WO2023237005A1 - Mécanisme de liaison - Google Patents

Mécanisme de liaison Download PDF

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Publication number
WO2023237005A1
WO2023237005A1 PCT/CN2023/098900 CN2023098900W WO2023237005A1 WO 2023237005 A1 WO2023237005 A1 WO 2023237005A1 CN 2023098900 W CN2023098900 W CN 2023098900W WO 2023237005 A1 WO2023237005 A1 WO 2023237005A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft body
head
limiting
groove
rod
Prior art date
Application number
PCT/CN2023/098900
Other languages
English (en)
Chinese (zh)
Inventor
金俊良
Original Assignee
江门市广利电子科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江门市广利电子科技有限公司 filed Critical 江门市广利电子科技有限公司
Publication of WO2023237005A1 publication Critical patent/WO2023237005A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/02—Releasable fastening devices locking by rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • F16B21/20—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts for bolts or shafts without holes, grooves, or notches for locking members

Definitions

  • the present invention relates to the technical field of structural connection, and in particular to a connection mechanism.
  • the object of the present invention is to provide a connection mechanism with higher connection and disassembly efficiency.
  • connection mechanism includes:
  • connection body includes a shaft body and a first head and a second head connected to both ends of the shaft.
  • a chute is provided on the shaft, and the chute is along the axis. The body portion extends axially and one end of the chute penetrates the shaft body portion along the axial direction of the shaft body portion;
  • the limit slide rod is slidably disposed in the chute along the axial direction of the shaft body, and one end of the limit slide rod can at least slide to the first state and the second state,
  • one end of the limiting slide rod at least partially exceeds the chute and overlaps with the first head or the second head in the radial direction of the shaft body, and The portion of the limiting slide rod that overlaps the first head or the second head protrudes from the outer peripheral surface of the first head or the second head along the radial direction of the shaft body.
  • the limiting slide rod does not overlap with the first head or the second head in the radial direction of the shaft body;
  • the elastic member is arranged in the chute, one end of the elastic member is in contact with the limiting slide rod, and the other end of the elastic member is in contact with the shaft body part.
  • the elastic force of the elastic member acting on the limiting slide rod can drive the limiting slide rod to maintain the first state.
  • the slide groove includes a guide groove, a limit groove and a limit through hole connecting the guide groove and the limit groove.
  • the guide groove, the limit groove and the limit through hole Both extend along the axial direction of the shaft body part, one end of the guide groove penetrates the shaft body part in the axial direction of the shaft body part, the guide groove and the limiting groove are respectively formed on the
  • the limit slide rod includes a main slide rod slidably disposed in the guide groove, a limit rod integrally formed on one side of the main slide rod, and a limit rod integrally formed on one side of the main slide rod.
  • the toggle portion on the other side of the main slide rod extends out of the guide groove along the radial direction of the shaft body, and the limit rod passes through the limit through hole and extends to
  • the elastic member is arranged in the limiting groove, one end of the elastic member is in contact with the limiting rod, and the other end of the elastic member is in contact with the shaft body Ministry.
  • the guide groove includes an upper groove part and a lower groove part.
  • the bottom wall of the upper groove part is recessed radially inward to form the lower groove part.
  • One end of the upper groove part The upper groove portion penetrates the shaft body portion along the axial direction of the shaft body portion, and one end of the upper groove portion penetrates the shaft body portion is the first end.
  • the main sliding rod includes an upper sliding rod disposed in the upper groove portion. The rod portion and the downward rod portion located in the lower groove portion, in the first state, the end portion of the downward rod portion facing the first end abuts the lower groove portion toward the first end. on the inner wall of one end of the limiting through hole, and the limiting rod abuts on the inner wall of one end of the limiting through hole facing the first end.
  • the length of the lower groove portion extending along the axial direction of the shaft body portion is L1
  • the length of the lower rod portion extending along the axial direction of the shaft body portion is L2.
  • the first head or the second head toward the first end is provided with a guide hole communicating with the lower groove portion along the axial direction of the shaft body portion, and the The upper sliding rod part or the lower sliding rod part is integrally formed with a guide rod part, and the guide rod part is slidably inserted into the guide hole along the axial direction of the shaft body part.
  • the limiting rod is integrally formed with an assembly rod portion, the assembly rod portion is disposed in the limiting groove, the elastic member is a spring, and the spring is sleeved on the Assemble the pole.
  • connection mechanism further includes a limiting component capable of limiting the sliding movement of the limiting slide rod from the first state to the second state.
  • the limiting slide rod includes a dialing portion extending out of the slide groove along the radial direction of the shaft body portion, the limiting component is the dialing portion, and the slider One end of the groove that penetrates the shaft body is the first end.
  • the external locking piece faces the toggle part.
  • One end is located on the path of the limiting slide rod moving from the first state to the second state.
  • the shaft body is provided with a first pin hole along its radial direction
  • the main sliding rod is provided with a second pin hole.
  • the first pin hole is The pin hole is aligned with the second pin hole
  • the limiting component includes a pin shaft, and the pin shaft is detachably inserted into the first pin hole and the second pin hole.
  • a first pin hole is drilled through the shaft body part along its radial direction
  • the limiting slide rod includes a dial extending out of the slide groove along the radial direction of the shaft body part.
