Anti-fracture check ring for shaft
By designing a retaining block, a return spring, and a cover plate structure on the shaft retaining ring, the problem of easy detachment of the retaining ring in the prior art is solved, achieving stable installation and improving practicality.
Patent Information
- Application Number
- CN202520477869.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-18
AI Technical Summary
The existing shaft retaining ring is prone to accidentally touching the pressing plate, causing the positioning rod to disengage from the positioning hole, resulting in the first and second mating blocks being unable to be limited and easily disengaging from the groove shaft.
The design incorporates a retaining ring for the anti-breakage shaft, using a first and second mating block at both ends of the retaining ring body. It also includes a locking block, a return spring, and a cover plate structure. The locking block is securely connected by screws to prevent it from coming loose.
This design achieves stable installation of the retaining ring within the grooved shaft, preventing accidental detachment and improving the practicality and stability of the retaining ring.
Smart Images

Figure CN223609240U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a retaining ring technical field especially, relates to a kind of retaining ring for preventing fracture of shaft. BACKGROUND
[0002] It is known that the shaft retaining ring is installed on the groove shaft, which prevents the axial movement of the parts on the shaft, when the shaft retaining ring is installed, the retaining ring opening is opened by a certain angle, and then pushed into the retaining ring groove on the groove shaft. Generally, special retaining ring pliers are needed, and the front section of the retaining ring pliers is inserted into the two semicircular arcs of the retaining ring to open the retaining ring, and then installed on the groove shaft.
[0003] For example, the authorized announcement number "CN218235753U" is named stable anti-fracture shaft retaining ring, which can provide a positioning effect between the first and second butt blocks by the cooperation of the positioning rod and the positioning hole, and can provide a limiting effect for the positioning rod in the positioning hole by the cooperation of the clamping block and the clamping groove, thereby providing a limiting effect between the first and second butt blocks, making the retaining ring body more stable during use, so that the retaining ring body will not be separated from the inside of the groove shaft, thereby improving the practicality of the structure.
[0004] The above and prior art have the following defects: the shaft retaining ring is easily touched by mistake, the push rod is pressed against the clamping block, the positioning rod is separated from the positioning hole, the first and second butt blocks of the shaft retaining ring cannot be limited, and the shaft retaining ring is easily separated from the inside of the groove shaft. INVENTION CONTENTS
[0005] The utility model aims at solving the defects in the prior art, and provides a retaining ring for preventing fracture of shaft.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] The utility model provides a kind of anti-breaking shaft with check ring, including check ring body, the first butt joint block, second butt joint block are separately provided with in check ring body two ends, first butt joint block surface is equipped with first through-hole, second butt joint block surface is equipped with second through-hole, first butt joint block right side surface is equipped with locating groove, second butt joint block left side surface is equipped with locating block, the surface of locating block is equipped with T-shaped slot, T-shaped slot inner wall is slidably connected with pedestal, the upper surface of pedestal is equipped with clamping block, clamping block upper end penetrates T-shaped slot, the lower surface of pedestal is equipped with two reset springs, the upper surface of first butt joint block and second butt joint block is equipped with installation groove, the inner wall of installation groove is detachably connected with first cover plate or second cover plate, the lower surface of first cover plate is equipped with the first accommodating groove matched with clamping block, the lower surface of second cover plate is equipped with top block, the position of top block on second cover plate is same with the position of first accommodating groove on first cover plate, the lower inner wall of installation groove on first butt joint block is equipped with clamping through-hole, clamping through-hole is arranged directly above T-shaped slot and is matched with clamping block, the lower inner wall of installation groove on second butt joint block is equipped with second accommodating groove, and second accommodating groove is matched with top block.
[0008] Preferably, the upper surface of the first cover plate and the second cover plate is provided with a plurality of hidden grooves, and a plurality of screws are slidably connected to the lower inner wall of the hidden grooves.
[0009] Preferably, the inner wall of the first through-hole and the second through-hole is annularly provided with a plurality of reinforcing ribs.
[0010] Preferably, the upper surface of the clamping block is arc-shaped, and the lower surface of the top block is arc-shaped.
