Anti-deformation high-precision automobile ball head

Abstract

The utility model discloses an anti-deformation high-precision automobile ball head which comprises a ball pin seat, a ball pin groove is formed in the ball pin seat, a ball head is arranged in the ball pin groove, a connecting mechanism is arranged between the ball head and the ball pin seat, and the connecting mechanism comprises a connecting block arranged on a ball head rod. Clamping blocks are welded to the outer surface of the connecting block at equal intervals, clamping bases are welded to the top end of the ball pin base at equal intervals, third threaded holes are symmetrically formed in the clamping blocks, second threaded holes are symmetrically formed in the clamping bases, and the third threaded holes and the second threaded holes are connected through fastening bolts. The clamping block on the connecting block and the clamping base on the ball pin base are connected in a clamped mode, the connecting block is fixed to the ball pin base through the fastening bolt, and the fastening bolt does not involve main body stress, so that the requirement for locking torsion is low, the requirement for the floating range of the locking torsion value is low, and workers can conveniently disassemble and maintain the ball head; and the maintenance efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to automobile parts, in particular to an anti-deformation high-precision automobile ball head. Background Art

[0002] The car ball head is a connecting part between the car's steering gear and the steering wheel. It is one of the most critical accessories of a car and a safety part that ensures the steering and jumping of the steering wheel. The design and manufacturing level of the car ball head is directly reflected in the driving stability of the steering wheel. Poor design and manufacturing technology will cause problems such as loose steering wheel, shaking or difficulty in returning to the original position, and may even cause steering failure.

[0003] Most of the existing ball heads are assembled with bolts and ball pin seats. Although locking with bolts is reliable, this connection method requires extremely high balance of the locking force of each bolt, which leads to high requirements on the operator's skills and experience. In addition, disassembly and installation of multiple sets of bolts are also very time-consuming and labor-intensive, and difficult to disassemble, affecting maintenance efficiency. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes an anti-deformation high-precision automobile ball head to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A deformation-proof high-precision automobile ball head comprises a ball pin seat, a ball pin rod is welded to one end of the outer surface of the ball pin seat, a ball pin groove is provided inside the ball pin seat, a ball head is provided in the ball pin groove, a ball head rod is welded to the top of the ball head, a connecting mechanism is provided between the ball head and the ball pin seat, the connecting mechanism comprises a connecting block arranged on the ball head rod, clamping blocks are welded at equal distances on the outer surface of the connecting block, a clamping seat is welded at equal distances on the top of the ball pin seat, the clamping block and the clamping seat are clamped with each other, the clamping blocks are symmetrically provided with three threaded holes, the clamping seats are symmetrically provided with two threaded holes, the three threaded holes are connected to the two threaded holes by fastening bolts, and a dustproof mechanism is provided on the top of the connecting block.

[0007] Furthermore, in order to prevent impurities from entering the ball pin groove, the dustproof mechanism includes a convex ring welded on the top of the connecting block, and a dust cover is threadedly connected to the convex ring.

[0008] Furthermore, in order to facilitate the disassembly of the dust cover, an external thread is provided on the outer surface of the convex ring, and an internal thread is provided on the bottom end of the inner surface of the dust cover, and the internal thread matches the external thread.

[0009] Furthermore, in order to fix the ball head in the ball pin groove, a semicircular groove is opened at the center of the bottom end of the connecting block, and a hollow is opened at the center of the top end of the connecting block, and the hollow is communicated with the semicircular groove.

[0010] Furthermore, in order to limit the position of the ball head, the top end of the ball head rod passes through the semicircular groove and the hole in sequence, and the hole is adapted to the ball head rod.

[0011] Furthermore, in order to fix the connection block on the ball pin seat, threaded holes one are opened at equal distances on the top of the ball pin seat, and the fastening bolts pass through the threaded holes two and three in sequence and are threadedly connected with the threaded holes one.

[0012] The beneficial effects of the utility model are:

[0013] 1. The connecting block is fixed on the ball pin seat by clamping the clamping block on the connecting block and the clamping seat on the ball pin seat, and the fastening bolt passes through the threaded hole 2, the threaded hole 3 and the threaded hole 1 in sequence. Since the fastening bolt does not involve the main body force, the demand for locking torque is low, and the floating range of the locking torque value is relatively loose, which is convenient for personnel to disassemble and repair the ball head, further improving the maintenance efficiency.