  • the limiting component includes a pin, the pin is detachably inserted into the first pin hole, and one end of the pin can extend out of the first pin hole and out of the first pin hole.
  • the part of the first pin hole is located on the path of the limiting slide rod moving from the first state to the second state.
  • the shaft body, the first head and the second head are integrally formed.
  • the first head includes a first central axis in the same axial direction as the shaft body, and a first protrusion formed by protruding outward in a radial direction of the first central axis.
  • the first raised portion and the second raised portion are spaced apart around the central axis of the first central axis, and the first raised portion and the second raised portion are The protruding parts are arranged symmetrically, the first protruding part and the second protruding part are spaced apart from the shaft body part in the axial direction of the shaft body part, and the spacing between them is X1, and the limiting The portion of one end of the slide rod that exceeds the slide groove overlaps the first head in the radial direction of the shaft body, and the length of the portion of the limiting slide rod that exceeds the slide groove does not exceed X1, The portion of the limiting slide rod beyond the slide groove does not overlap with the first protruding portion and the second protruding portion in the axial direction of the first central axis.
  • the second head includes a second central axis in the same axial direction as the shaft body part and an annular protrusion formed by protruding outward in a radial direction of the second central axis. , the annular protrusion and the shaft body part are spaced apart in the axial direction of the shaft body part.
  • the shaft body part includes a first shaft part and a second shaft part integrally formed on the first shaft part, and the outer diameter of the first shaft part is larger than the second shaft part.
  • the connecting mechanism also includes a sleeve, the The sleeve is set on the second shaft part, and a sliding hole is provided on the sleeve at a position corresponding to the chute.
  • the length of the second shaft part is the same as the length of the sleeve, so One end of the casing is in contact with the step.
  • connection mechanism in this embodiment since the limiting slide rod in this embodiment can slide into the first state and the second state, the two different states can make the first head or the second head conveniently connected to the corresponding one.
  • Locking piece connection For example, the corresponding locking piece has a first groove and a second groove that are respectively adapted to the first head and the limiting slide rod. In the first state, when the part of the limiting slide rod beyond the slide groove is inserted into the second groove, At this time, the rotation of the first head relative to the first groove can be restricted, thereby completing the required matching relationship.
  • the connecting mechanism and the corresponding locking piece in this embodiment are in the form of plug-in connection, which can simplify the difficulty of operation and improve the disassembly efficiency.
  • Figure 1 is a schematic diagram of the application of the connecting mechanism according to an embodiment of the present invention.
  • Figure 2 is a schematic structural diagram of a connection mechanism according to an embodiment of the present invention.
  • Figure 3 is one of the exploded schematic diagrams of the connection mechanism in Figure 2;
  • Figure 4 is the second exploded schematic diagram of the connection mechanism in Figure 2;
  • Figure 5 is a cross-sectional view of the connecting mechanism in Figure 2;
  • Figure 6 is a schematic structural diagram of a limiting slide rod in another embodiment
  • Figure 7 is a schematic structural diagram of the first locking member
  • Figure 8 is a cross-sectional view of the first locking member in Figure 7;
  • Figure 9 is a schematic structural diagram of the second locking member
  • Figure 10 is a cutting schematic diagram of the second locking member in Figure 9;
  • Figure 11 is one of the partial structural schematic diagrams of the second locking member in Figure 9;
  • Figure 12 is the second partial structural schematic diagram of the second locking member in Figure 9;
  • Figure 13 is a structural schematic diagram of the partial structure in Figure 12 from another perspective
  • connection mechanism 20. First locking piece; 21. Accommodation cavity; 22. Limiting jack; 22a, central axis hole; 22b, side hole; 30. Second locking piece; 100. Connection body; 110. Shaft body part; 111. Slide groove; 1111. Guide groove; 1111a, upper groove part; 1111b, lower groove part; 1112. Limiting groove; 1113. Limiting through hole; 113. First shaft part; 114. Second shaft part; 1134, step; 120, first head; 121, first central axis; 122, protruding part; 1221, first protruding part; 1222, second protruding part; 130, second head ; 131. Second central axis; 132. Annular protrusion; 133.
  • An embodiment of the present invention provides a connecting mechanism 10.
  • the connecting mechanism 10 in this embodiment is mainly used to connect two different locking parts.
  • the connecting mechanism 10 in this embodiment is mainly used for In the field of fixed connection of equipment, especially in the field of content creation such as television, film and stage shooting. For example, it can be used to fixedly connect shooting lighting fixtures, reflectors, diffusers, video walls, cameras, green screens, textiles and other set elements.
  • connection mechanism 10 in this embodiment includes a connection body 100.
  • the connection body 100 includes a shaft body 110 and a first head 120 and a second head 130 connected to both ends of the shaft body 110;
  • the first head 120 and the second head 130 are respectively used to connect two different locking parts, and the two locking parts can connect two different objects.
  • the shaft body 110 is provided with a chute 111 , the chute 111 extends along the axial direction of the shaft body 110 , and one end of the chute 111 penetrates the shaft body 110 along the axial direction of the shaft body 110 ; the connection mechanism 10 also includes a limiter
  • the limit slide rod 200 is slidably disposed in the chute 111 along the axial direction of the shaft body 110 , and one end of the limit slide rod 200 can at least slide to the first state and the second state.
