Bearing seat with locking mechanism

Abstract

The utility model discloses a bearing seat with a locking mechanism, and relates to the technical field of bearing seats. According to the bearing seat with the locking mechanism, a rotary knob is rotated to enable a rotating shaft to drive a worm to rotate, a worm gear drives a transmission shaft and two bevel gears II to rotate, so that a bevel gear I drives a bidirectional lead screw to rotate, and two locking blocks are driven to slide along a movable groove to get close to each other until the locking blocks are tightly attached to the upper side and the lower side of an inner ring; in the rotating process of the rotary knob, the rotating shaft drives the ratchet wheel to rotate, the clamping block slides along the sliding groove under the cooperation of the spring, one-way locking of the ratchet wheel is achieved, the locking stability is improved, and when locking of the inner ring needs to be relieved, the pull ring is pulled to enable the sliding rod to drive the rear end of the clamping block to be separated from the outer side of the ratchet wheel. When one-way locking of the ratchet wheel is released, the rotary knob can be reversely rotated to drive the two-way lead screw, the two locking blocks are driven to be separated from the outer side of the inner ring, and quick release of locking is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing seats, in particular to a bearing seat with a locking mechanism. Background Art

[0002] Where there is a bearing, there must be a support point. The inner support point of the bearing is the shaft, and the outer support is what is commonly known as the bearing seat. The bearing seat has the characteristics of compact structure, flexible rotation, easy installation and maintenance, and is widely used in various mechanical structures.

[0003] For example, publication number CN209195969U discloses a bearing seat with a limit locking function, including a main body, a limit shaft, a slot, a built-in ring, a slide groove and a ball, wherein a fixed shell is installed inside the main body, the limit shaft is embedded in the inner wall of the fixed shell, and a limit tooth is installed on the limit shaft close to the fixed shell, the slot is arranged on the limit tooth, the built-in ring is wrapped inside the fixed shell, and a saw tooth is fixed on one side of the body wall of the built-in ring close to the limit tooth; the slide groove is arranged in one side of the body wall of the built-in ring, and the ball is embedded in the slide groove; the bearing seat with a limit locking function is provided with a structure that changes the rotation structure inside the bearing seat, so that the bearing seat can not only meet the rotation, but also lock the bearing seat at any position of use when reversing, so that the bearing seat that originally needs to be locked by external force can solve the locking problem by itself, and the operation is very simple, and it only needs to reverse the built-in ring at the position where it needs to be locked;

[0004] The bearing seat with a locking mechanism in the utility model lacks a locking function for forward rotation, resulting in limitations in the locking of the bearing seat and a lack of flexibility in use. In addition, the locking mechanism is subject to significant wear and tear during use, which affects the service life of the bearing seat. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a bearing seat with a locking mechanism, which solves the problem that the bearing seat with a locking mechanism lacks the locking function for forward rotation, resulting in limitations in the locking of the bearing seat, lack of flexibility in use, and large wear and tear on the locking mechanism during use, thereby affecting the service life of the bearing seat.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a bearing seat with a locking mechanism, comprising a mounting seat, an inner ring is provided at the upper end of the mounting seat, a locking bin is provided on the outer side of the inner ring, an outer ring is provided on the front and rear sides of the locking bin, a movable groove is opened on the inner side of the locking bin, a two-way lead screw is provided on the inner side of the movable groove, locking blocks are provided on the inner side of the movable groove at the upper and lower ends of the inner ring, a transmission bin is provided at the upper end of the movable groove, a transmission shaft is provided on the inner side of the transmission bin, an adjusting bin is provided at the upper end of the locking bin, a knob is rotatably connected to the upper end of the adjusting bin, a worm is provided on the lower end of the knob extending to the inner side of the transmission bin, a ratchet is provided on the inner side of the adjusting bin, a clamping block is provided on the front side of the ratchet, and a pull ring is provided on the front side of the adjusting bin.

[0007] Preferably, the lower end of the outer ring is fixedly connected to the mounting seat, the inner side of the outer ring is connected to the inner ring through ball sliding, and the inner side of the movable groove and the inner ring are adapted to each other, which facilitates the rotation of the inner ring and the installation of the bearing seat.

[0008] Preferably, the two bidirectional lead screws are symmetrically arranged on the left and right, the two locking blocks are symmetrically arranged on the top and bottom, and are slidingly connected to the inner side of the movable groove, the left and right ends of the locking block are threadedly connected to the surface of the bidirectional lead screw, and the locking block and the upper and lower sides of the inner ring are adapted to each other, so as to facilitate locking of the inner ring.