[0011] Preferably, the upper and lower inner walls of the T-shaped slot are provided with two limiting columns, and the pedestal is slidably connected with the two limiting columns.
[0012] Preferably, the left side surface of the locating block is provided with an inclined surface, which is inclined upward from left to right.
[0013] The anti-breaking shaft check ring has the beneficial effects that: after the shaft check ring is installed in the groove shaft, the screws are unscrewed, the first cover plate and the second cover plate are exchanged, and then they are fastened by screws. At this time, the pedestal on the lower surface of the clamping block is compressed by the reset spring, so that the clamping block passes through the clamping through-hole and extends into the first accommodating groove. The above fixing method does not worry about being easily touched, the first butt joint block and the second butt joint block are connected firmly, and the check ring body is ensured not to be separated from the inside of the groove shaft, thereby improving the practicability of the shaft check ring. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model before installation.
[0015] Figure 2 It is the structure section view of A-A position of the utility model;
[0016] Figure 3 It is the structure schematic diagram of after installing of the utility model;
[0017] Figure 4 It is the structure section view of B-B position of the utility model;
[0018] Figure 5 It is the enlarged view of C position of the utility model.
[0019] In the figure: baffle ring body 1, first butt joint block 2, first through hole 201, second butt joint block 3, second through hole 301, positioning groove 4, positioning block 5, T-shaped slot 6, base 7, clamping block 8, reset spring 9, installation groove 10, first cover plate 11, second cover plate 12, first containing groove 13, top block 14, second containing groove 15, hidden groove 16, screw 17, reinforcing rib 18, limiting column 19, inclined plane 20. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0021] Referring to Figures 1-5 A kind of anti-fracture shaft baffle, including baffle ring body 1, baffle ring body 1 two ends are equipped with first butt joint block 2, second butt joint block 3 respectively, first butt joint block 2 surface is equipped with first through hole 201, second butt joint block 3 surface is equipped with second through hole 301, first butt joint block 2 right side surface is equipped with positioning groove 4, second butt joint block 3 left side surface is equipped with positioning block 5, positioning block 5 surface is equipped with T-shaped slot 6, T-shaped slot 6 inner wall is slidably connected with base 7, base 7 upper surface is equipped with clamping block 8, clamping block 8 upper end penetrates T-shaped slot 6, base 7 lower surface is equipped with two reset springs 9, first butt joint block 2 and second butt joint block 3 upper surface are all equipped with installation groove 10, installation groove 10 inner wall is detachably connected with first cover plate 11 or second cover plate 12, first cover plate 11 lower surface is equipped with the first containing groove 13 matched with clamping block 8, second cover plate 12 lower surface is equipped with top block 14, the position of top block 14 on second cover plate 12 is same with the position of first containing groove 13 on first cover plate 11, the lower inner wall of installation groove 10 on first butt joint block 2 is equipped with clamping through hole, clamping through hole is arranged in T-shaped slot 6 directly above and matched with clamping block 8, the lower inner wall of installation groove 10 on second butt joint block 3 is equipped with second containing groove 15, and second containing groove 15 is matched with top block 14.
[0022] The upper surfaces of the first cover plate 11 and the second cover plate 12 are provided with a plurality of hidden grooves 16, the lower inner walls of the plurality of hidden grooves 16 are slidably connected with a plurality of screws 17, and the lower ends of the plurality of screws 17 are threadedly connected with the lower inner wall of the mounting groove 10.
[0023] The inner walls of the first through hole 201 and the second through hole 301 are annularly provided with a plurality of reinforcing ribs 18. The plurality of reinforcing ribs 18 play a role in reinforcing the first through hole 201 and the second through hole 301.
[0024] The upper surface of the clamping block 8 is an arc surface, and the lower surface of the top block 14 is an arc surface. The arc surface arranged on the upper surface of the clamping block 8 facilitates the sliding of the clamping block 8 into the clamping through hole, and the arc surface arranged on the lower surface of the top block 14 facilitates the movement of the clamping block 8 in the positioning groove 4.