  • the limiting slide rod 200 In the first state When , one end of the limiting slide rod 200 at least partially exceeds the chute 111 and overlaps with the first head 120 or the second head 130 in the radial direction of the shaft body 110 , and the limiting slide rod 200 and the first head The overlapping portion of the portion 120 protrudes from the outer peripheral surface of the first head 120 or the second head 130 along the radial direction of the shaft body 110.
  • the limiting slide rod 200 is not connected with the first head 120 or the second head 130.
  • the two head portions 130 overlap in the radial direction of the shaft body portion 110 . Since the limiting slide rod 200 in this embodiment can slide into the first state and the second state, the two different states can make the first head 120 or the second head 130 conveniently connected to the corresponding locking member.
  • one end of the limiting slide rod 200 at least partially exceeds the slide groove 111 and overlaps the first head 120 in the radial direction of the shaft body 110 , and the locking member has a locking member that is connected to the first head 120 and the first head 120 respectively.
  • the first groove and the second groove that the limiting slide rod 200 is adapted to are in the first state. When the part of the limiting slide rod 200 beyond the chute 111 is inserted into the second groove, the first head 120 can be limited at this time. Rotate relative to the first groove to achieve the desired fit.
  • the locking member locked with the first head 120 is the first locking member 20 , and one end of the limiting slide rod 200 at least partially exceeds the slide groove 111 and is connected with the first locking member 20 .
  • the first head 120 overlaps in the radial direction of the shaft body 110.
  • the first head 120 can be assembled with the first locking member 20, and when the first head 120 rotates relative to the first locking member 20 At the preset angle, the limiting slide rod 200 can be converted from the second state to the first state.
  • the overlapping portion of the limiting slide rod 200 and the first head 120 can limit the relative position of the first head 120 to the first state.
  • a locking member 20 rotates.
  • the first head 120 and the first locking member can be conveniently connected. 20 is locked, or the first head 120 is removed from the first locking member 20 .
  • connection method between the first head 120 and the first locking member 20 in this embodiment is: first, move the limiting slide rod 200 to the second state, and assemble the first head 120 on the first locking member. 20, then rotate the first head 120 and rotate the first head 120 to a preset angle. At this time, the first head 120 is locked with the first locking member 20, and then move the limiting slide rod 200 so that the limiting slide rod 200 changes from the second state to the first state. At this time, the first head 120 can no longer rotate relative to the first locking member 20, so that the first head 120 cannot be removed from the first locking member 20, thus ensuring The connection stability between the first head 120 and the first locking piece 20 is stable.
  • the connecting mechanism 10 and the first locking piece 20 can be quickly locked and separated, thereby improving the connection efficiency.
  • connection mechanism 10 further includes an elastic member 300.
  • the elastic member 300 is disposed in the chute 111. One end of the elastic member 300 abuts the limiting slide rod 200, and the other end of the elastic member 300 abuts the shaft body 110.
  • the elastic force of the elastic member 300 acting on the limiting slide rod 200 can drive the limiting slide rod 200 to maintain the first state.
  • the limiting slide rod 200 can be maintained in the first state without applying an elastic force exceeding the elastic member 300, so that the first head 120 cannot rotate, so that the first head 120 cannot rotate. Therefore, the first head 120 and the first locking member 20 can be stably connected together.
  • the first head 120 When the first head 120 needs to be taken out from the first locking member 20, an external force needs to be applied to the limiting slide rod 200 so that the limiting slide rod 200 moves from the first state to the second state. At this time, the first head 120 can be rotated and removed from the first locking member 20 .
  • the first head 120 includes a first central axis 121 in the same axial direction as the shaft body 110 , and a protruding portion 122 formed to protrude outward along the radial direction of the first central axis 121 .
  • the portion 122 and the shaft body portion 110 are spaced apart in the axial direction of the shaft body portion 110 with an interval of The axial depth of the limiting socket 22 is less than X1.
  • the limiting socket 22 includes a central axis hole 22a corresponding to the first central axis 121 and a side hole 22b corresponding to the protruding portion 122.
  • one end of the first head 120 with the protrusion 122 can be inserted into the accommodation cavity 21 through the limiting insertion hole 22, and when the first head 120 faces the
  • the overlapping portion of the limiting slide rod 200 and the first head 120 moves into the side hole 22b driven by the elastic member 300.
  • the limit slide rod 200 corresponds to the side hole 22b in its axial direction.
  • the limit slide rod 200 can be driven from the second state to the first state by the elastic member 300, so that the limit slide rod 200
  • the overlapping portion of the first head 120 moves to the side hole 22b. Since the overlapping portion of the limiting slide rod 200 and the first head 120 is located in the side hole 22b, and the limiting slide rod 200 overlaps the first head 120
  • the part protrudes from the outer circumferential surface of the first central shaft 121, so that the side hole 22b limits the rotation of the limiting slide rod 200 relative to the axis of the central axis hole 22a, thereby preventing the protruding portion 122 from rotating to correspond to the side hole 22b, and thus the protruding portion 122 cannot be detached from the accommodation cavity 21 , so that the first head 120 and the first locking member 20 are stably connected. Only when an external force is applied to overcome the elastic force of the elastic member 300 so that the limiting slide rod 200 is converted from the first state to the second state, the protruding portion 122 can be taken out of the accommodation
  • the central axis hole 22a corresponds to the first central axis 121, and the overlapping portion of the limiting slide rod 200 and the first head 120 protrudes from the outer peripheral surface of the first central axis 121, during normal use, only When the first head 120 needs to be inserted into the limit jack 22, the end surface of the limit jack 22 where the insertion opening is located will resist the end of the limit slide rod 200 toward the first head 120, so that as the first head After the first head 120 is inserted, the limit slide rod 200 will gradually change from the first state to the second state, and then the first head 120 will be rotated to the preset angle, and the limit slide rod 200 will automatically change from the second state to the first state. .