[0009] Preferably, the lower end of the bidirectional lead screw is rotatably connected to the inner side of the movable groove, the upper end of the bidirectional lead screw extends to the inner side of the transmission bin and is fixedly installed with a bevel gear 1, the left and right ends of the transmission shaft are rotatably connected to the inner side of the transmission bin, and the outer side of the transmission shaft is connected to bevel gear 1 through bevel gear 2, thereby realizing the transmission of the bidirectional lead screw to the transmission shaft.

[0010] Preferably, the upper and lower ends of the worm are rotatably connected to the inner side of the transmission bin, a worm wheel is fixedly mounted on the outer side of the transmission shaft, the worm wheel and the worm are meshed with each other, the upper end of the worm and the lower end of the knob are fixedly connected via a rotating shaft, and the ratchet wheel is fixedly connected to the outer side of the rotating shaft, thereby realizing the transmission of the transmission shaft by the worm.

[0011] Preferably, the rear end of the card block and the outer side of the ratchet are adapted to each other, the front end of the card block and the inner side of the adjusting bin are slidably connected via a slide groove, a sliding rod is fixedly installed at the front end of the card block, the front end of the sliding rod extends to the outer side of the adjusting bin through a through hole, and is fixedly connected to the pull ring, so as to facilitate pulling the card block out of the ratchet.

[0012] Preferably, a spring is sleeved on the outer side of the sliding rod, the rear end of the spring is fixedly connected to the rear side of the block, and the front end of the spring is fixedly connected to the inner side of the slide groove, so as to facilitate the resetting of the block. Beneficial Effects

[0013] The utility model provides a bearing seat with a locking mechanism. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The bearing seat with a locking mechanism is provided with an inner ring, an outer ring, a ball, a movable groove, a bidirectional lead screw, a bevel gear 1, a locking block, a transmission shaft, a bevel gear 2, a worm wheel, a knob, a rotating shaft, and a worm. The knob is turned to make the rotating shaft drive the worm to rotate, so that the worm wheel drives the transmission shaft and the two bevel gears 2 to rotate, so that the bevel gear 1 drives the bidirectional lead screw to rotate, thereby driving the two locking blocks to slide along the movable groove and approach each other until they are tightly fitted with the upper and lower sides of the inner ring, thereby locking and fixing the inner ring.

[0015] 2. The bearing seat with a locking mechanism is provided with a knob, a ratchet, a block, a slide groove and a spring. When the knob is turned, the rotating shaft drives the ratchet to rotate, and the block slides along the slide groove with the cooperation of the spring to achieve one-way locking of the ratchet, thereby increasing the locking stability.

[0016] 3. The bearing seat with a locking mechanism is provided with a knob, a ratchet, a block, a slide groove, a slide rod, a spring, a pull ring, a bidirectional screw and a locking block. When the inner ring needs to be released from the lock, the pull ring is pulled to make the slide rod drive the rear end of the block to disengage from the outer side of the ratchet, thereby releasing the one-way lock of the ratchet. The knob can then be rotated in the reverse direction to transmit the bidirectional screw, thereby driving the two locking blocks to disengage from the outer side of the inner ring, thereby realizing rapid release of the lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a front view half-section structure schematic diagram of the utility model.

[0019] Figure 3 It is a right side half-section structural schematic diagram of the utility model.

[0020] Figure 4 It is a schematic diagram of the half-section structure of the utility model in the AA direction.

[0021] In the figure: 1. mounting seat; 2. inner ring; 3. locking chamber; 4. outer ring; 41. ball bearing; 5. movable groove; 6. bidirectional screw; 61. bevel gear one; 7. locking block; 8. transmission chamber; 9. transmission shaft; 91. bevel gear two; 92. worm gear; 10. adjustment chamber; 11. knob; 111. rotating shaft; 12. worm; 13. ratchet; 14. block; 141. slide groove; 142. slide rod; 143. spring; 15. pull ring. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 The utility model provides a technical solution: a bearing seat with a locking mechanism, comprising a mounting seat 1, an inner ring 2 is arranged at the upper end of the mounting seat 1, a locking chamber 3 is arranged outside the inner ring 2, an outer ring 4 is arranged on the front and rear sides of the locking chamber 3, a movable groove 5 is opened on the inner side of the locking chamber 3, the lower end of the outer ring 4 is fixedly connected to the mounting seat 1, the inner side of the outer ring 4 and the inner ring 2 are slidably connected by balls 41, the inner side of the movable groove 5 and the inner ring 2 are adapted to each other, the mounting seat 1 is fixed in a suitable position by bolts, the fixed installation of the bearing seat is realized, and the positive and negative rotation of the inner ring 2 is realized by the rolling of the balls 41 on the inner side of the outer ring 4;