[0014] 2. The dust cover is fixed on the connecting block by threading the dust cover with the convex ring, which effectively prevents foreign matter from entering the ball pin groove and affecting the accuracy of the ball head. The setting of the internal thread and the external thread makes it convenient for personnel to replace or maintain the dust cover, further improving the cleanliness of the ball pin groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of an anti-deformation high-precision automobile ball head according to an embodiment of the utility model;

[0017] Figure 2 It is a cross-sectional view of an anti-deformation high-precision automobile ball head according to an embodiment of the utility model;

[0018] Figure 3 This is a structural schematic diagram of a high-precision ball pin seat in an anti-deformation automobile ball head according to an embodiment of the utility model.

[0019] Figure 4It is a partial cross-sectional view of a connection mechanism in a deformation-resistant high-precision automobile ball head according to an embodiment of the utility model;

[0020] Figure 5 It is a partial cross-sectional view of a dust cover in a deformation-resistant and high-precision automobile ball head according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Ball pin seat; 2. Ball pin rod; 3. Ball pin groove; 4. Ball head; 5. Ball head rod; 6. Threaded hole one; 7. Clamping seat; 8. Threaded hole two; 9. Connecting mechanism; 901. Connecting block; 902. Semicircular groove; 903. Hollow; 904. Clamping block; 905. Threaded hole three; 906. Fastening bolt; 10. Dustproof mechanism; 1001. Protruding ring; 1002. External thread; 1003. Dust cover; 1004. Internal thread. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] According to an embodiment of the utility model, a deformation-resistant high-precision automobile ball head is provided.

[0025] Embodiment 1;

[0026] like Figure 1-Figure 4As shown, according to the embodiment of the utility model, the anti-deformation high-precision automobile ball head includes a ball pin seat 1, a ball pin rod 2 is welded on one end of the outer surface of the ball pin seat 1, a ball pin groove 3 is opened inside the ball pin seat 1, a ball head 4 is arranged in the ball pin groove 3, a ball head rod 5 is welded on the top of the ball head 4, the ball pin groove 3 is a hemispherical groove, and matches the lower bottom surface of the ball head 4, a connecting mechanism 9 is provided between the ball head 4 and the ball pin seat 1, and the connecting mechanism 9 includes a connecting block 901 arranged on the ball head rod 5, and the bottom center of the connecting block 901 A semicircular groove 902 is provided at the connection block 901, and the semicircular groove 902 is a hemispherical groove and matches the upper top surface of the ball head 4. A hole 903 is provided at the top center of the connection block 901, and the hole 903 is interconnected with the semicircular groove 902. The top of the ball head rod 5 passes through the semicircular groove 902 and the hole 903 in turn. The ball head rod 5 passes through the hole 903 and makes the upper top surface of the ball head 4 contact with the semicircular groove 902, thereby limiting the ball head 4. Blocks 904 are welded at equal distances on the outer surface of the connection block 901. The ball pin seat 1 A clamping seat 7 is welded at an equal distance on the top. By contacting the clamping block 904 with the clamping seat 7, the clamping block 904 and the clamping seat 7 are clamped together, so that the connecting block 901 is fixed on the ball pin seat 1. The clamping block 904 is symmetrically provided with threaded holes 3 905, and the clamping seat 7 is symmetrically provided with threaded holes 2 8. The top of the ball pin seat 1 is symmetrically provided with threaded holes 1 6. The fastening bolts 906 pass through the threaded holes 2 8, the threaded holes 3 905 and the threaded holes 1 6 in sequence, and are connected with the threaded holes 1 6, the threaded holes 2 8 and the threaded holes The three 905 threaded connection is achieved by mutually clamping the clamping block 904 on the connecting block 901 and the clamping seat 7 on the ball pin seat 1, and by the fastening bolt 906 passing through the threaded hole two 8, the threaded hole three 905 and the threaded hole one 6 in sequence, so as to fix the connecting block 901 on the ball pin seat 1. Since the fastening bolt 906 does not involve the main body force, the demand for locking torque is relatively low, and the floating range of the locking torque value is relatively loose, which is convenient for personnel to disassemble and repair the ball head 4, further improving the maintenance efficiency.