  • the first head 120 can also be installed on the first locking member 20. . Improved user convenience and performance.
  • the protruding portion 122 includes a first protruding portion 1221 and a second protruding portion 1222.
  • the first protruding portion 1221 and the second protruding portion 1222 are spaced around the central axis of the first central axis 121, and the first protruding portion 1221 and the second protruding portion 1222 are spaced apart.
  • the protruding part 1221 and the second protruding part 1222 are symmetrically arranged.
  • the first protruding part 1221 and the second protruding part 1222 are respectively spaced apart from the shaft body part 110 in the axial direction of the shaft body part 110 and the spacing between them is X1 , the length of the part of the limiting slide rod 200 beyond the chute 111 does not exceed X1. Since the first protruding part 1221 and the second protruding part 1222 are symmetrically arranged, the limiting socket 22 has two opposite side holes 22b, so that no matter which direction it is rotated 90 degrees, the limiting hole 22 can be easily moved. The portion of the sliding rod 200 that exceeds the sliding groove 111 (the portion that overlaps the first head 120 ) enters one of the side holes 22 b, thereby realizing the locking of the first head 120 and the first locking member 20 .
  • the shape and size of the overlapping portion of the limiting slide rod 200 and the first head 120 are adapted to the side hole 22b, so that when the first head 120 is locked with the first locking member 20, the shape and size of the overlapping portion can be avoided.
  • the small angle rotation between the first head 120 and the first locking member 20 improves the stability of the connection between the first head 120 and the first locking member 20 .
  • the slide groove 111 includes a guide groove 1111, a limit groove 1112, and a limit through hole 1113 connecting the guide groove 1111 and the limit groove 1112.
  • the guide groove 1111, the limit groove 1112, and the limit through hole. 1113 all extend along the axial direction of the shaft body 110.
  • One end of the guide groove 1111 penetrates the shaft body 110 along the axial direction of the shaft body 110.
  • the guide groove 1111 and the limiting groove 1112 are respectively formed on opposite sides of the shaft body 110. on both sides.
  • the guide groove 1111 and the limiting groove 1112 are respectively formed on opposite sides of the shaft body 110, the balance of the strength of each position of the connection body 100 can be improved and the strength of certain positions of the connection body 100 can be avoided. too low.
  • the limiting slide rod 200 includes a main sliding rod 210 slidably disposed in the guide groove 1111, a limiting rod 220 integrally formed on one side of the main sliding rod 210, and a limiting rod 220 integrally formed on the other side of the main sliding rod 210.
  • the toggle part 230 extends out of the guide groove 1111 along the radial direction of the shaft body 110.
  • the limit rod 220 passes through the limit through hole 1113 and extends into the limit groove 1112.
  • the elastic member 300 is arranged in the limit position. In the groove 1112 , one end of the elastic member 300 is in contact with the limiting rod 220 , and the other end of the elastic member 300 is in contact with the shaft body 110 .
  • the moving distance of the limiting slide rod 200 in this embodiment is mainly limited by the length of the limiting through hole 1113 and the limiting groove 1112 in the axial direction of the shaft body 110 .
  • the limiting through hole 1113 and the limiting groove 1112 are flush with one end toward the second head 130 , so that the lengths of the limiting groove 1112 and the limiting through hole 1113 can be maximized.
  • the guide groove 1111 includes an upper groove portion 1111a and a lower groove portion 1111b.
  • the bottom wall of the upper groove portion 1111a is recessed radially inward to form a lower groove portion 1111b.
  • One end of the upper groove portion 1111a is along the axis of the shaft body 110
  • the end of the upper groove 1111a penetrating the shaft body 110 is the first end, and the end of the upper groove 1111a facing the first head 120 is also the first end.
  • the main sliding rod 210 includes a The upper sliding rod portion 211 in the portion 1111a and the lower sliding rod portion 212 located in the lower groove portion 1111b.
  • the end of the lower sliding rod portion 212 facing the first end is in contact with the end of the lower groove portion 1111b facing the first end. on the inner wall, and the limiting rod 220 is in contact with the inner wall of one end of the limiting through hole 1113 facing the first end.
  • the limit slide rod 200 is simultaneously limited by the lower groove portion 1111b and the limit through hole 1113, so that multiple positions of the limit slide rod 200 can be stressed, thereby reducing damage to the limit slide rod 200.
  • the length of the lower groove portion 1111b extending along the axial direction of the shaft body 110 is L1
  • the length of the lower rod portion 212 along the axial direction of the shaft body 110 is L2
  • the limiting through hole 1113 extends along the axial direction of the shaft body 110.