[0025] The upper and lower inner walls of the T-shaped groove 6 are provided with two limiting columns 19, the base 7 is slidably connected with the two limiting columns 19, and the reset spring 9 is sleeved outside the limiting column 19. The two limiting columns 19 make the movement of the base 7 more stable.
[0026] The left side surface of the positioning block 5 is provided with an inclined surface 20, which is arranged to be inclined upward from left to right. When initially installed, the inclined surface 20 facilitates the insertion of the positioning block 5 into the positioning groove 4.
[0027] Working principle: before the installation of the shaft stopper, Figure 2 , first, the two ends of the stopper pliers are penetrated through the first through hole 201 and the second through hole 301, the clamping block 8 is pressed into the T-shaped groove 6 by the top block 14, the positioning block 5 is separated from the positioning groove 4, then the shaft stopper is installed into the groove shaft, then the screw 17 is unscrewed, the first cover plate 11 and the second cover plate 12 are transposed, then the screw 17 is fastened, at this time, the base 7 arranged on the lower surface of the clamping block 8 is compressed by the reset spring 9, so that the clamping block 8 penetrates through the clamping through hole and extends into the first containing groove 13. Figure 4 The above fixing method does not worry about being easily touched by mistake, the first butt joint block 2 and the second butt joint block 3 are connected firmly, the stopper body 1 is ensured not to be separated from the inside of the groove shaft, and the practicability of the shaft stopper is improved.
[0028] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A breakage-proof shaft retainer comprising a retainer body (1), characterized in that, The first butt joint block (2) is provided with a first through hole (201) on the surface, the second butt joint block (3) is provided with a second through hole (301) on the surface, the right surface of the first butt joint block (2) is provided with a positioning groove (4), the left surface of the second butt joint block (3) is provided with a positioning block (5), the surface of the positioning block (5) is provided with a T-shaped groove (6), the inner wall of the T-shaped groove (6) is slidably connected with a base (7), the upper surface of the base (7) is provided with a clamping block (8), the upper end of the clamping block (8) penetrates through the T-shaped groove (6), the lower surface of the base (7) is provided with two reset springs (9), the upper surfaces of the first butt joint block (2) and the second butt joint block (3) are provided with mounting grooves (10), the inner walls of the mounting grooves (10) are detachably connected with first cover plates (11) or second cover plates (12), the lower surface of the first cover plate (11) is provided with a first containing groove (13) matched with the clamping block (8), the lower surface of the second cover plate (12) is provided with a top block (14), the position of the top block (14) on the second cover plate (12) is the same as that of the first containing groove (13) on the first cover plate (11), the lower inner wall of the mounting groove (10) provided on the first butt joint block (2) is provided with a clamping through hole, the clamping through hole is arranged directly above the T-shaped groove (6) and matched with the clamping block (8), and the lower inner wall of the mounting groove (10) provided on the second butt joint block (3) is provided with a second containing groove (15) matched with the top block (14).
2. The anti-fracture shaft retainer of claim 1 wherein, The upper surfaces of the first cover plates (11) and the second cover plates (12) are provided with a plurality of hidden grooves (16), the lower inner walls of the plurality of hidden grooves (16) are slidably connected with screws (17), and the lower ends of the plurality of screws (17) are threadedly connected with the lower inner walls of the mounting grooves (10).
3. The anti-fracture shaft retainer of claim 1 wherein, The inner walls of the first through hole (201) and the second through hole (301) are annularly provided with a plurality of reinforcing ribs (18).
4. The anti-fracture shaft retainer of claim 1 wherein, The upper surface of the clamping block (8) is an arc surface, and the lower surface of the top block (14) is an arc surface.
5. The anti-fracture shaft retainer of claim 1 wherein, The upper and lower inner walls of the T-shaped groove (6) are provided with two limiting columns (19), and the base (7) is slidably connected with the two limiting columns (19).
6. The anti-fracture shaft retainer of claim 1 wherein, The left surface of the positioning block (5) is provided with an inclined surface (20), and the inclined surface (20) is arranged to be inclined upward from left to right.
Citation Information
Patent Citations
Stable anti-fracture check ring for shaft
CN218235753U