CN214698675U - Quick-locking type fastening assembly structure - Google Patents

Quick-locking type fastening assembly structure Download PDF

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Publication number
CN214698675U
CN214698675U CN202120656968.5U CN202120656968U CN214698675U CN 214698675 U CN214698675 U CN 214698675U CN 202120656968 U CN202120656968 U CN 202120656968U CN 214698675 U CN214698675 U CN 214698675U
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China
Prior art keywords
base
hasp
spring
nail
base shell
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CN202120656968.5U
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Chinese (zh)
Inventor
王旺兵
贾云龙
邓涛
范亚峰
张钦
何旭
董帅
左世斌
张小连
万永
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Meishan CRRC Fastening System Co Ltd
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Meishan CRRC Fastening System Co Ltd
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Priority to CN202120656968.5U priority Critical patent/CN214698675U/en
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Abstract

The utility model discloses a quick-locking type fastening assembly structure. The nail rod passes through the spring to be detachably connected with the base to realize quick locking and fastening; the base is composed of a base shell, a hasp, a base retainer ring and a base spring; the base shell is a cylindrical container, one end of the base shell is open, two lug straight grooves are symmetrically arranged on the wall of the container with the open end, a through hole matched with the nail rod lock head is arranged at the other end of the base shell, and a radial installation mark groove and a rotation mark which are parallel to the radial connecting line of the two lug straight grooves are arranged on the end surface of the through hole; a base spring, a hasp and a base retainer ring are arranged in the base shell, and hasp lugs of two wings of the hasp are positioned in the lug straight grooves for limiting movement. The utility model discloses quick locking-type fastener has that joint strength is high, the anti vibration ability is strong, the installation is noiseless, repeatedly usable, the installation is dismantled conveniently, the installation rate is fast, be applicable to repeatedly draw advantages such as complicated operation environment of pressing alternating load effect. The tool is suitable for fastening and connecting in narrow space, the mounting tool is light, and the tool can be easily fastened and loosened by rotating 90 degrees.