  • the through holes 1113 and the like cannot be fully utilized, so that the connection body 100 in this embodiment can maintain the required strength to the greatest extent while meeting the slotting requirements.
  • the first head 120 toward the first end is provided with a guide hole (not shown in the figure) that communicates with the lower groove portion 1111b along the axial direction of the shaft body portion 110.
  • the upper sliding rod portion 211 or the lower sliding rod portion 212 is integrally formed with a guide rod portion 213 , and the guide rod portion 213 is slidably inserted into the guide hole along the axial direction of the shaft body portion 110 .
  • the sliding rod installed in the sliding groove 111 can be prevented from easily coming out of the sliding groove 111, and can also be used as a sliding guide for the sliding rod.
  • the limiting rod 220 is integrally formed with an assembly rod portion 221 , which is disposed in the limiting groove 1112 .
  • the elastic member 300 is a spring, and the spring is sleeved on the assembly rod portion 221 .
  • the assembly rod 221 can facilitate the installation of the spring and prevent the spring from coming out of the limiting groove 1112 .
  • the second head 130 and the first head 120 may be the same, and the second locking part 30 and the first locking part 20 may also be the same. In this case, two limiting parts are required.
  • the sliding rod 200 is cooperatively connected with the second locking part 30 and the first locking part 20 respectively.
  • An embodiment of the present invention also provides a second locking part 30 that is different from the first locking part 20 .
  • the second locking part 30 is used to connect with the second head 130 .
  • the second head 130 includes a second central axis 131 in the same axial direction as the shaft body 110 and a radial outward protrusion formed along the second central axis 131 .
  • the annular protrusion 132 is spaced apart from the shaft body 110 in the axial direction of the shaft body 110 and encloses an annular groove 133.
  • the radial cross section of the second central axis 131 is preferably circular, but can also be in other shapes, such as rectangular, square, waist-shaped, etc., and the shape of the annular protrusion 132 also follows the shape of the second central axis 131 The shape can be changed appropriately.
  • the radial cross section of the second central axis 131 is circular
  • the radial cross section of the annular protrusion 132 is circular
  • the shape of the annular groove 133 also changes with the second central axis 131.
  • the shape of the central axis 131 and the annular protrusion 132 changes.
  • the end surface of the annular protrusion 132 away from the shaft body 110 is flush with the end surface of the second central shaft 131 away from the shaft body 110 , which not only facilitates the production and processing of the second head 130 , but also facilitates the connection with the second locking member. 30 connections between fits.
  • the second locking member 30 in this embodiment includes a base 500 , a bottom plate 600 and a limiting member 700 .
  • the base 500 is provided with a mounting through hole 510 , and the mounting through hole 510 has a first port 511 and a second port 512 opposite to each other.
  • the base plate 600 is disposed on the base 500 and the base plate 600 can at least partially cover the first port 511 of the mounting through hole 510. After the second head 130 is installed in the mounting through hole 510, at least part of the annular protrusion 132 will abut on the mounting through hole 510. On the bottom plate 600 (when you want to remove the annular protrusion 132 from the first port 511 from the mounting through hole 510), so that the bottom plate 600 will restrict the annular protrusion 132 from coming out of the first port 511 from the mounting through hole 510.
  • the bottom plate 600 can completely cover the first port 511 , and of course, it may not be. Complete capping is sufficient as long as it can prevent the annular protrusion 132 from being separated from the first port 511 from the installation through hole 510 .
  • the surface of the part of the bottom plate 600 used to cover the first port 511 facing the second port 512 is set as the first plane 610. It should be noted that the plane in this embodiment or the following embodiments refers to It is basically flat, not flat in the absolute sense.
  • the limiting member 700 is disposed on the base 500 and the limiting member 700 can partially cover the second port 512 of the mounting through hole 510, and the annular protrusion 132 can penetrate into the mounting through hole through the unblocked position of the second port 512.
  • 510 it should be noted that the limiting member 700 in this embodiment cannot completely cover the second port 512, but after the limiting member 700 covers it, there still needs to be enough opening area for the annular protrusion 132. Insert into the mounting through hole 510 , preferably along the axial direction of the mounting through hole 510 , and completely extend the annular protrusion 132 from the second port 512 into the mounting through hole 510 .
  • the limiting member 700 is provided with a half-axis hole 710 that matches the second central axis 131.
  • the axial direction of the half-axis hole 710 is connected with the installation passage.
  • the axial directions of the holes 510 are the same.
  • the half-axis hole 710 has a notch 720.
  • the second central axis 131 can enter the half-axis hole 710 through the notch 720.
  • the second center The adaptation of the shaft 131 to the half-shaft hole 710 means that the size and shape of the second central shaft 131 are basically the same as the size and shape of the half-shaft hole 710 , and the size of the half-shaft hole 710 is slightly larger than the size of the second central shaft 131 , so that It is convenient for the second central shaft 131 to enter the half shaft hole 710.
  • the cross section of the second central shaft 131 is circular
  • the radial cross section of the half shaft hole 710 is basically the same as the outer diameter of the second central shaft 131. semicircle.
  • the surface of the part of the limiting member 700 used to cover the second port 512 facing the first port 511 is the second plane 730; the minimum distance between the first plane 610 and the second plane 730 is not less than an annular shape.
