Anti-falling hardware guide sleeve
By setting a combination structure of locking half ring, raised annular groove, push plate and tightening bolt on the metal guide sleeve, the problem of guide sleeve falling off after long-term use in the mold is solved, and the guide sleeve is stably fixed.
Patent Information
- Application Number
- CN202520125889.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Existing metal guide sleeves are prone to falling off after prolonged use, and the limit screws cannot be effectively fixed, resulting in a high risk of falling off.
The design incorporates a combination structure of a locking half-ring, a raised annular groove, a push plate, a fixed base, and a tightening bolt. By rotating the tightening bolt, the push plate moves the locking half-ring, and the annular protrusion engages with the raised annular groove, thus achieving stable clamping and fixing of the guide sleeve.
This effectively prevents the guide sleeve from falling off after prolonged use inside the mold, ensuring the stable fixation of the guide sleeve.
Smart Images
Figure CN223763896U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of guide sleeve technology, specifically to a metal guide sleeve designed to prevent detachment. Background Technology
[0002] Mold guide bushings may detach under certain circumstances. The main reasons for this include excessive clearance, improper assembly, or improper use. Specifically, if the clearance between the mold guide bushing and the guide pillar is too large, or if an appropriate interference fit or heat-fitting method is not used during assembly, the guide bushing may detach. Furthermore, if the guide bushing is not securely fixed, it is also prone to detachment; therefore, a specialized anti-detachment structure is needed to prevent the guide bushing from falling off.
[0003] When existing hardware guide sleeves are used, the guide sleeves are only tightened in the locking groove by the limiting screw to prevent them from falling out after being inserted into the mold. After a long period of use, the limiting screw can no longer effectively limit and lock the guide sleeves, which makes the guide sleeves risk falling off. Utility Model Content
[0004] The technical problem this utility model aims to solve is to overcome existing defects and provide an anti-detachment hardware guide sleeve. Through the design of a locking half-ring, a raised annular groove, a push plate, a fixing seat, and a tightening bolt, when the guide sleeve is fixed inside the mold, rotating the tightening bolt causes the push plate at the end of the tightening bolt to move the locking half-ring. This causes the annular protrusions on the two locking half-rings to engage with the raised annular groove, thus stably clamping and fixing the guide sleeve and preventing it from detaching from the mold after prolonged use. This effectively solves the problems in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a non-detachable hardware guide sleeve, comprising a guide sleeve, two locking half-rings installed on the upper outer ring side of the guide sleeve, an annular protrusion provided on the inner ring side of the locking half-ring, a protruding annular groove provided on the outer side of the guide sleeve corresponding to the annular protrusion, a push plate connected to the outer ring side of the locking half-ring, a tightening bolt rotatably connected to the side of the push plate away from the locking half-ring, and a fixing seat passing through the tightening bolt.
[0006] Furthermore, two retaining grooves are provided on the lower outer ring side of the guide sleeve, and a mold is provided on the outer side of the guide sleeve.
[0007] Furthermore, two limiting screws are installed on the inner side of the mold corresponding to the locking groove position, and a limiting protrusion is provided on the end of the limiting screw near the locking groove.
[0008] Furthermore, a neodymium magnet is provided on the arc-shaped surface of the limiting protrusion corresponding to the locking groove, and a bearing is provided on the inner side of the limiting protrusion facing the limiting screw.
[0009] Furthermore, a shaft hole is drilled on the inner side of the guide sleeve, and the push plate is fixedly connected to the locking half ring.
[0010] Furthermore, the tightening bolt is threadedly connected to the fixing seat, and the fixing seat is fixedly installed on the mold.
[0011] Furthermore, the two locking semi-rings are connected by slots, and the limiting screw is connected to the inner side of the limiting protrusion through the bearing.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This utility model, through the setting of locking half rings, raised annular grooves, push plates, fixing seats and tightening bolts, enables the guide sleeve to be fixed in the mold. By rotating the tightening bolts, the push plates at the end of the tightening bolts drive the locking half rings to move, thereby causing the annular protrusions on the two locking half rings to engage with the raised annular grooves. This allows the two locking half rings to stably clamp and fix the guide sleeve, preventing the guide sleeve from falling out of the mold after long-term use. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the structure of this utility model installed on the mold;
[0016] Figure 3 This utility model Figure 1 A top-view cross-sectional view of the central limiting protrusion;
[0017] Figure 4 This is a partial structural diagram of the guide sleeve in this utility model;
[0018] Figure 5 This is a side view of the locking semi-ring structure in this utility model.
[0019] In the diagram: 1. Guide sleeve; 2. Locking half ring; 3. Push plate; 4. Fixing seat; 5. Tightening bolt; 6. Locking groove; 7. Shaft hole; 8. Limiting screw; 9. Limiting protrusion; 10. Mold; 11. Rubidium magnet; 12. Bearing; 13. Annular protrusion; 14. Protrusion annular groove. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-5 This embodiment provides a technical solution: an anti-fall-off hardware guide sleeve, including a guide sleeve 1. Two locking half rings 2 are installed on the upper outer ring side of the guide sleeve 1. An annular protrusion 13 is provided on the inner ring side of the locking half ring 2. A protruding annular groove 14 is provided on the outer side of the guide sleeve 1 corresponding to the annular protrusion 13. A push plate 3 is connected to the outer ring side of the locking half ring 2. A tightening bolt 5 is rotatably connected to the side of the push plate 3 away from the locking half ring 2. A fixing seat 4 is provided on the tightening bolt 5.
