CN216767970U - Soft material connects fastening components - Google Patents

Soft material connects fastening components Download PDF

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Publication number
CN216767970U
CN216767970U CN202220047478.XU CN202220047478U CN216767970U CN 216767970 U CN216767970 U CN 216767970U CN 202220047478 U CN202220047478 U CN 202220047478U CN 216767970 U CN216767970 U CN 216767970U
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CN
China
Prior art keywords
screw
sleeve
hole
soft material
sliding sleeve
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN202220047478.XU
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Chinese (zh)
Inventor
余劲明
向沛铖
陶国荣
詹昊
李林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou University
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Zhengzhou University
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Publication date
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Priority to CN202220047478.XU priority Critical patent/CN216767970U/en
Application granted granted Critical
Publication of CN216767970U publication Critical patent/CN216767970U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a soft material connection fastening assembly, which aims to solve the problem that a screw thread is easy to damage and lose efficacy to cause connection failure when a soft material is connected through the screw thread. Including the outer sleeve, the guide bar, interior screw rod, hook mechanism, the outer sleeve includes in it along the last screw and the unthreaded hole down that the axis direction extends, go up the upper end opening of screw, the lower extreme of outer sleeve has the conical head, be equipped with the split groove that a plurality of radial settings and intercommunication go up the screw on the conical head, the coaxial setting of guide bar is downthehole at unthreaded hole down, the lower extreme of guide bar passes through the inner wall fixed connection of connecting portion and conical head, interior screw rod spiral dress is in last screw, the upper end of interior screw rod has the portion of twisting soon that supplies the instrument to twist, the sliding sleeve slip cover is established on the guide bar, the upper end and the interior screw rod of sliding sleeve are connected, hook mechanism with split groove one-to-one sets up, including the claw and first, second connecting rod, when twisting interior screw rod in order to drive the sliding sleeve and move down along the guide bar, the sliding sleeve drives each claw upwards to stretch out with the hook from the split groove and hangs on the inner wall of connecting hole.