  • each position of the annular protrusion 132 in the axial direction of the second central axis 131 is consistent.
  • the method of using the connection device in this embodiment is: first insert the second head 130 on the connection mechanism 10 from the second port 512 into the installation through hole 510 until the annular protrusion 132 is completely inserted into the installation through hole 510.
  • the minimum distance between the first plane 610 and the second plane 730 is not less than the thickness of the annular protrusion 132 in the axial direction of the second central axis 131 , so that the connecting mechanism 10 can be moved along the radial direction of the half-axis hole 710 .
  • the second central shaft 131 is moved into the half shaft hole 710.
  • connection mechanism 10 and the second locking member 30 are convenient and quick to connect and disassemble, which can improve work efficiency.
  • the first plane 610 and the second plane 730 are arranged in parallel, and the distance between the first plane 610 and the second plane 730 is substantially the same as the thickness of the annular protrusion 132 in the axial direction of the second central axis 131, and further The stability of the fit between the annular protrusion 132 and the mounting through hole 510 can be improved.
  • the second locking member 30 or the connecting mechanism 10 is moved in other directions. The second central shaft 131 will not be easily moved out of the half shaft hole 710 regardless of the force. Especially when the first plane 610 covers most of the first port 511, it will be even more difficult to move the second central shaft 131 out of the half shaft hole. Removed within 710.
  • the second central axis 131 and the annular protrusion 132 are integrally formed, and the base 500, the bottom plate 600 and the limiting member 700 are integrally formed. Furthermore, the connection strength of the connection device in this embodiment can be improved.
  • the limiter 700 and the base 500 in this embodiment have a first connection surface 741 and a second connection surface. 742, the first connection surface 741 is connected to the inner wall of the installation through hole 510, and the second connection surface 742 is connected to the plane where the second port 512 of the base 500 is located, in order to prevent the base 500 from being in the axial direction of the installation through hole 510
  • the connection strength between the base 500 and the limiting member 700 can be greatly improved by connecting the first connection surface 741 and the second connection surface 742 to the base 500 .
  • the radial cross section of the second central axis 131 is circular
  • the radial cross section of the annular protrusion 132 is annular
  • the radial cross section of the half shaft hole 710 is a semicircle
  • the second plane 730 is The annular surface is coaxial with the half-axis hole 710 , and the difference obtained by subtracting the inner diameter from the outer diameter of the annular surface is not less than the difference from the outer diameter of the annular protrusion 132 minus the outer diameter of the second central axis 131 .
  • the difference obtained by subtracting the inner diameter from the outer diameter of the annular surface is not less than the difference from the outer diameter of the annular protrusion 132 minus the outer diameter of the second central axis 131, it can be ensured that the second central axis 131 is completely After entering the half shaft hole 710 , the side surface of the annular protrusion 132 facing the shaft body 110 can all abut against the second plane 730 , thereby increasing the contact area between the annular protrusion 132 and the limiting member 700 , thereby improving the The connection strength between the second locking piece 30 and the connecting mechanism 10 enables the connecting device in this embodiment to carry heavier objects.
  • the radial cross-section of the mounting through hole 510 is a waist-shaped surface.
  • the waist-shaped surface includes two semicircular surfaces and a rectangular surface.
  • the diameter of the semicircular surface is adapted to the outer diameter of the annular protrusion 132. It should be noted that the semicircular surface
  • the adaptation of the diameter of the surface to the outer diameter of the annular protrusion 132 means that the diameter of the semicircular surface is substantially the same as the outer diameter of the annular protrusion 132 , and the diameter of the semicircular surface is slightly larger than the outer diameter of the annular protrusion 132 .
  • the radial cross section of the mounting through hole 510 is a waisted surface, and the diameter of the semicircular surface of the waisted surface is adapted to the outer diameter of the annular protrusion 132 , the movement path of the annular protrusion 132 in the mounting through hole 510 is limited. , can only move along the preset direction, which can improve the user's operational convenience and improve the efficiency of connection or disassembly.
  • the distance between the centers of the two semicircular surfaces of the waist surface is smaller than the outer diameter of the annular protrusion 132 , and a circle drawn on the plane where the second plane 730 is located is set with the radius and center of one of the semicircular surfaces.
  • the shape is a reference circle, and in the axial direction of the mounting through hole 510, the second plane 730 does not coincide with the reference circle.
  • the reference plane and the outer circle size of the radial cross section of the annular protrusion 132 are basically the same. Since the second plane 730 and the reference plane do not coincide with the axial direction of the mounting through hole 510, the annular shape can be ensured.
  • the protrusion 132 can enter the mounting through hole 510 from the second port 512 .
  • the second locking member 30 also includes a mounting base 800 for mounting the base 500.
  • the mounting base 800 is provided with an assembly slot 810 and a limiting hole 820 connected to the assembly slot 810.
  • the limiting hole 820 is adapted to the size and shape of the annular protrusion 132
  • the base 500 is slidably disposed in the assembly groove 810 and the second port 512 faces the limiting hole 820, the base 500 can at least slide to the third state and the fourth state, In the third state, the annular protrusion 132 can enter the installation through hole 510 through the second port 512 after passing through the limiting hole 820; the movement of the driving base 500 relative to the assembly groove 810 allows the second central shaft 131 to enter through the gap 720.