Description

Quick-locking type fastening assembly structure
Technical Field
The utility model belongs to the technical field of the fastener manufacturing and designing, especially, belong to a quick connect fastener's manufacturing and designing technical field, concretely relates to quick locking-type fastening assembly base institutional advancement.
Background
The quick connection fastener is used for connection and fastening among materials in many industries, generally comprises a nail rod and a connection base, and the connection and fixation of the materials between the nail rod and the connection base are realized through quick clamping of the nail rod and the connection base.
Chinese application 202110018041.3 discloses a quick-lock fastener assembly. Consists of a nail rod, a conical spring, a cup-shaped gasket, a belleville spring and a base; the lock head of the nail rod is of an opposite gradient structure, the head is in an arc shape, and two sides of the head are respectively provided with a lug; the base is fixed or set up on another connecting piece through the base shell, and one end opening, the other end set up the through-hole, set up retaining ring recess, base spring and hasp in the shell, but hasp surface periphery is spacing and in cylindrical container open end movable arrangement by the base retaining ring that is fixed in the retaining ring recess. The quick locking type fastener is suitable for fastening connection in narrow space, can be installed manually or driven by tools, is light and handy in installation tool, and can be fastened and loosened easily by rotating 90 degrees.
The base shell of the structure is not provided with installation marks, the installation angle of each base is different after the base is pressed into the panel, and the angle of each lock catch used in matching with the bolt is different. Because every base installation angle is inconsistent, and the base that the pressure equipment was good is generally located the opposite side of enclosure space or connection work piece, when the installation screw rod passes through the hasp through-hole, need constantly rotate adjusting screw rod angle, if do not adjust or every screw rod head mounting groove orientation all unanimous insert the base, this kind of installation easily leads to the screw rod card to go into the base, if the screw in by force, can reduce whole quick-locking type fastening assembly's performance, still influence the whole outward appearance of installation back connecting piece, and simultaneously, because of the base bottom does not have rotatory sign, very easily anticlockwise rotation screw rod head instrument groove during the operation, this also causes inconvenience to the installation use.
Disclosure of Invention
The utility model discloses the purpose improves current quick locking-type fastening assembly base structure, provides an installation more convenient, couples more stable pleasing to the eye quick locking-type fastening assembly base structure.
The utility model discloses a following technical scheme realizes:
a quick locking type fastening assembly structure is characterized in that a fastening assembly is detachably connected with a base through a nail rod penetrating through a spring to realize quick locking and fastening; the method is characterized in that: the base is composed of a base shell, a hasp, a base retainer ring and a base spring;
the base is fixed or arranged on the other connecting piece through the base shell; the base shell is a cylindrical container, one end of the base shell is open, two lug straight grooves are symmetrically arranged on the wall of the container with the open end, the other end of the base shell is provided with a through hole matched with the nail rod lock head, and the surface of the end of the through hole is provided with a radial installation mark groove parallel to the radial connecting line of the two lug straight grooves; a base spring, a hasp and a base retainer ring are arranged in the base shell, and hasp lugs of two wings of the hasp are positioned in the lug straight grooves for limiting movement.
The surface of the through hole end of the base shell is provided with a rotation mark for indicating the rotation direction of the nail rod.
The nail rod sequentially penetrates through the conical spring, the cup-shaped gasket, the connecting piece and the belleville spring to be detachably connected with a base arranged on the other connecting piece to realize quick locking and fastening.
The nail rod comprises a nail head, a polished rod and a lock head which are sequentially formed; the diameter of the nail head is larger than that of the polished rod, the nail head is provided with a rotating structure for rotating the nail rod, the circumferential surface of the lower end of the polished rod is provided with a boss, the tapered end is of an opposite gradient structure, the head is in an arc shape, and two sides of the head are respectively provided with lugs; the conical spring is sleeved on the polished rod, the conical part is positioned at the nail head end, and the large end is in supporting contact with the cup-shaped gasket; the cup-shaped gasket is sleeved on the polished rod, and the periphery of the gasket is provided with a vertical folded edge for limiting the conical spring; the butterfly spring is sleeved on the polish rod and supported by the lug boss of the light receiving rod, and a connecting piece through which the nail rod penetrates is arranged between the butterfly spring and the cup-shaped gasket during installation.
The utility model discloses base shell open end inner wall sets up the retaining ring recess, and the base spring is arranged in cylindrical container and is supported the hasp, and hasp surface periphery is spacing and in the portable arrangement of cylindrical container open end by the base retaining ring that is fixed in the retaining ring recess.
And the outer wall surface of the base shell is provided with shell knurls.
The hasp is provided with a cylindrical structure with an irregular through hole, and hasp lugs are respectively arranged on two symmetrical side walls of the cylindrical structure and are used for being matched with two lug straight grooves of the base shell to limit sliding; the inner wall of the irregular through hole is symmetrically provided with an inclined locking channel and an arc groove at two sides of the connection line of the two hasp lugs, the inclined locking channel is obliquely arranged along the cylindrical axial direction of the hasps and gradually reduced in diameter for transition, and the lock head lugs slide along the inclined locking channel and fall into the arc groove for limiting and fixing when rotating.
