a 2;
the steering pull rod 5b comprises an internal thread sleeve 5b1 and a rod body 5b2, the internal thread sleeve 5b1 is a cuboid provided with a circular threaded hole, the threaded hole is in threaded connection with the threaded shaft 5a1, and the rod body 5b2 is coaxially arranged at one end, far away from the threaded shaft 5a1, of the internal thread sleeve 5b 1;
the automobile pull rod further comprises a square sleeve 5c, in an assembled state, the square sleeve 5c is sleeved on the outer sides of the two internal thread sleeves 5b1 and the square shaft 5a2, and the square sleeve 5c is fixedly connected with the square shaft 5a 2.
Based on the above embodiments, the technical problem that the present application is intended to solve is that in an existing automobile tie rod, two steering tie rods 5b are connected through a middle shaft 5a through threads, and if the middle shaft 5a rotates by itself in the running process of an automobile, the problem of distance increase between the two steering tie rods 5b is caused. For this purpose, the present application prevents the distance between the steering links 5b from increasing by designing the ends of the bottom bracket 5a and the steering links 5b to be square and by using the square sleeves 5c to cover the above structure, so that the bottom bracket 5a does not rotate by itself.
Preferably, the ball hinge joint assembly comprises an outer sleeve 2, a pressure spring 3 and a ball body 1, wherein the outer sleeve 2 is divided into two halves and combined through bolts, an opening is formed in the top of the combined outer sleeve 2, the ball body 1 is located in the outer sleeve 2 and extends towards the opening, and the pressure spring 3 is arranged between the bottom of the outer sleeve 2 and the ball body 1; the ball body 1 is divided into an upper ball bowl 1b, a lower ball bowl 1c and a ball 1a, and the ball 1a, the upper ball bowl 1b and the lower ball bowl 1c form a spherical pair.
Based on the above embodiments, the technical problem that the present application intends to solve is how to compensate for the wear gap, and avoid the occurrence of loose and abnormal sound. Therefore, the ball 1a, the upper ball bowl 1b and the lower ball bowl 1c form a spherical pair, when the connecting shaft 5 moves, the ball 1 is driven to move, so that the ball 1a moves between the upper ball bowl 1b and the lower ball bowl 1c, when the ball 1 is subjected to external force, the bearing capacity of the ball 1 can be increased by the elasticity of the pressure spring 3, the buffering effect is given to the ball 1, and the ball 1 returns to the original position by the reverse force given to the ball 1.
Preferably, the ball 1a comprises a body 1a1, a weighting piece 1a2 and a ball head rod 1a3, the body 1a1 is in the shape of a ball 1 with two planar upper and lower surfaces, the ball head rod 1a3 is fixedly connected to one end of the body 1a1 far away from the pressure spring 3, the weighting piece 1a2 is in the shape of a planar hemisphere 1 with two planar upper and lower surfaces, the radius of the weighting piece 1a2 is larger than that of the body 1a1, a groove matched with the body 1a1 is arranged in the middle of the weighting piece 1a2, the area of one end of the weighting piece 1a2 far away from the ball head rod 1a3 is larger than that of one end of the weighting piece 1a3, the weighting piece 1a2 is two, and the two weighting pieces 1a2 wrap around the circumferential surface of the body 1a1 and are fixedly connected with the body 1a 1.
Based on the above embodiments, the technical problem to be solved by the present application is how to ensure that the round ball 1a returns quickly. Therefore, the weighting piece 1a2 is arranged outside the body 1a1, and because the area of the end, far away from the ball head rod 1a3, of the weighting piece 1a2 is larger than the area of the end, close to the ball head rod 1a3, of the weighting piece 1a2, the fixed ball body 1 can receive downward gravity, so that the ball body 1 is more stable downwards, and the bearing capacity and the return speed of the ball body 1 are increased.