Description

Soft material connects fastening components
Technical Field
The utility model relates to a soft material connection fastening assembly.
Background
As is well known, the connection of the components by screws or bolts is a common and easy-to-use connection mode, and the connection is firm and reliable and the disassembly and the assembly are convenient. For example, when a plate is attached to a block, the plate is typically secured relative to the block by drilling holes in the block, drilling holes in the plate, and passing screws or bolts through the holes in the plate and into the threaded holes in the block.
However, when flexible or soft materials (such as plastic, aluminum, rubber, etc.) are used for connection, the thread bearing capacity of the threaded hole is limited, and when the screw is used in a scene requiring repeated assembly and disassembly, the thread is easily damaged and fails, and at the moment, the screw or bolt cannot be normally engaged with the threaded hole on the block to provide a force for pressing the plate on the block.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a soft material connection fastening assembly, which is used for solving the technical problem that threads are easy to damage and lose efficacy to cause connection failure when soft materials are connected and fastened through screws or bolts.
The technical scheme of the utility model is as follows: a soft material connection fastening assembly comprises:
the outer sleeve is used for being inserted into the connecting hole of the connected part and comprises an upper screw hole and a lower unthreaded hole which extend along the axial direction in the outer sleeve, the upper screw hole is coaxially communicated with the lower unthreaded hole, the upper end of the upper screw hole is provided with an opening, the lower end of the outer sleeve is provided with a conical head, the conical head is provided with a plurality of split grooves which are radially arranged and communicated with the upper screw hole, and the periphery of the upper end of the outer sleeve is provided with a blocking table for blocking the connected part;
the guide rod is coaxially arranged in the lower unthreaded hole, and the lower end of the guide rod is fixedly connected with the inner wall of the conical head through a connecting part;
the upper end of the inner screw rod is provided with a screwing part for screwing a tool;
the sliding sleeve is sleeved on the guide rod in a sliding manner, and the upper end of the sliding sleeve is connected with the inner screw rod;
the hooking mechanisms are arranged in one-to-one correspondence with the splitting grooves and comprise hook claws, a first connecting rod and a second connecting rod, the upper ends of the hook claws are hinged with the lower ends of the first connecting rod, the middle parts of the hook claws are hinged with the upper ends of the second connecting rod, the upper end of the first connecting rod is hinged with the sliding sleeve, and the lower end of the second connecting rod is hinged with the groove wall of the corresponding splitting groove;
when the inner screw rod is screwed to drive the sliding sleeve to move downwards along the guide rod, the sliding sleeve drives the hook claws of the hook mechanisms to extend upwards from the splitting groove so as to be hooked on the inner wall of the connecting hole.
Further, an external thread is arranged on the outer peripheral surface of the outer sleeve for being in threaded fit with the connecting hole of the connected part. The setting of external screw thread for the outer sleeve also can carry out the first layer with the connecting hole and be connected, then the second layer of cooperation hook mechanism is connected, realizes more firm connection.
Furthermore, the upper part of the outer sleeve is also provided with a screwing sleeve, the diameter of an inner hole of the screwing sleeve is larger than that of the inner screw rod, and the peripheral surface of the screwing sleeve is in a regular hexagon shape. The arrangement of the screwing sleeve facilitates the external sleeve to be screwed in the connecting hole of the connected part through the external thread, and the screwing sleeve cannot interfere the dismounting and mounting of the internal screw.
Further, the outer peripheral surface of the screwing part is regular hexagon.
Further, there are four split slots and four corresponding catch mechanisms.
Further, the stop table has two, and the two stop tables are symmetrically arranged about the axis of the outer sleeve.
The utility model has the beneficial effects that: when the soft material connection fastening assembly is used, the inner screw rod is reversely screwed to drive the hooking mechanisms to retract into the lower smooth holes, the whole of the hooking mechanisms is inserted into or screwed into the connecting holes of the connected parts, then the inner screw rod is positively screwed to drive the sliding sleeve to slide downwards relative to the guide rod, the sliding sleeve simultaneously drives each hooking mechanism to move, each hooking mechanism is actually a crank sliding block mechanism which linearly operates and is converted into the swinging motion of the hook claw, namely, the sliding sleeve moves downwards to drive the hook of each hook claw to extend out of the corresponding splitting groove and tilt upwards, so that the hook penetrates into the hole wall of the connecting hole and enters the hole wall of the connecting hole, the fixation relative to the connected parts is realized, and the connected parts can be pressed through the blocking table. Therefore, by adopting the scheme of the utility model, when the parts made of softer materials are connected, even if the connecting hole formed by connecting the parts is damaged by screwing the screw for multiple times, the firm connection between the parts can be realized after the parts are replaced by the fastening assembly, and the parts are not easy to loosen and have stronger bearing capacity.
Drawings
FIG. 1 is a schematic perspective view of a soft material fastening component of an embodiment 1 of the present invention;
FIG. 2 is a view of the underside of FIG. 1;
FIG. 3 is a perspective view of FIG. 1 with the outer sleeve removed;
FIG. 4 is a view of the part of FIG. 1 taken along the central axis from the beginning;
