Automatic hub locking device

Abstract

The utility model relates to the technical field of hub fixing equipment, and discloses an automatic hub locking device which comprises an installation base and a locking assembly for locking a hub, and the locking assembly is installed on the installation base. The mounting base comprises a mounting shell and a connecting seat, the connecting seat is mounted in the mounting shell, a push-pull rod is mounted on the inner wall of the mounting shell, and the push-pull rod is located in the connecting seat; the locking assembly comprises a connecting base and a fastening shaft, the connecting base is installed on the end face of the connecting base, one end of the fastening shaft penetrates through the connecting base to be connected with the telescopic end of the push-pull rod, a limiting part is arranged on the connecting base, and a buffering isolation pad is installed on the surface of the limiting part. According to the automatic hub locking device, through the arrangement of the locking assembly, the mounting base and the push-pull rod, the mode that the push-pull rod on a tire changer drives the fastening shaft to move and the fastening shaft drives the locking cone to press a hub flange is adopted, compared with a manual nut screwing mode, the efficiency is high, the clamping force is large, a hub is limited, and slipping in the hub is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel hub fixing equipment technical field, concretely is a kind of automatic locking wheel hub device. BACKGROUND

[0002] Wheel hub is the bucket shape of tire inner profile support tire, center is installed on the metal component of shaft, also called wheel rim, steel ring, axle, tire bell, wheel hub and tire complete processing, need to be fixed to tire dismounting machine on wheel hub, to wheel hub and tire are assembled.

[0003] Wheel hub clamping device adopts manual nut tightening mode, not only consumes manpower, and efficiency is low, and tightness is different, extremely possible to cause tire to slip when rotating. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides an automatic locking wheel hub device, solves the problems mentioned in the above background.

[0005] The utility model provides the following technical scheme: an automatic locking wheel hub device, comprising: mounting base and locking assembly of locking wheel hub, the locking assembly is installed on mounting base;

[0006] Mounting base includes installation shell and link seat, the link seat is installed in the inside of installation shell, the inner wall of installation shell is equipped with push-pull rod, and push-pull rod is located in the inside of link seat;

[0007] Locking assembly includes connecting seat and fastening shaft, the connecting seat is installed at the end face of link seat, one end of fastening shaft passes through connecting seat and is connected with the telescopic end of push-pull rod, limiting portion is provided on connecting seat, buffer spacer is installed on the surface of limiting portion, locking cone is installed on the surface of fastening shaft, fixed tube is provided on the inner wall of locking cone, installation slot is provided on the surface of fixed tube, locking tongue is installed on the inner wall of installation slot, a plurality of lock slots are provided on the surface of fastening shaft, and the locking tongue is clamped in the inner wall of lock slot.

[0008] Preferably, the connecting seat includes support pipe, the limiting portion is integrally connected with the support pipe, a plurality of support feet are uniformly distributed on the end face of the support pipe along the circumference, a plurality of positioning holes are provided on the surface of the plurality of support feet, a positioning column is provided on the end face of the link seat corresponding to the position of the positioning hole on the support foot, the positioning column is inserted into the inner wall of the positioning hole, an anti-underrun device is installed on the surface of the positioning column, and the anti-underrun device is connected to the support foot.

[0009] Preferably, a plurality of first threaded holes are provided on the surface of the plurality of support feet, a limiting screw is installed on the inner wall of the positioning column, one end of the anti-underrun device is clamped on the surface of the limiting screw, a first bolt is installed on the anti-underrun device, and one end of the first bolt is connected with the inner wall of the first threaded hole.

[0010] Preferably, the surface of the limiting part is provided with a plurality of second threaded holes, the surface of the buffer spacer is provided with a plurality of limiting holes, and the inner wall of the limiting hole is connected with a second bolt, one end of the second bolt is screwed with the inner wall of the second threaded hole, and the surface of the limiting part is connected with a positioning bolt.

[0011] Preferably, the inner wall of the mounting groove is provided with a connecting hole, the surface of the lock tongue is connected with a rotating shaft, the surface of the rotating shaft is connected with the inner wall of the connecting hole, one end of the lock tongue is provided with a pull piece, and the pull piece is located outside the fixed tube.

[0012] Preferably, the surface of the connecting seat is connected with a limiting plate, the inner wall of the mounting shell is provided with a limiting groove, and the limiting plate is connected to the inner wall of the limiting groove.