[0024] A bidirectional lead screw 6 is provided on the inner side of the movable groove 5, and locking blocks 7 are provided on the upper and lower ends of the inner side of the inner ring 2. Two bidirectional lead screws 6 are symmetrically provided on the left and right sides, and two locking blocks 7 are symmetrically provided on the upper and lower sides, and are slidingly connected to the inner side of the movable groove 5. The left and right ends of the locking block 7 are threadedly connected to the surface of the bidirectional lead screw 6, and the locking block 7 and the upper and lower sides of the inner ring 2 are adapted to each other. A transmission bin 8 is provided on the upper end of the movable groove 5, and a transmission shaft 9 is provided on the inner side of the transmission bin 8. The lower end of the bidirectional lead screw 6 is rotatably connected to the inner side of the movable groove 5, and the upper end of the bidirectional lead screw 6 extends to the inner side of the transmission bin 8 and is fixedly installed with a bevel gear 1 61, the left and right ends of the transmission shaft 9 are rotatably connected to the inner side of the transmission bin 8, the outer side of the transmission shaft 9 is transmission-connected to the bevel gear 1 61 through the bevel gear 2 91, and the upper end of the locking bin 3 An adjusting bin 10 is provided, and a knob 11 is rotatably connected to the upper end of the adjusting bin 10. The lower end of the knob 11 extends to the inner side of the transmission bin 8 and a worm 12 is provided. The upper and lower ends of the worm 12 are rotatably connected to the inner side of the transmission bin 8. A worm wheel 92 is fixedly installed on the outer side of the transmission shaft 9. The worm wheel 92 and the worm 12 are meshed with each other. The upper end of the worm 12 and the lower end of the knob 11 are fixedly connected through a rotating shaft 111. The ratchet 13 is fixedly connected to the outer side of the rotating shaft 111. The rotating shaft 111 drives the worm 12 to rotate by rotating the knob 11, so that the worm wheel 92 drives the transmission shaft 9 and the two bevel gears 91 to rotate, so that the bevel gear 1 61 drives the bidirectional lead screw 6 to rotate, thereby driving the two locking blocks 7 to slide along the movable groove 5 and approach each other until they are tightly fitted with the upper and lower sides of the inner ring 2, thereby realizing the locking and fixing of the inner ring 2;

[0025] A ratchet 13 is provided on the inner side of the adjusting chamber 10, a block 14 is provided on the front side of the ratchet 13, a pull ring 15 is provided on the front side of the adjusting chamber 10, the rear end of the block 14 and the outer side of the ratchet 13 are adapted to each other, the front end of the block 14 and the inner side of the adjusting chamber 10 are slidably connected through a slide groove 141, a slide rod 142 is fixedly installed on the front end of the block 14, the front end of the slide rod 142 extends to the outer side of the adjusting chamber 10 through a through hole, and is fixedly connected to the pull ring 15, a spring 143 is sleeved on the outer side of the slide rod 142, the rear end of the spring 143 is fixedly connected to the rear side of the block 14, and the front end of the spring 143 is fixedly connected to the rear side of the block 14. The end is fixedly connected to the inner side of the slide groove 141. During the rotation of the knob 11, the rotating shaft 111 drives the ratchet 13 to rotate, and the block 14 slides along the slide groove 141 with the cooperation of the spring 143, thereby realizing the one-way locking of the ratchet 13, increasing the stability of the locking. When it is necessary to release the lock on the inner ring 2, the pull ring 15 is pulled to make the slide rod 142 drive the rear end of the block 14 to disengage from the outer side of the ratchet 13, thereby releasing the one-way locking of the ratchet 13, and then the knob 11 can be rotated in the reverse direction to transmit the two-way screw 6, thereby driving the two locking blocks 7 to disengage from the outer side of the inner ring 2, thereby realizing the quick release of the lock.

