Overall lubrication durable guide module of connector and connector using same
By introducing an integrated lubrication module consisting of guide pins, lubrication sleeves, and guide sleeves into the connector, the problems of frequent maintenance of the guide structure and high frictional resistance are solved, achieving low friction, long service life, and high-efficiency production.
Patent Information
- Application Number
- CN202520157368.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The existing connector's guiding structure requires frequent maintenance, has high frictional resistance, resulting in low production efficiency, high cost, and short service life.
The integrated lubrication and durability module, consisting of guide pins, lubrication sleeves, and guide sleeves, forms a low-friction pair through the lubrication sleeves, achieving complete coverage and uniform lubrication of the lubrication area.
It reduces frictional resistance, decreases maintenance frequency, improves production efficiency and connector lifespan, and lowers operating costs.
Smart Images

Figure CN223858552U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of connector, especially a kind of whole lubrication durable guide module of connector and the connector applied it. BACKGROUND
[0002] Connector is important component in new energy field, connector is usually matched by plug module and socket module, namely plug module is inserted in socket module, in order to high-precision quick assembly two modules, usually set up guide vice of metal material to carry out insertion and pull positioning guide, the friction coefficient between metal material is big, need to smear lubricating grease lubrication periodically, its defects are as follows: first, frequent maintenance increases operating cost, long downtime in production, low production efficiency;Second, the lubrication area of existing guide structure cannot completely cover contact area, because the amount of lubricating grease cannot be controlled, local dry friction is prone to occur in operation, friction resistance is big, dismounting and plugging force is big, improve assembly difficulty, and reduce guide structure and connector service life. SUMMARY
[0003] In order to solve one or more of the above problems, the utility model provides a kind of whole lubrication durable guide module of connector and the connector applied it.
[0004] According to one aspect of the utility model, the whole lubrication durable guide module of the connector includes: guide pin, lubricating sleeve and guide sleeve;
[0005] Guide pin includes cylindrical pin body, cap is equipped on the upper end of pin body and the lower end forms lower connecting column, lower connecting column is connected with the center connecting hole of the lower end plate of vertical connecting pipe of socket shell;
[0006] Lubricating sleeve is low-friction round pipe, lubricating sleeve small gap is set in the outer circumferential wall of pin body and upper end adheres to the lower wall of cap, and guide ring hole is formed between lubricating sleeve and vertical connecting pipe;
[0007] The upper end of guide sleeve is fixedly connected with plug shell and the lower end is exposed annular sleeve body, when plug shell is matched with socket shell, cap and lubricating sleeve small gap are inserted into the guide hole of guide sleeve, and sleeve body small gap is inserted into guide ring hole and whole slidingly set in lubricating sleeve outside, so as to reduce insertion friction.
[0008] The overall lubricated durable guide module of the connector forms a new guide structure by setting a lubricating sleeve, and realizes a lower friction pair, which has the beneficial effects that: first, the low-friction lubricating sleeve does not need frequent maintenance, effectively reduces operating costs, has less downtime in production, and has high production efficiency; second, the lubricating sleeve completely covers the contact area of the lubricating area, because the lubricating sleeve is a high-precision machined product, the lubrication is uniform and controllable, the friction resistance is effectively reduced, the disassembly and plugging force is small, the assembly difficulty is reduced, and the service life of the guide structure and the connector is long, and is suitable for application scenarios with difficult maintenance in later operation and maintenance.
[0009] In some embodiments, the lubricating sleeve is a self-lubricating oil-containing metal sleeve or a non-metal sleeve with a low friction coefficient.
[0010] In some embodiments, when the lubricating sleeve is a self-lubricating oil-containing metal sleeve, the lubricating sleeve is an oil-containing copper sleeve with embedded graphite.
[0011] When the lubricating sleeve is a non-metal sleeve with a low friction coefficient, the lubricating sleeve is a TPFE iron fluorine dragon sleeve.
[0012] In some embodiments, the upper end of the pin body is provided with a large-diameter cap, and the lower end forms a small-diameter lower connecting column.
[0013] Or the upper end of the pin body is integrally formed with a cap.