  • the base 500 is in the fourth state at this time.
  • the method of using the connection device in this embodiment is as follows: first, when the base 500 is moved to the third state, the second head 130 is inserted into the limiting hole 820 until the annular protrusion 132 enters from the second port 512 Install it in the through hole 510, and then move the base 500 so that the half-axis hole 710 on the limiter 700 is set in the annular groove 133, that is, the second central axis 131 enters the half-axis hole 710 from the gap 720. At this time The second flat surface 730 can limit the separation of the annular protrusion 132 from the mounting through hole 510.
  • the base 500 is in the fourth position. state, the connection stability between the second locking piece 30 and the connecting mechanism 10 can be ensured.
  • the base 500 can be moved from the fourth state to the third state. At this time, the connecting mechanism 10 can be disengaged from the second locking member 30 Take it off.
  • an inclined surface 750 is formed on the limiting member 700.
  • the second plane 730 is located in the inclined surface 750, and in the axial direction and diameter of the mounting through hole 510, the second plane 730 is located in the inclined surface 750.
  • the inclined surfaces 750 all have sub-projection surfaces. The closer the inclined surface 750 is to the notch 720, the smaller the distance to the plane where the second port 512 is located.
  • the position corresponding to the inclined surface 750 and the notch 720 is The distance to the plane where the second port 512 is located is 0.
  • the annular protrusion 132 can smoothly enter the installation through hole 510 from the second port 512.
  • the annular protrusion 132 can enter the installation through hole 510 from the second port 512 smoothly.
  • the protrusion 132 can smoothly enter the installation through hole 510 from the second port 512.
  • the annular protrusion 132 When the base 500 is in the fourth state, the annular protrusion 132 will press against the inclined surface 750 while moving into the installation through hole 510. Due to the pressure of the annular protrusion 132 against the inclined surface 750, the base 500 will move relative to the assembly groove 810, thereby causing the base 500 to transition from the fourth state to the third state, so that the annular protrusion 132 can smoothly move from the second state to the third state. Port 512 enters mounting through hole 510.
  • the second locking member 30 also includes a spring member 910 and a pressing member 920.
  • the spring member 910 is provided between the base 500 and the mounting base 800. When no external force is applied, the elastic force of the spring member 910 acts on the base 500.
  • the base 500 can be driven to move from the third state to the fourth state.
  • the base 500 can be maintained in the fourth state by the spring member 910 without being subject to an external force greater than the elastic force, thereby preventing the base 500 from accidentally switching from the fourth state to the third state.
  • the second head 130 is detached from the second locking member 30, thereby avoiding danger.
  • the base 500 when the second head 130 is inserted into the mounting through hole 510 from the limiting hole 820, the base 500 can be transformed from the fourth state to the third state by squeezing the inclined surface 750. state, when the annular protrusion 132 is installed into the installation through hole 510, the base 500 will switch from the third state to the fourth state under the action of the spring member 910. During the entire process of inserting the second head 130, the locking between the second head 130 and the second locking member 30 can be achieved without manually moving the base 500.
  • the mounting base 800 is formed with a guide through hole 830 that communicates with the assembly groove 810 .
  • the axial direction of the guide through hole 830 is the same as the movement direction of the base 500 relative to the assembly groove 810 .
  • the pressing member 920 moves along the axis of the guide through hole 830 .
  • One end of the pressing member 920 is movably disposed in the guide through hole 830 and abuts on the base 500 .
  • the other end of the pressing member 920 extends out of the guide through hole 830 in a direction away from the assembly groove 810 .
  • the connection device also includes a safety piece 930.
  • the mounting base 800 is provided with a guide chute 840.
  • the safety piece 930 is slidably disposed in the guide chute 840.
  • the safety piece 930 can at least slide to the first position and the second position. In the first position, at least part of the safety member 930 is located on the movement path of the base 500 or the bottom plate 600 or the limiting member 700 and does not extend into the mounting through hole 510. In the second position, The safety part 930 is not disposed on the movement path of the base 500 or the bottom plate 600 or the limiting part 700.
  • the safety part 930 can limit the movement of the base 500 from the first position.
  • the fourth state is converted to the third state.
  • the safety part 930 can prevent the base 500 from transitioning from the fourth state to the third state due to accidentally touching the pressing part 920, thereby making the second locking part 30 in this embodiment and
  • the connection mechanism 10 provides a more stable connection, and the safety performance is further improved.
  • connection device further includes a limiting component, which can limit the sliding of the limiting slide rod 200 from the first state to the second state.
  • the limiting component can prevent the limiting slide rod 200 from sliding from the first state to the second state by overcoming the elastic force of the elastic member 300 due to accidental touch.
  • the stability of the connection between the first head 120 and the first locking piece 20 is further improved.
  • the shaft body 110 is provided with a first pin hole along its radial direction
  • the main slide rod 210 is provided with a second pin hole.
  • the first pin hole and the second pin hole are provided in the first state.
  • the pin holes are aligned
  • the limiting component includes a pin shaft (not shown in the figure), which is detachably inserted into the first pin hole and the second pin hole.
  • the first pin hole and the second pin hole are aligned.
  • the pin can be inserted into the first pin hole and the second pin hole.