[0027] Embodiment 2:

[0028] See also Figure 1 , Figure 2 , Figure 4 and Figure 5In order to prevent impurities from entering the ball pin groove 3, a dustproof mechanism 10 is provided on the top of the connecting block 901. The dustproof mechanism 10 includes a convex ring 1001 welded on the top of the connecting block 901. A dust cover 1003 is threadedly connected to the convex ring 1001. In order to facilitate the removal of the dust cover 1003, an external thread 1002 is provided on the outer surface of the convex ring 1001. An internal thread 1004 is provided on the bottom end of the inner surface of the dust cover 1003. The internal thread 1004 matches the external thread 1002. The top of the ball head rod 5 passes through the dust cover 1003, so that a through hole is opened on the top of the dust cover 1003. The dust cover 1003 is threadedly connected with the convex ring 1001, so that the dust cover 1003 is fixed on the connecting block 901, which effectively prevents foreign impurities from entering the ball pin groove 3, thereby affecting the accuracy of the ball head 4. The setting of the internal thread 1004 and the external thread 1002 makes it convenient for personnel to replace or maintain the dust cover 1003, and further improves the cleanliness of the ball pin groove 3.

[0029] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0030] In actual application, first, the top end of the ball head rod 5 is passed through the semicircular groove 902 and the hole 903 on the connecting block 901 in turn, and the upper top surface of the ball head 4 is in contact with the semicircular groove 902. Secondly, the connecting block 901 is placed on the ball pin seat 1 and rotated so that the clamping block 904 is in contact with the clamping seat 7, and the clamping block 904 and the clamping seat 7 are clamped with each other. At this time, the fastening bolt 906 is passed through the threaded hole 2 8, the threaded hole 3 905 and the threaded hole 1 6 in turn, so that the connecting block 901 is fixed on the ball pin seat 1, and the lower bottom surface of the ball head 4 is in contact with the ball pin groove 3. Since the fastening bolt 906 does not involve the main body force Therefore, the demand for locking torque is low, and the floating range of the locking torque value is relatively loose, which makes it convenient for personnel to disassemble and repair the ball head 4, further improving the maintenance efficiency. Then, the through-hole on the dust cover 1003 is passed through the ball head rod 5, and the bottom end of the dust cover 1003 is threadedly connected with the convex ring 1001, so that the dust cover 1003 is fixed on the connecting block 901, effectively preventing external impurities from entering the ball pin groove 3, thereby affecting the accuracy of the ball head 4. The setting of the internal thread 1004 and the external thread 1002 makes it convenient for personnel to replace or maintain the dust cover 1003, further improving the cleanliness of the ball pin groove 3.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision automobile ball head with an anti-deformation property, comprising a ball pin seat (1), characterized in that: A ball pin rod (2) is welded to one end of the outer surface of the ball pin seat (1), a ball pin groove (3) is provided inside the ball pin seat (1), a ball head (4) is provided in the ball pin groove (3), a ball head rod (5) is welded to the top of the ball head (4), a connecting mechanism (9) is provided between the ball head (4) and the ball pin seat (1), the connecting mechanism (9) comprises a connecting block (901) arranged on the ball head rod (5), and the outer surface of the connecting block (901) is welded with A clamping block (904) is provided, and a clamping seat (7) is welded at an equal distance on the top of the ball pin seat (1). The clamping block (904) and the clamping seat (7) are clamped with each other. The clamping block (904) is symmetrically provided with threaded holes three (905), and the clamping seat (7) is symmetrically provided with threaded holes two (8). The threaded holes three (905) and the threaded holes two (8) are connected by fastening bolts (906). A dustproof mechanism (10) is provided on the top of the connecting block (901).

2. The anti-deformation high-precision automobile ball head according to claim 1, characterized in that: The dustproof mechanism (10) comprises a convex ring (1001) welded to the top end of the connection block (901), and a dustproof cover (1003) is threadedly connected to the convex ring (1001).

3. The anti-deformation high-precision automobile ball head according to claim 2, characterized in that: An external thread (1002) is provided on the outer surface of the convex ring (1001), and an internal thread (1004) is provided on the bottom end of the inner surface of the dust cover (1003), and the internal thread (1004) matches the external thread (1002).

4. The anti-deformation high-precision automobile ball head according to claim 1, characterized in that: A semicircular groove (902) is provided at the center of the bottom end of the connection block (901), and a hollow hole (903) is provided at the center of the top end of the connection block (901), wherein the hollow hole (903) is communicated with the semicircular groove (902).

5. The anti-deformation high-precision automobile ball head according to claim 4, characterized in that: The top end of the ball head rod (5) passes through the semicircular groove (902) and the hole (903) in sequence, and the hole (903) is adapted to the ball head rod (5).

6. The anti-deformation high-precision automobile ball head according to claim 1, characterized in that: The top of the ball pin seat (1) is provided with threaded holes (6) at equal distances, and the fastening bolts (906) pass through the threaded holes (8) and the threaded holes (905) in sequence and are threadedly connected with the threaded holes (6).

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