[0014] In some embodiments, the upper end face of the pin body is also provided with a central threaded blind hole, and the lower end face of the cap is also integrally formed with a lower stud, which can be detachably connected with the central threaded blind hole through threads, until the cap and the pin body are attached to each other.
[0015] In some embodiments, the lower end of the lubricating sleeve is flush with or slightly higher than the lower end of the pin body, and the lower end of the lubricating sleeve is flush with the lower end plate or is provided with a small gap on the lower end plate.
[0016] Or the pin body and the lower connecting column are also provided with a positioning end ring, the lower end face of which is attached to the lower end plate, and the upper end of the lubricating sleeve is attached to the cap and the lower end is attached to the positioning end ring.
[0017] In some embodiments, the upper end of the cap is provided with a conical guide-in end and a transition circular arc surface.
[0018] The lower end of the guide sleeve is provided with an upper guide surface opposite to the conical guide-in end.
[0019] In some embodiments, the lower connecting column small gap rotating sleeve is arranged in the central connecting hole.
[0020] The lower end of the lower connecting column is provided with a lower process counterbore to make the lower end wall thin, and the lower process counterbore is riveted and pressed to make the hole wall fold outward by 90° for axial positioning and attachment to the lower end plate.
[0021] Or the center of the hole lower end is provided with a protruding first positioning block, the lower end face of the first positioning block forms a concave first positioning groove, the folded hole wall is attached to the first positioning block and located in the first positioning groove;
[0022] The connecting structure of the guide sleeve and the plug shell and the connecting structure of the guide pin and the socket shell are the same.
[0023] In some embodiments, the socket shell and the plug shell are made of die-cast aluminum alloy material, and the guide pin and the guide sleeve are made of passivated stainless steel SUS material.
[0024] A connector comprises a socket shell, a plug shell and any one of the above guide modules, the guide sleeves of the two guide modules are fixedly connected to the left and right ends of the socket shell, and the guide pins of the two guide modules are fixedly connected to the left and right ends of the plug shell. The beneficial effects are that the connector does not need frequent maintenance, effectively reduces the operation cost, has less downtime in production, has high production efficiency, effectively reduces the friction resistance, has small dismounting and plugging force, reduces the assembly difficulty, and makes the guide structure and the connector have high service life, and is suitable for application scenarios with difficult maintenance in later operation and maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a front view schematic diagram of the connector with the integral lubricated durable guide module according to an embodiment of the present application.
[0026] Figure 2 It is Figure 1 It is an A-A cross-sectional view schematic diagram of the connector with the integral guide module.
[0027] Figure 3 It is Figure 2 It is a schematic diagram of the guide pin after riveting and bending.
[0028] Figure 4 It is Figure 2 It is a three-dimensional schematic diagram of the guide module.
[0029] Figure 5 It is Figure 4 It is a three-dimensional exploded schematic diagram of the guide module.
[0030] Figure 6 It is Figure 1 It is a cross-sectional schematic diagram of the connector with the split guide module.
[0031] Figure 7 It is Figure 6 It is a three-dimensional exploded schematic diagram of the guide module.
[0032] Guide module 00, guide pin 1, pin body 10, cap 11, lower connecting column 12, central threaded blind hole 13, lower stud 14, positioning end ring 15, conical lead-in end 16, transition circular arc surface 17, central blind hole 18, lower process counterbore 19, lubricating sleeve 2, guide sleeve 3, sleeve body 30, guide hole 31, middle positioning section 32, upper connecting section 33, upper guide surface 34, upper process counterbore 35;
[0033] Socket shell 01, vertical connecting pipe 010, central connecting hole 011, guide ring hole 012, lower end plate 013, first positioning block 014, first positioning groove 015;
[0034] Plug shell 02, lower positioning end pipe 021, upper connecting hole 022, second positioning block 023, second positioning groove 024. DETAILED DESCRIPTION
[0035] The utility model will be further explained in detail below in combination with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component.
[0036] Figures 1 to 7 The overall lubricated durable guide module of a connector according to an embodiment of the utility model and the connector using the same are schematically shown. As shown in the figure, the overall lubricated durable guide module of the connector comprises a guide pin 1, a lubricating sleeve 2 and a guide sleeve 3.