  • the movement of the limiting slide rod 200 can be restricted. , thereby restricting the first head 120 from being removed from the first locking member 20 , thereby further improving the connection stability between the first head 120 and the first locking member 20 .
  • the safety seat includes a limiting channel wall 850 for enclosing a portion of the limiting hole 820 .
  • the limiting component is the limiting channel wall 850 .
  • the limiting channel wall 850 is used to form a partial limiting hole 820 .
  • One end of the channel wall 850 facing the second head 130 is located on a path along which the dialing part 230 moves when transitioning from the first state to the second state.
  • one end of the limiting channel wall 850 facing the second head 130 is located on the path of the dialing portion 230 when transitioning from the first state to the second state, so that The limiting channel wall 850 can limit the movement of the toggle portion 230 and thus limit the transition of the limiting slide rod 200 from the first state to the second state, so that when the second head 130 and the second locking member 30 are not separated, the first head The first head 120 and the first locking member 20 cannot be removed. Combining the connection method of the second head 130 and the second locking member 30 in the above embodiment, it can be seen that the first head 120 and the second head 130 are connected respectively.
  • the second head 130 In order to separate the first locking member 20 from the first head 120, the second head 130 must be separated from the second locking member 30 first, and the second head 130 must be separated from the second locking member 30.
  • the first head 120 and the first locking member 20 can be further separated, so that the connecting device in this embodiment can still ensure that the connecting mechanism 10 and the first locking member 20 are connected even under rapid movement and severe vibration.
  • the connection stability between the second locking parts 30 is necessary to move the safety part 930 to the first position, and then move the pressing part 920 so that the base 500 is in the third state, and then the second head 130 can be removed from the second locking part 30.
  • the shaft body 110 includes a first shaft part 113 and a second shaft part 114 integrally formed on the first shaft part 113.
  • the outer diameter of the first shaft part 113 is larger than the outer diameter of the second shaft part 114.
  • a step 1134 is formed between the first shaft part 113 and the second shaft part 114, the chute 111 is opened on the second shaft part 114, the connection mechanism 10 also includes a sleeve 400, the sleeve 400 is sleeved on the second shaft
  • the second shaft portion 114 has the same length as the sleeve 400 , and one end of the sleeve 400 abuts the step 1134 .
  • the chute 111 can be covered by the sleeve 400 , thereby preventing the spring member 910 and the limiting slide rod 200 from coming out of the chute 111 .
  • the shaft body part 110 includes a first shaft part 113 and a second shaft part 114 integrally formed on the first shaft part 113, and the slide groove 111 is opened on the second shaft part 114, it can be processed by simple machining.
  • the shaft body part 110 can be made in this way and the slide groove 111 is provided on the shaft body part 110.
  • connection body 100 in this embodiment can not only be made through simple mechanical processing, but also has high strength and can carry heavier objects.
  • the second locking part 30 is connected to the lamp, the first locking part 20 is connected to a pipe clamp, and the pipe clamp can be fixed on the pipe.
  • the first head 120 of the connecting mechanism 10 is connected to the first locking part 30 .
  • the second head 130 of the connecting mechanism 10 is connected with the second locking part 30 to fix the lamp on the pipe.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

Mécanisme de liaison (10) comprenant un corps principal de liaison (100), une tige coulissante de limitation (200) et un élément élastique (300). Le corps principal de liaison (100) comprend une partie de corps d'arbre (110), ainsi qu'une première tête (120) et une seconde tête (130) qui sont reliées à deux extrémités de la partie de corps d'arbre (110), la partie de corps d'arbre (110) étant pourvue d'une rainure de coulissement (111), la rainure de coulissement (111) s'étendant dans la direction axiale de la partie de corps d'arbre (110), et une extrémité de la rainure de coulissement (111) pénétrant dans la partie de corps d'arbre (110) dans la direction axiale de la partie de corps d'arbre (110). La tige coulissante de limitation (200) est disposée coulissante dans la rainure de coulissement (111), dans la direction axiale de la partie de corps d'arbre (110), et une extrémité de la tige coulissante de limitation (200) peut coulisser vers au moins un premier état et un second état ; lorsqu'elle se situe dans le premier état, une extrémité de la tige coulissante de limitation (200) s'étend au moins partiellement au-delà de la rainure de coulissement (111) et chevauche la première tête (120) ou la seconde tête (130) dans la direction radiale de la partie de corps d'arbre (110), et la partie où la tige coulissante de limitation (200) chevauche la première tête (120) ou la seconde tête (130) fait saillie à partir d'une surface périphérique externe de la première tête (120) ou de la seconde tête (130) dans la direction radiale de la partie de corps d'arbre (110) ; et lorsqu'elle se situe dans le second état, la tige coulissante de limitation (200) ne chevauche pas la première tête (120) ou la seconde tête (130) dans la direction radiale de la partie de corps d'arbre (110).
PCT/CN2023/098900 2022-06-08 2023-06-07 Mécanisme de liaison WO2023237005A1 (fr)

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CN115962210A (zh) * 2022-06-08 2023-04-14 江门市广利电子科技有限公司 一种安装装置
CN115962206B (zh) * 2022-06-08 2024-01-23 江门市广利电子科技有限公司 连接机构

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