[0022] like Figure 1-5 As shown, when fixing the guide sleeve 1, the guide sleeve 1 is inserted into the mold 10. The limiting screw 8 on the side of the mold 10 is clamped onto the guide sleeve 1 by the limiting protrusion 9. The neodymium magnet 11 on the arc-shaped side of the limiting protrusion 9 can be attracted to the outer side of the guide sleeve 1, ensuring that the limiting protrusion 9 limits and clamps the guide sleeve 1. A clamping half ring 2 is provided on the upper side of the mold 10. By rotating the tightening bolt 5, the push plate 3 at the end of the tightening bolt 5 pushes the clamping half ring 2 to clamp onto the outer side of the guide sleeve 1. The annular protrusion 13 on the clamping half ring 2 is inserted into the inner side of the protrusion annular groove 14, thereby making the guide sleeve 1 stably limited and fixed, and preventing the guide sleeve 1 from falling off the mold 10.
[0023] Two locking grooves 6 are provided on the lower outer ring side of the guide sleeve 1. A mold 10 is provided on the outer side of the guide sleeve 1. The limiting protrusion 9 can be inserted into the inner side of the locking groove 6, thereby limiting and locking the outer ring side of the guide sleeve 1.
[0024] Two limiting screws 8 are installed on the inner side of the mold 10 corresponding to the locking groove 6. A limiting protrusion 9 is provided on the end of the limiting screw 8 near the locking groove 6.
[0025] A neodymium magnet 11 is provided on the arc-shaped surface of the limiting protrusion 9 corresponding to the locking groove 6. A bearing 12 is provided on the inner side of the end of the limiting protrusion 9 facing the limiting screw 8. The neodymium magnet 11 can make the limiting protrusion 9 fit tightly against the inner side of the locking groove 6, so that the limiting protrusion 9 clamps and fixes the guide sleeve 1.
[0026] The guide sleeve 1 has a shaft hole 7 drilled inside. The push plate 3 is fixedly connected to the locking half ring 2. A guide post can be inserted into the shaft hole 7.
[0027] The tightening bolt 5 is connected to the fixing seat 4 by threads, and the fixing seat 4 is fixedly installed on the mold 10.
[0028] Two locking half-rings 2 are connected by a slot, and the limiting screw 8 is connected to the inner side of the limiting protrusion 9 through a bearing 12.
[0029] The working principle of the anti-fall-off hardware guide sleeve provided by this utility model is as follows: Figures 1-5 As shown, when fixing the guide sleeve 1, the guide sleeve 1 is inserted into the mold 10. The limiting screw 8 on the side of the mold 10 is clamped onto the guide sleeve 1 by the limiting protrusion 9. The neodymium magnet 11 on the arc-shaped side of the limiting protrusion 9 can be attracted to the outer side of the guide sleeve 1, ensuring that the limiting protrusion 9 limits and clamps the guide sleeve 1. A clamping half ring 2 is provided on the upper side of the mold 10. By rotating the tightening bolt 5, the push plate 3 at the end of the tightening bolt 5 pushes the clamping half ring 2 to clamp onto the outer side of the guide sleeve 1. The annular protrusion 13 on the clamping half ring 2 is inserted into the inner side of the protrusion annular groove 14, thereby making the guide sleeve 1 stably limited and fixed, and preventing the guide sleeve 1 from falling off the mold 10.
[0030] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. An anti-drop hardware guide sleeve comprising a guide sleeve (1), characterized in that: The outer ring side of the upper part of the guide sleeve (1) is provided with two clamping half rings (2), the inner ring side of the clamping half ring (2) is provided with annular protrusions (13), the outer side of the guide sleeve (1) is provided with protruding ring grooves (14) corresponding to the position of the annular protrusions (13), the outer ring side of the clamping half ring (2) is connected with a push plate (3), the side of the push plate (3) away from the clamping half ring (2) is rotatably connected with a jacking bolt (5), the jacking bolt (5) is provided with a fixed seat (4).
2. The anti-extraction hardware guide sleeve of claim 1, wherein: The outer ring side of the lower part of the guide sleeve (1) is provided with two clamping grooves (6), the outer side of the guide sleeve (1) is provided with a mold (10).
3. The anti-extraction hardware guide sleeve of claim 2, wherein: The inner side of the mold (10) is provided with two limiting screws (8) corresponding to the position of the clamping groove (6), the end of the limiting screw (8) close to the clamping groove (6) is provided with a limiting protrusion (9).
4. The anti-extraction hardware guide sleeve of claim 3, wherein: The limiting protrusion (9) is provided with a rubidium magnet (11) corresponding to the arc surface of the clamping groove (6), the end of the limiting protrusion (9) towards the limiting screw (8) is provided with a bearing (12).
5. The anti-extraction hardware guide sleeve of claim 1, wherein: The inner side of the guide sleeve (1) is provided with a shaft hole (7), the push plate (3) is fixedly connected with the clamping half ring (2).
6. The anti-extraction hardware guide sleeve of claim 2, wherein: The jacking bolt (5) is connected with the fixed seat (4) through threads, the fixed seat (4) is fixedly installed on the mold (10).
7. The anti-extraction hardware guide sleeve of claim 4, wherein: The two clamping half rings (2) are connected through clamping grooves, the limiting screw (8) is connected with the inner side of the limiting protrusion (9) through the bearing (12).