FIG. 5 is a cross-sectional view of the soft material attachment fastener assembly in use;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a sectional view of the soft material fastening component of the present invention in an operating state of embodiment 2;
in the figure: 1-connected part, 11-connecting hole, 2-outer sleeve, 21-upper screw hole, 22-lower unthreaded hole, 23-conical head, 24-split groove, 25-baffle, 26-screwing sleeve, 3-guide rod, 31-connecting part, 4-inner screw, 41-screwing part, 5-sliding sleeve, 6-hooking mechanism, 61-first connecting rod, 62-second connecting rod, 63-claw, 64-articulated shaft, L-thread and F-hexagon.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1 of a soft material fastening component of the present invention: as shown in fig. 1-6, the soft material connecting and fastening assembly includes an outer sleeve 2, a guide rod 3, an inner screw 4, a sliding sleeve 5, and a hooking mechanism 6. The above members are all made of metal, preferably steel.
The outer sleeve 2 is used for being inserted into the connecting hole 11 of the connected part 31 and comprises an upper screw hole 21 and a lower unthreaded hole 22 which extend along the axial direction in the connecting hole, the upper screw hole 21 is provided with internal threads, the inner diameter of the lower unthreaded hole 22 is larger than that of the upper screw hole 21, the upper screw hole 21 is coaxially communicated with the lower unthreaded hole 22, the upper end of the upper screw hole 21 is provided with an opening, the lower end of the outer sleeve 2 is provided with a conical head 23, the conical head 23 is provided with a plurality of splitting grooves 24 which are radially arranged and communicated with the upper screw hole 21, the number of the splitting grooves is 4 in the embodiment, the periphery of the upper end of the outer sleeve 2 is provided with a blocking platform 25 for blocking the connected part 31, and the blocking platform 25 can be an annular platform or at least two protrusions which are uniformly distributed in the circumferential direction. This embodiment is two ear-like protrusions.
The guide rod 3 is coaxially arranged in the lower unthreaded hole 22, the lower end of the guide rod 3 is fixedly connected with the inner wall of the conical head 23 through connecting parts 31, and the number of the connecting parts 31 is four in the embodiment.
The inner screw 4 is screwed in the upper screw hole 21, the upper end of the inner screw 4 is provided with a screwing part 41 for screwing a tool, the outer peripheral surface of the screwing part 41 is a regular hexagon to form an outer hexagon, and a straight line or a cross-shaped groove can be substituted for screwing by using a screwdriver.
The sliding sleeve 5 is a long tubular structure, the guide sliding sleeve is sleeved on the guide rod 3, and the upper end of the sliding sleeve 5 is connected with the inner screw rod 4.
The hooking mechanisms 6 are arranged in one-to-one correspondence with the splitting grooves 24, namely four hooking mechanisms 6 are arranged, each hooking mechanism 6 comprises a hook claw 63, a first connecting rod 61 and a second connecting rod 62, the upper end of the hook claw 63 is hinged to the lower end of the first connecting rod 61, the middle of the hook claw is hinged to the upper end of the second connecting rod 62, the upper end of the first connecting rod 61 is hinged to the sliding sleeve 5, and the lower end of the second connecting rod 62 is hinged to the groove wall corresponding to the splitting groove 24.
When the inner screw rod 4 is screwed to drive the sliding sleeve 5 to move downwards along the guide rod 3, the sliding sleeve 5 drives the hook claws 63 of each hooking mechanism 6 to extend upwards from the splitting groove 24 to be hooked on the inner wall of the connecting hole 11.
When the soft material connection fastening assembly is used, the inner screw rod 4 is reversely screwed to drive the hooking mechanisms 6 to retract into the lower unthreaded holes 22, the whole of the hooking mechanisms is inserted into or screwed into the connecting holes 11 of the connected part 31, then the inner screw rod 4 is forwardly screwed to drive the sliding sleeve 5 to slide downwards relative to the guide rod 3, the sliding sleeve 5 simultaneously drives each hooking mechanism 6 to move, each hooking mechanism 6 is actually a crank block mechanism which linearly operates and is converted into the swinging motion of the hook claw 63, namely, the sliding sleeve 5 moves downwards to drive the hook of each hook claw 63 to extend out from the corresponding split groove 24 and tilt upwards, so that the hook penetrates into the hole wall of the connecting hole 11 and enters the connected part 31 to be fixed, and the connected part can be pressed through the blocking platform 25. Therefore, by adopting the scheme of the utility model, when the parts made of softer materials are connected, even if the connecting hole 11 formed by connecting the parts is damaged by screwing the screw for multiple times, the firm connection between the parts can be realized after the parts are replaced by the fastening assembly, and the fastening assembly is not easy to loosen and has stronger bearing capacity.
Example 2 of a soft material connecting and fastening component of the present invention: as shown in fig. 7, the difference from embodiment 1 is that an external thread is provided on the outer peripheral surface of the outer sleeve 2 for screw-fitting with the attachment hole 11 of the attached portion 31. The arrangement of the external thread enables the outer sleeve 2 to be connected with the connecting hole 11 in a first layer, and then the outer sleeve is connected with the second layer of the hook mechanism 6 in a matching mode, so that firmer connection is achieved. The upper part of the outer sleeve 2 is also provided with a screwing sleeve 26, the inner hole diameter of the screwing sleeve 26 is larger than that of the inner screw rod 4, and the outer peripheral surface of the screwing sleeve 26 is a regular hexagon. The provision of the screw cap 26 facilitates the screwing of the outer sleeve 2 into the coupling hole 11 of the connected part 31 by means of its external thread, without the screw cap 26 interfering with the removal of the inner screw 4.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims (6)