[0037] The guide pin 1 comprises a cylindrical pin body 10, and a cap 11 is integrally or detachably arranged on the upper end of the pin body 10 and a lower connecting column 12 is formed on the lower end of the pin body 10. Preferably, a cap 11 with a large diameter is arranged on the upper end of the pin body 10 and a lower connecting column 12 with a small diameter is formed on the lower end of the pin body 10. The lower connecting column 12 is sleeved with the central connecting hole 011 of the lower end plate 013 of the vertical connecting pipe 010 of the socket shell 01.
[0038] The lubricating sleeve 2 is a low-friction circular pipe, and the lubricating sleeve 2 is preferably a self-lubricating oil-containing metal sleeve or a non-metal sleeve with a low friction coefficient. The lubricating sleeve 2 is arranged in a small gap on the outer circumferential wall of the pin body 10 and is attached to the lower wall of the cap 11 on the upper end, and the guide ring hole 012 is formed between the lubricating sleeve 2 and the vertical connecting pipe 010.
[0039] The guide sleeve 3 is fixedly connected to the plug shell 02 on the upper end and is a circular ring sleeve body 30 exposed on the lower end. When the plug shell 02 is inserted into the socket shell 01, the cap 11 and the lubricating sleeve 2 are inserted into the guide hole 31 of the guide sleeve 3 in a small gap, and the sleeve body 30 is inserted into the guide ring hole 012 in a small gap and is slidably arranged outside the lubricating sleeve 2, thereby reducing the plug-in friction.
[0040] The overall lubricated durable guide module of the connector forms a new guide structure by setting the lubricating sleeve 2, and realizes a lower friction pair, which has the beneficial effects that: first, the low-friction lubricating sleeve 2 does not need frequent maintenance, effectively reduces operating costs, has less downtime in production, and has high production efficiency; second, the lubricating sleeve 2 completely covers the contact area, because the lubricating sleeve 2 is a high-precision machined product, the lubrication is uniform and controllable, the friction resistance is effectively reduced, the disassembly and plugging force is small, the assembly difficulty is reduced, and the service life of the guide structure and the connector is high, which is suitable for application scenarios with difficult maintenance in later operation and maintenance.
[0041] Further, when the lubricating sleeve 2 is a self-lubricating oil-containing metal sleeve, the lubricating sleeve 2 is an oil-containing copper sleeve with embedded graphite.
[0042] When the lubricating sleeve 2 is a non-metal sleeve with low friction coefficient, the lubricating sleeve 2 is a TPFE iron fluorine dragon sleeve. Its beneficial effects are: the self-lubricating oil-containing copper sleeve or the iron fluorine dragon sleeve has good low friction coefficient, plays a whole lubricating role, effectively reduces the friction of the moving clothes, and improves the service life of the guide piece.
[0043] Further, the cap 11 is integrally formed on the upper end of the pin body 10. Its beneficial effects are: the integral structure is convenient to produce, greatly reduces the cost of parts and manufacturing, makes the overall cost of the connector lower, and has cost advantage.
[0044] Further, the center threaded blind hole 13 is further arranged on the upper end surface of the pin body 10, and the lower stud 14 is integrally formed on the lower end surface of the cap 11. The lower stud 14 is detachably threadedly connected with the center threaded blind hole 13, and the cap 11 and the pin body 10 are attached to each other at both end surfaces. Its beneficial effects are: the split guide structure can replace the lubricating sleeve after wearing in later use, and reduces the use cost of the product of the customer.
[0045] Preferably, the lower end of the lubricating sleeve 2 is flush with or slightly higher than the lower end of the pin body 10, and the lower end of the lubricating sleeve 2 is flush with the lower end plate 013 or is arranged on the lower end plate 013 with a small gap. Its beneficial effects are: the setting makes the lubricating sleeve have good installation precision and has certain guiding performance.
[0046] Preferably, the positioning end ring 15 is further arranged between the pin body 10 and the lower connecting column 12, the lower end surface of the positioning end ring 15 is attached to the lower end plate 013, the upper end of the lubricating sleeve 2 is attached to the cap 11, and the lower end of the lubricating sleeve 2 is attached to the positioning end ring 15. Its beneficial effects are: the positioning end ring 15 facilitates high-precision installation and fixation.