[0013] Compared with the prior art, the automatic locking hub device has the following beneficial effects:

[0014] The automatic locking hub device has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the automatic locking hub device clamping the hub structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the automatic locking hub device three-dimensional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the fastening shaft installation structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the positioning column structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the connecting seat installation structure of the utility model;

[0020] Figure 6 It is a schematic diagram of the locking assembly exploded structure of the utility model;

[0021] Figure 7 It is a schematic diagram of the connecting hole and limiting screw structure of the utility model;

[0022] Figure 8 It is a schematic diagram of the lock tongue structure of the utility model;

[0023] Figure 9 It is a schematic diagram of the mounting base cross-section structure of the utility model.

[0024] In the figure: 1, hub; 2, tire; 3, locking assembly; 31, connecting seat; 311, support pipe; 312, support foot; 313, positioning hole; 32, fastening shaft; 33, limiting part; 34, buffer spacer; 35, locking cone; 36, fixed pipe; 37, mounting groove; 38, lock tongue; 39, lock slot; 4, mounting base; 41, mounting shell; 42, adapter seat; 5, push-pull rod; 6, positioning column; 7, anti-pulling-off buckle; 8, first threaded hole; 9, limiting screw; 10, first bolt; 11, second threaded hole; 12, limiting hole; 13, second bolt; 14, positioning bolt; 15, connecting hole; 16, rotating shaft; 17, push piece; 18, limiting plate; 19, limiting groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-9 An automatic locking hub device comprises a locking assembly 3 of a locking hub 1 and a mounting base 4, and the locking assembly 3 is mounted on the mounting base 4.

[0027] The mounting base 4 comprises a mounting shell 41 and an adapter seat 42, the adapter seat 42 is mounted inside the mounting shell 41, a push-pull rod 5 is mounted on the inner wall of the mounting shell 41, and the push-pull rod 5 is located inside the adapter seat 42.

[0028] The locking assembly 3 comprises a connecting seat 31 and a fastening shaft 32, the connecting seat 31 is mounted on the end face of the adapter seat 42, one end of the fastening shaft 32 is connected with the telescopic end of the push-pull rod 5 through the connecting seat 31, a limiting part 33 is arranged on the connecting seat 31, a buffer spacer 34 is mounted on the surface of the limiting part 33, a locking cone 35 is mounted on the surface of the fastening shaft 32, a fixed pipe 36 is arranged on the inner wall of the locking cone 35, a mounting groove 37 is formed on the surface of the fixed pipe 36, a lock tongue 38 is mounted on the inner wall of the mounting groove 37, a plurality of lock slots 39 are formed on the surface of the fastening shaft 32, and the lock tongue 38 is clamped on the inner wall of the lock slot 39.

[0029] The connecting seat 31 comprises a support pipe 311, the limiting part 33 is integrally connected with the support pipe 311, the end surface of the support pipe 311 is uniformly distributed with a plurality of supporting feet 312 along the circumference, the surfaces of the plurality of supporting feet 312 are each provided with a positioning hole 313, the end surface of the connecting seat 42 is provided with a positioning column 6 corresponding to the position of the positioning hole 313 on the supporting foot 312, the positioning column 6 is inserted into the inner wall of the positioning hole 313, the surface of the positioning column 6 is provided with an anti-unhooking buckle 7, and the anti-unhooking buckle 7 is connected to the supporting foot 312.

[0030] The surfaces of the plurality of supporting feet 312 are provided with a first threaded hole 8, the inner wall of the positioning column 6 is provided with a limiting screw 9, one end of the anti-unhooking buckle 7 is clamped to the surface of the limiting screw 9, the anti-unhooking buckle 7 is provided with a first bolt 10, and one end of the first bolt 10 is connected to the inner wall of the first threaded hole 8.

[0031] The surface of the limiting part 33 is provided with a plurality of second threaded holes 11, the surface of the buffer spacer 34 is provided with a plurality of limiting holes 12, and the inner wall of the limiting hole 12 is connected with a second bolt 13, one end of the second bolt 13 is screwed to the inner wall of the second threaded hole 11, and the surface of the limiting part 33 is connected with a positioning bolt 14.

[0032] The inner wall of the mounting groove 37 is provided with a connecting hole 15, the surface of the lock tongue 38 is connected with a rotating shaft 16, the surface of the rotating shaft 16 is connected with the inner wall of the connecting hole 15, one end of the lock tongue 38 is provided with a push piece 17, and the push piece 17 is located outside the fixed pipe 36.