[0026] During use, bolts are used to fix the mounting seat 1 in a suitable position to achieve fixed installation of the bearing seat, and the positive and negative rotation of the inner ring 2 is achieved by rolling the ball 41 on the inner side of the outer ring 4. When the inner ring 2 needs to be locked, the rotating shaft 111 drives the worm 12 to rotate by turning the knob 11, so that the worm wheel 92 drives the transmission shaft 9 and the two bevel gears 91 to rotate, so that the bevel gear 1 61 drives the bidirectional lead screw 6 to rotate, thereby driving the two locking blocks 7 to slide along the movable groove 5 and approach each other until they are tightly fitted with the upper and lower sides of the inner ring 2, so as to achieve locking of the inner ring 2. The locking is fixed. During the rotation of the knob 11, the rotating shaft 111 drives the ratchet 13 to rotate, and the block 14 slides along the slide groove 141 with the cooperation of the spring 143, thereby realizing the one-way locking of the ratchet 13, and increasing the stability of the locking. When it is necessary to release the lock on the inner ring 2, the pull ring 15 is pulled to make the slide rod 142 drive the rear end of the block 14 to disengage from the outer side of the ratchet 13, thereby releasing the one-way lock on the ratchet 13, and then the knob 11 can be rotated in the reverse direction to transmit the two-way screw 6, thereby driving the two locking blocks 7 to disengage from the outer side of the inner ring 2, thereby realizing the quick release of the lock.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bearing seat with a locking mechanism, comprising a mounting seat (1), characterized in that: The upper end of the mounting seat (1) is provided with an inner ring (2), a locking chamber (3) is provided outside the inner ring (2), outer rings (4) are provided at the front and rear sides of the locking chamber (3), a movable groove (5) is provided inside the locking chamber (3), a bidirectional lead screw (6) is provided inside the movable groove (5), locking blocks (7) are provided inside the movable groove (5) at the upper and lower ends of the inner ring (2), a transmission chamber (8) is provided at the upper end of the movable groove (5), and the transmission chamber (8) is provided at the upper end of the movable groove (5). A transmission shaft (9) is arranged on the inner side of the moving bin (8), an adjusting bin (10) is arranged on the upper end of the locking bin (3), the upper end of the adjusting bin (10) is rotatably connected to a knob (11), the lower end of the knob (11) extends to the inner side of the transmission bin (8) and is provided with a worm (12), a ratchet (13) is arranged on the inner side of the adjusting bin (10), a clamping block (14) is arranged on the front side of the ratchet (13), and a pull ring (15) is arranged on the front side of the adjusting bin (10).

2. A bearing seat with a locking mechanism according to claim 1, characterized in that: The lower end of the outer ring (4) is fixedly connected to the mounting seat (1), the inner side of the outer ring (4) is slidably connected to the inner ring (2) via a ball (41), and the inner side of the movable groove (5) and the inner ring (2) are mutually adapted.

3. The bearing seat with a locking mechanism according to claim 1, characterized in that: The two bidirectional lead screws (6) are symmetrically arranged on the left and right sides, and the two locking blocks (7) are symmetrically arranged on the top and bottom sides, and are slidably connected to the inner side of the movable groove (5). The left and right ends of the locking blocks (7) are threadedly connected to the surface of the bidirectional lead screw (6), and the upper and lower sides of the locking blocks (7) and the inner ring (2) are adapted to each other.

4. The bearing seat with a locking mechanism according to claim 1, characterized in that: The lower end of the bidirectional lead screw (6) is rotatably connected to the inner side of the movable groove (5); the upper end of the bidirectional lead screw (6) extends to the inner side of the transmission bin (8) and is fixedly mounted with a bevel gear 1 (61); the left and right ends of the transmission shaft (9) are rotatably connected to the inner side of the transmission bin (8); the outer side of the transmission shaft (9) is transmission-connected to the bevel gear 1 (61) via a bevel gear 2 (91).

5. The bearing seat with a locking mechanism according to claim 1, characterized in that: The upper and lower ends of the worm (12) are rotatably connected to the inner side of the transmission chamber (8); a worm wheel (92) is fixedly mounted on the outer side of the transmission shaft (9); the worm wheel (92) and the worm (12) are meshed with each other; the upper end of the worm (12) and the lower end of the knob (11) are fixedly connected via a rotating shaft (111); and the ratchet wheel (13) is fixedly connected to the outer side of the rotating shaft (111).

6. The bearing seat with a locking mechanism according to claim 1, characterized in that: The rear end of the clamping block (14) and the outer side of the ratchet (13) are adapted to each other, the front end of the clamping block (14) and the inner side of the regulating chamber (10) are slidably connected via a sliding groove (141), a sliding rod (142) is fixedly mounted on the front end of the clamping block (14), the front end of the sliding rod (142) extends through a through hole to the outer side of the regulating chamber (10), and is fixedly connected to the pull ring (15).

7. A bearing seat with a locking mechanism according to claim 6, characterized in that: A spring (143) is sleeved on the outer side of the sliding rod (142); the rear end of the spring (143) is fixedly connected to the rear side of the clamping block (14); and the front end of the spring (143) is fixedly connected to the inner side of the sliding groove (141).

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