[0047] Further, the outer diameter of the cap 11 is the same as the outer diameter of the lubricating sleeve 2, and the cap 11 and the lubricating sleeve 2 are connected with the guide hole 31 of the guide sleeve 3 with a gap. Its beneficial effects are: the setting makes the lubricating sleeve have good installation precision and has certain guiding performance.
[0048] The upper end of the cap 11 is provided with a conical guide end 16 and a transition arc surface 17.
[0049] The lower end of the guide sleeve 3 is provided with an upper guide surface 34 with a chamfered structure opposite the conical guide end 16. The beneficial effect is that the setting facilitates smooth and non-jammed guiding assembly.
[0050] Further, the lower connecting column 12 is sleeved in the central connecting hole 011 with a small gap and can rotate under torque load;
[0051] The lower end of the lower connecting column 12 is provided with a central blind hole 18, and the lower end of the central blind hole 18 is provided with a lower process counterbore 19 to thin the lower end wall. The lower process counterbore 19 is riveted and pressed to fold the hole wall outward by 90° for axial positioning and lamination with the lower end plate 013. The beneficial effect is that the structure is simple, easy to install, effectively reduces the number of parts and the size of the equipment, and reduces the cost.
[0052] Or the lower end of the central connecting hole 011 is provided with a protruding first positioning block 014, the lower end surface of the first positioning block 014 forms a concave first positioning groove 015, and the folded hole wall is lapped with the first positioning block 014 and located in the first positioning groove 015. The beneficial effect is that the setting improves the installation precision.
[0053] Preferably, the upper end of the guide sleeve 3 is provided with an upper connecting segment 33 and a middle positioning segment 32 with a circular ring structure. The upper connecting segment 33 is provided with an upper process counterbore 35 to thin the end wall. The middle positioning segment 32 is sleeved on the lower positioning end pipe 021 of the plug shell 02 with a gap, and the upper connecting segment 33 is sleeved in the upper connecting hole 022 of the plug shell 02 with an interference fit. The upper process counterbore 35 is riveted and pressed to fold the hole wall outward by 90° for axial positioning and lamination with the upper end plate.
[0054] The upper end of the upper connecting hole 022 is provided with a protruding second positioning block 023, and the upper end surface of the second positioning block 023 is provided with a concave second positioning groove 024. The folded hole wall is lapped with the second positioning block 023 and located in the second positioning groove 024. The beneficial effect is that the structure is simple, easy to install, effectively reduces the number of parts and the size of the equipment, and reduces the cost.
[0055] Preferably, the socket shell 01 and the plug shell 02 are made of die-cast aluminum alloy, which has the beneficial effect of high strength and high hardness, achieving connection and auxiliary positioning and guiding functions.
[0056] The guide pin 1 and the guide sleeve 3 are made of passivated stainless steel SUS304. The strength and hardness are high, and the passivated product has high salt mist resistance.
[0057] As Figures 1 to 7As shown, a connector comprises: a socket shell 01, a plug shell 02 and any one of the above-mentioned guide modules 00, the guide sleeves 3 of the two guide modules 00 are fixedly connected to the left and right ends of the socket shell 01, and the guide pins 1 of the two guide modules 00 are fixedly connected to the left and right ends of the plug shell 02. Its beneficial effects are: the connector does not need frequent maintenance, effectively reduces the operation cost, has less downtime in production, high production efficiency, effectively reduces the friction resistance, has small dismounting and plugging force, reduces the assembly difficulty, and makes the guide structure and the service life of the connector high, and is suitable for application scenarios difficult to maintain in later operation and maintenance.
[0058] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application.