[0033] The mounting shell 41 of the mounting base 4 is mounted to the tire changing machine, the fastening shaft 32 is mounted to the push-pull rod 5, the push-pull rod 5 is a hydraulic telescopic push-pull rod 5, the center hole of the connecting seat 31 passes through the fastening 12, the supporting feet 312 of the connecting seat 31 are in contact with the fixed seat, the positioning hole 313 of the supporting feet 312 is inserted with the positioning column 6 on the fixed seat, the connecting seat 31 is positioned, one end of the anti-unhooking buckle 7 is mounted on the positioning column 6 by using the limiting screw 9, the other end of the anti-unhooking buckle 7 is mounted on the supporting feet 312 by using the first bolt 10, the center hole of the hub 1 passes through the fastening shaft 32, and the positioning bolt 14 passes through the fastening bolt hole of the hub 1, so that the tire 2 can be positioned in the circumferential direction, the center hole of the locking cone 35 passes through the fastening shaft 32, and the locking cone 35 is tightly close to the flange of the hub 1, the lock tongue 38 is pushed into the trapezoidal lock groove 39 of the fastening shaft 32, and the lock tongue 38 is axially limited, the oil cylinder of the tire changing machine is retracted, the fastening shaft 32 is pulled back through the push-pull rod 5, the locking cone 35 is pressed against the flange of the hub 1, and automatic locking is realized.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic locking hub apparatus, comprising: Include: Locking assembly (3) and mounting base (4) of locking hub (1), the locking assembly (3) is installed on the mounting base (4); The mounting base (4) comprises a mounting shell (41) and a connecting seat (42), the connecting seat (42) is installed inside the mounting shell (41), the inner wall of the mounting shell (41) is provided with a push-pull rod (5), and the push-pull rod (5) is located inside the connecting seat (42); The locking assembly (3) comprises a connecting seat (31) and a fastening shaft (32), the connecting seat (31) is installed on the end face of the connecting seat (42), one end of the fastening shaft (32) passes through the connecting seat (31) and is connected with the telescopic end of the push-pull rod (5), the connecting seat (31) is provided with a limiting part (33), the surface of the limiting part (33) is provided with a buffer spacer (34), the surface of the fastening shaft (32) is provided with a locking cone (35), the inner wall of the locking cone (35) is provided with a fixed tube (36), the surface of the fixed tube (36) is provided with a mounting groove (37), the inner wall of the mounting groove (37) is provided with a lock tongue (38), the surface of the fastening shaft (32) is provided with a plurality of lock grooves (39), and the lock tongue (38) is clamped on the inner wall of the lock groove (39).

2. An automatic locking hub assembly as set forth in claim 1, wherein, The connecting seat (31) comprises a supporting tube (311), the limiting part (33) is integrally connected with the supporting tube (311), the end face of the supporting tube (311) is uniformly distributed with a plurality of supporting feet (312) along the circumference, the surfaces of the plurality of supporting feet (312) are provided with positioning holes (313), the end face of the connecting seat (42) is provided with a positioning column (6) corresponding to the position of the positioning hole (313) on the supporting foot (312), the positioning column (6) is inserted into the inner wall of the positioning hole (313), the surface of the positioning column (6) is provided with an anti-unhooking buckle (7), and the anti-unhooking buckle (7) is connected to the supporting foot (312).

3. An automatic locking hub assembly as set forth in claim 2, wherein, The surfaces of the plurality of supporting feet (312) are provided with first threaded holes (8), the inner wall of the positioning column (6) is provided with a limiting screw (9), one end of the anti-unhooking buckle (7) is clamped on the surface of the limiting screw (9), a first bolt (10) is installed on the anti-unhooking buckle (7), and one end of the first bolt (10) is connected with the inner wall of the first threaded hole (8).

4. An automatic locking hub apparatus as set forth in claim 1 wherein, The surface of the limiting part (33) is provided with a plurality of second threaded holes (11), the surface of the buffer spacer (34) is provided with a plurality of limiting holes (12), and the inner wall of the limiting hole (12) is connected with a second bolt (13), one end of the second bolt (13) is screwed with the inner wall of the second threaded hole (11), and the surface of the limiting part (33) is connected with a positioning latch (14).

5. An automatic locking hub apparatus as set forth in claim 1 wherein, The inner wall of the mounting groove (37) is provided with a connecting hole (15), the surface of the lock tongue (38) is connected with a rotating shaft (16), the surface of the rotating shaft (16) is connected with the inner wall of the connecting hole (15), one end of the lock tongue (38) is provided with a tab (17), and the tab (17) is located outside the fixed tube (36).

6. An automatic locking hub apparatus as set forth in claim 1 wherein, The surface of the adapter seat (42) is connected with a limiting plate (18), and the inner wall of the mounting shell (41) is provided with a limiting groove (19), and the limiting plate (18) is connected to the inner wall of the limiting groove (19).

Images