1. The utility model provides a fastening components is connected to soft material which characterized in that includes:
the outer sleeve is used for being inserted into the connecting hole of the connected part and comprises an upper screw hole and a lower unthreaded hole which extend along the axial direction in the outer sleeve, the upper screw hole is coaxially communicated with the lower unthreaded hole, the upper end of the upper screw hole is provided with an opening, the lower end of the outer sleeve is provided with a conical head, the conical head is provided with a plurality of split grooves which are radially arranged and communicated with the upper screw hole, and the periphery of the upper end of the outer sleeve is provided with a blocking table for blocking the connected part;
the guide rod is coaxially arranged in the lower unthreaded hole, and the lower end of the guide rod is fixedly connected with the inner wall of the conical head through a connecting part;
the upper end of the inner screw rod is provided with a screwing part for screwing a tool;
the sliding sleeve is sleeved on the guide rod in a sliding manner, and the upper end of the sliding sleeve is connected with the inner screw rod;
the hooking mechanisms are arranged in one-to-one correspondence with the splitting grooves and comprise hook claws, a first connecting rod and a second connecting rod, the upper ends of the hook claws are hinged with the lower ends of the first connecting rod, the middle parts of the hook claws are hinged with the upper ends of the second connecting rod, the upper ends of the first connecting rod are hinged with the sliding sleeve, and the lower ends of the second connecting rod are hinged with the groove walls of the corresponding splitting grooves;
when the inner screw rod is screwed to drive the sliding sleeve to move downwards along the guide rod, the sliding sleeve drives the hook claws of the hook mechanisms to extend upwards from the splitting groove so as to be hooked on the inner wall of the connecting hole.
2. The soft material fastening assembly of claim 1, wherein the outer sleeve has an outer thread on its outer circumference for engaging with the connecting hole of the connected member.
3. The soft material connecting and fastening assembly as claimed in claim 2, wherein the outer sleeve is further provided with a screw sleeve at an upper portion thereof, an inner hole of the screw sleeve has a diameter larger than that of the inner screw, and an outer peripheral surface of the screw sleeve has a regular hexagon shape.
4. The soft material connecting and fastening assembly as claimed in any one of claims 1 to 3, wherein the outer peripheral surface of the screw portion is a regular hexagon.
5. The soft material attachment fastener of any one of claims 1-3 wherein there are four split slots and four corresponding catch mechanisms.
6. A soft material joining fastener assembly according to any one of claims 1 to 3 wherein there are two of said abutments, the two abutments being symmetrically disposed about the axis of the outer sleeve.
CN202220047478.XU 2022-01-10 2022-01-10 Soft material connects fastening components Expired - Fee Related CN216767970U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220047478.XU CN216767970U (en) 2022-01-10 2022-01-10 Soft material connects fastening components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220047478.XU CN216767970U (en) 2022-01-10 2022-01-10 Soft material connects fastening components

Publications (1)

Publication Number Publication Date
CN216767970U true CN216767970U (en) 2022-06-17

Family

ID=81976093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220047478.XU Expired - Fee Related CN216767970U (en) 2022-01-10 2022-01-10 Soft material connects fastening components

Country Status (1)

Country Link
CN (1) CN216767970U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220617

CF01 Termination of patent right due to non-payment of annual fee