Preferably, the connecting shaft 5 further comprises a second fixing block 5d, the second connecting block is of a cuboid structure, a hole with the section of the rod body 5b2 is formed in one side of the second connecting block, a hole with the section identical to that of the ball head rod 1a3 is formed in the other side of the second connecting block, and the second fixing block 5d is fixedly connected to the fixed ball hinge joint assembly and the connecting shaft 5 through bolts.
Based on the above embodiments, the technical problem that the present application intends to solve is how to fix the ball joint assembly and the connecting shaft 5. Therefore, the second fixing block 5d is arranged at one end, close to the connecting shaft 5, of the fixed ball hinge joint assembly, so that the connection between the fixed ball hinge joint assembly and the connecting shaft 5 is guaranteed.
Preferably, the automobile pull rod with the ball hinge further comprises a dust cover 4, one end of the dust cover 4 is provided with a first fixing ring 4a for fixing the dust cover 4 on the outer sleeve 2, and the other end of the dust cover 4 is provided with a second fixing ring 4b for fixing the dust cover 4 on the middle shaft 5 a.
Based on the above embodiments, the technical problem that the present application intends to solve is how to reduce the influence of external factors on the ball socket. For this reason, this application is through setting up the dirt proof boot in axis 5a and outer sleeve 2 outside, and the dirt proof boot covers whole spheroid 1 part, prevents that outside dust, grit etc. from entering into the inside of spheroid 1, guarantees the inside cleanness of spheroid 1 to increase the life cycle of equipment.
Preferably, the ball hinge joint assembly further comprises four tension springs 6, the four tension springs 6 are radially and equidistantly arranged on the ball body 1, the tension spring 6 is provided with a first connecting column 6a and a second connecting column 6b, the outer sleeve 2 is provided with a third connecting column 2a matched with the first connecting column 6a, the ball 1a is further provided with a tension spring 6 ring coaxially and fixedly connected with the ball head rod 1a3, and the tension spring 6 ring is provided with a fourth connecting column 1a4 matched with the second connecting column 6 b.
Based on the above embodiments, the technical problem to be solved by the present application is how to increase the carrying capacity of the ball 1. Therefore, the tension spring 6 is arranged between the ball hinge joint assembly and the outer sleeve 2, when the connecting shaft 5 drives the middle shaft 5a to move, the ball head rod 1a3 can be driven to move, the ball body 1 is driven to move, the tension spring 6 can disperse the force during the movement and unload the force, the reaction force of the tension spring 6 can enable the ball body 1 to return to the original position, and the bearing capacity of the ball body 1 is improved.
The above examples are merely illustrative of one or more embodiments of the present invention, and the description thereof is more specific and detailed, but not intended to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. An automobile pull rod with a ball hinge comprises a ball hinge joint assembly and a connecting shaft (5), wherein the connecting shaft (5) comprises a middle shaft (5a) and two steering pull rods (5b), the number of the steering pull rods (5b) is two, the two steering pull rods (5b) are symmetrically positioned at two ends of the middle shaft (5a), the number of the ball hinge joint assemblies is two, the two ball hinge joint assemblies are respectively and coaxially and fixedly connected to two ends of the connecting shaft (5), the automobile pull rod is characterized in that the middle shaft (5a) comprises two threaded shafts (5a1) and a square shaft (5a2), the two threaded shafts (5a1) are positioned at two ends of the square shaft (5a2), the thread directions of the two threaded shafts (5a1) are opposite, the diameter of the two threaded shafts (5a1) is smaller than the side length of the square shaft (5a2), and the axial lines of the two threaded shafts (5a1) and the central line of the square shaft (5a 2);
the steering pull rod (5b) comprises an internal thread sleeve (5b1) and a rod body (5b2), the internal thread sleeve (5b1) is a cuboid provided with a circular threaded hole, the threaded hole is in threaded connection with the threaded shaft (5a1), and the rod body (5b2) is coaxially arranged at one end, far away from the threaded shaft (5a1), of the internal thread sleeve (5b 1);
the automobile pull rod further comprises a square sleeve (5c), the square sleeve (5c) is sleeved on the outer sides of the two internal thread sleeves (5b1) and the square shaft (5a2) in an assembling state, and the square sleeve (5c) is fixedly connected with the square shaft (5a 2).