Claims
1. A self-lubricating durable guide module for a connector, characterized by It comprises a guide pin (1), a lubricating sleeve (2) and a guide sleeve (3). The guide pin (1) comprises a cylindrical pin body (10), the upper end of the pin body (10) is provided with a cap (11) and the lower end forms a lower connecting column (12), the lower connecting column (12) is sleeved with the central connecting hole (011) of the lower end plate (013) of the vertical connecting pipe (010) of the socket shell (01). The lubricating sleeve (2) is a low-friction circular tube, the lubricating sleeve (2) is sleeved on the outer circumferential wall of the pin body (10) with a small gap and the upper end is attached to the lower wall of the cap (11), the lubricating sleeve (2) and the vertical connecting pipe (010) form a guide ring hole (012). The upper end of the guide sleeve (3) is fixedly connected with the plug shell (02) and the lower end is an exposed circular sleeve body (30), when the plug shell (02) is inserted into the socket shell (01), the cap (11) and the lubricating sleeve (2) are inserted into the guide hole (31) of the guide sleeve (3) with a small gap, the sleeve body (30) is inserted into the guide ring hole (012) with a small gap and is sleeved on the outer side of the lubricating sleeve (2) to reduce the plug-in friction.
2. A self-lubricating durable guide module for a connector according to claim 1, characterized in that, The lubricating sleeve (2) is a self-lubricating oil-containing metal sleeve or a non-metal sleeve with low friction coefficient.
3. A self-lubricating durable guide module for a connector according to claim 2, wherein When the lubricating sleeve (2) is a self-lubricating oil-containing metal sleeve, the lubricating sleeve (2) is an oil-containing copper sleeve with embedded graphite. When the lubricating sleeve (2) is a non-metal sleeve with low friction coefficient, the lubricating sleeve (2) is a TPFE iron fluorine dragon sleeve.
4. The self-lubricating durable guide module of claim 1, wherein, The upper end of the pin body (10) is provided with a cap (11) with a large diameter and the lower end forms a lower connecting column (12) with a small diameter. Or the upper end of the pin body (10) is integrally formed with the cap (11).
5. The self-lubricating durable guide module of claim 1, wherein, The upper end surface of the pin body (10) is further provided with a central threaded blind hole (13), the lower end surface of the cap (11) is further integrally formed with a lower stud (14) at the center, the lower stud (14) is detachably threadedly connected with the central threaded blind hole (13) until the cap (11) and the pin body (10) are attached to each other at the two end surfaces.
6. A self-lubricating durable guide module for a connector according to claim 5, wherein The lower end of the lubricating sleeve (2) is flush with or slightly higher than the lower end of the pin body (10), the lower end of the lubricating sleeve (2) is flush with the lower end plate (013) or is arranged on the lower end plate (013) with a small gap. Or the pin body (10) and the lower connecting column (12) are further provided with a positioning end ring (15), the lower end surface of the positioning end ring (15) is attached to the lower end plate (013), the upper end of the lubricating sleeve (2) is attached to the cap (11) and the lower end is attached to the positioning end ring (15).
7. A self-lubricating durable guide module for a connector according to claim 6, wherein The upper end of the cap (11) is provided with a conical guide inlet end (16) and a transition circular arc surface (17). The lower end of the guide sleeve (3) is provided with an upper guide surface (34) opposite to the conical guide inlet end (16).
8. A self-lubricating durable guide module for a connector according to any one of claims 1 to 7, characterized in that, The lower connecting column (12) is sleeved in the central connecting hole (011) with a small gap. The lower end of the lower connecting column (12) is provided with a lower process counterbore (19) to thin the lower end wall, the lower process counterbore (19) is riveted to make the hole wall outwardly folded by 90° for axial positioning and attachment to the lower end plate (013), Or the center hole (011) lower end is provided with a first positioning block (014), the lower end face of the first positioning block (014) forms a first positioning groove (015), the folded hole wall is attached to the first positioning block (014) and is located in the first positioning groove (015); The connecting structure of the guide sleeve (3) and the plug shell (02) is the same as the connecting structure of the guide pin (1) and the socket shell (01).
9. A self-lubricating durable guide module for a connector according to any one of claims 1 to 7, characterized in that, The socket shell (01) and the plug shell (02) are made of die-cast aluminum alloy, and the guide pin (1) and the guide sleeve (3) are made of passivated stainless steel SUS304.
10. A connector characterized by comprising: Comprise: The socket shell (01), the plug shell (02) and the guide module (00) of any one of claims 1 to 9, the guide sleeves (3) of the two guide modules (00) are fixedly connected to the left and right ends of the socket shell (01), and the guide pins (1) of the two guide modules (00) are fixedly connected to the left and right ends of the plug shell (02).