2. The automobile draw bar with the ball hinge is characterized in that the ball hinge joint assembly comprises an outer sleeve (2), a pressure spring (3) and a ball body (1), wherein the outer sleeve (2) is divided into two parts which are combined through a bolt, an opening is formed in the top of the combined part, the ball body (1) is positioned in the outer sleeve (2) and extends towards the opening, and the pressure spring (3) is arranged between the bottom of the outer sleeve (2) and the ball body (1); the ball body (1) is divided into an upper ball bowl (1b), a lower ball bowl (1c) and a ball (1a), and the ball (1a), the upper ball bowl (1b) and the lower ball bowl (1c) form a spherical pair.
3. Automobile drawbar with ball hinge according to claim 2, characterized in that the ball (1a) comprises a body (1a1), the weight piece (1a2) and the ball head rod (1a3), the body (1a1) is in the shape of a sphere (1) with two planar upper and lower surfaces, the ball head rod (1a3) is fixedly connected to one end, far away from the pressure spring (3), of the body (1a1), the weight piece (1a2) is in the shape of a planar hemisphere (1) with two planar upper and lower surfaces, the radius of the weight piece (1a2) is larger than that of the body (1a1), a groove matched with the body (1a1) is arranged in the middle of the weight piece (1a2), the area of one end, far away from the ball head rod (1a3), of the weight piece (1a2) is larger than that of one end, near the ball head rod (1a3), the weight piece (1a2) is provided with two weight pieces, and the two weight pieces (1a2) are wrapped on the circumferential surface of the body (1a1) and fixedly connected with the body (1a 1).
4. The automobile draw bar with the ball hinge according to claim 3, wherein the connecting shaft (5) further comprises a second fixing block (5d), the second connecting block has a rectangular parallelepiped structure, one side of the second connecting block has a hole having a section corresponding to that of the rod body (5b2), the other side of the second connecting block has a hole having a section corresponding to that of the ball-end rod (1a3), and the second fixing block (5d) is fixedly connected to the fixed ball hinge joint assembly and the connecting shaft (5) by means of bolts.
5. The vehicle tie rod with a ball hinge according to claim 2, characterized in that it further comprises a dust cover (4), one end of the dust cover (4) is provided with a first fixing ring (4a) for fixing the dust cover (4) to the outer sleeve (2), and the other end of the dust cover (4) is provided with a second fixing ring (4b) for fixing the dust cover (4) to the center shaft (5 a).
6. The automobile pull rod with the ball hinge is characterized in that the ball hinge joint assembly further comprises four tension springs (6), the four tension springs (6) are radially and equidistantly arranged on the ball body (1), a first connecting column (6a) and a second connecting column (6b) are arranged on each tension spring (6), a third connecting column (2a) matched with the first connecting column (6a) is arranged on the outer sleeve (2), a tension spring (6) ring coaxially and fixedly connected with the ball head rod (1a3) is further arranged on the ball body (1a), and a fourth connecting column (1a4) matched with the second connecting column (6b) is arranged on each tension spring (6) ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220068362.4U CN217146133U (en) | 2022-01-11 | 2022-01-11 | Automobile pull rod with ball hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220068362.4U CN217146133U (en) | 2022-01-11 | 2022-01-11 | Automobile pull rod with ball hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217146133U true CN217146133U (en) | 2022-08-09 |
Family
ID=82687791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220068362.4U Active CN217146133U (en) | 2022-01-11 | 2022-01-11 | Automobile pull rod with ball hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217146133U (en) |
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2022
- 2022-01-11 CN CN202220068362.4U patent/CN217146133U/en active Active
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