The hasp is located the inboard one side of base and sets up the annular arch along irregular through-hole periphery and be used for the base spring spacing fixed.
The utility model discloses quick locking-type fastener structure is the improvement on the basis of china application 202110018041.3, and quick locking-type fastener after the improvement has that joint strength is high, the anti vibration ability is strong, the installation is noiseless, repeatedly usable, the installation is dismantled conveniently, the installation rate is fast, be applicable to repeatedly draw advantages such as complicated operational environment of pressure alternating load effect. The product is suitable for fastening connection in a narrow space, the installation can be driven by hand or tools, the installation tool is light, and fastening and loosening operations can be easily performed by rotating 90 degrees; the improved base structure greatly improves the problems of inconvenient installation, low installation efficiency, influence on the integral surface attractiveness of the connecting piece, product performance reduction caused by serious people and the like in actual use, and further improves the installation efficiency and the installation stability.
Drawings
FIG. 1 is a schematic cross-sectional view of a connecting and fastening structure of a quick-locking fastening assembly of the present invention;
FIG. 2 is a schematic view of the structure of the nail rod of the present invention;
FIG. 3 is a front view of the nail rod of the present invention;
FIG. 4 is a schematic top view of the nail shank of the present invention;
FIG. 5 is a schematic view of the connection state of the upper assembly of the fastening assembly of the present invention;
FIG. 6 is a schematic view of the cup gasket of the present invention assembly;
figure 7 is a schematic view of the conical spring assembly of the present invention;
fig. 8 is a schematic view of the assembly belleville spring of the present invention;
figure 9 is a schematic view of the assembly base of the present invention;
figure 10 is a cross-sectional schematic view of the base of the assembly of the present invention;
figure 11 is a schematic view, partially in section, of the assembly base housing of the present invention;
fig. 12 is a schematic view of a base housing of the present invention;
FIG. 13 is a schematic view of the front side of the base of the present invention
Figure 14 is a schematic view of the assembly base retainer ring of the present invention;
figure 15 is a schematic view of the assembly base spring of the present invention;
FIG. 16 is a perspective view of the base buckle of the present invention;
FIG. 17 is a front view of the base buckle of the present invention;
FIG. 18 is a schematic cross-sectional view CC of FIG. 17;
FIG. 19 is a schematic cross-sectional view DD taken in FIG. 17;
fig. 20 is a schematic view of the connection process of the structural components of the present invention.
In the figure, 1 is a nail rod, 2 is a base, 3 is a cup-shaped washer, 4 is a conical spring, 5 is a belleville spring, and J is a connecting piece.
11 is a tool groove, 12 is a nail head, 13 is a polish rod, 14 is a boss, 15 is a transition section, 16 is a lock head, and 17 is a lug; 21 is a buckle, 22 is a base retainer ring, 23 is a base spring, and 24 is a base shell; 31 is a flange, and 32 is a through hole.
211 is a snap lug, 212 is an irregular through hole, 213 is an arc groove, 214 is an inclined locking channel, and 215 is a ring groove bulge; 241 is an opening inclined plane, 242 is a retainer groove, 243 is a lug straight groove, 244 is a base accommodating cavity, 245 is a shell knurl, 246 is a base through hole, 247 is a mounting mark groove, and 248 is a rotation mark.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
With reference to the attached drawings.
As shown in figure 1, the quick locking type fastening assembly structure of the utility model comprises five parts: the nail comprises a nail rod 1, a base 2, a cup-shaped gasket 3, a conical spring 4 and a belleville spring 5.
As shown in fig. 2, 3 and 4, the quick-lock fastener shank 1 structure comprises: the tool comprises a tool groove 11, a nail head 12, a polish rod 13, a boss 14, a transition section 15, a lock head 16 and a lug 17.
The lock head 16 is flat, two lugs 17 are arranged at two ends of the lock head, the structure is one of main structures for realizing the connection principle of the quick locking type fastener, the structure is matched with the arc-shaped groove 213 of the base buckle 21 for use, and when the lock head is installed, the locking function of the fastener is realized by the way that the lugs 17 of the lock head fall into the arc-shaped groove 213 of the buckle 21.
As shown in fig. 9 to 19, the structure of the quick-turn fastener base 2 includes: a base shell 24, a cylindrical spring 23, a base retainer 22 and a buckle 21.
When the base 2 is assembled, the cylindrical spring 23, the hasp 21 and the base retainer ring 22 are pressed into the base shell 24 in sequence to form a whole; the buckle 21 is constrained to the base retainer 22 and is supported within the base housing 24 by a cylindrical spring 23.
The opening of base shell 24 is the inclined plane structure 241, so that base retaining ring 22 impresses and realizes spacingly to hasp 21 in retaining ring recess 242 structure, set up two lug straight flute 243 of mutual symmetry at base shell 24 open end, be used for going into hasp lug 211 at hasp 21 both ends, hollow base appearance chamber 214 of base shell 24 is a through-hole container, be used for packing into cylindrical spring 23, the through-hole allows nail pole tapered end 16 to pass through, base shell 24 outer wall lower part sets up shell annular knurl 245, prevent that base 2 and nail pole 1 from being connected and taking place to rotate under operating modes such as vibration after connecting piece J, play the roll locking effect.
As shown in fig. 9, 11, 12 and 13, the base casing 24 is a cylindrical container, one end of which is open, the wall of the container with the open end is symmetrically provided with two lug straight grooves 243, the other end is provided with a base through hole 246 matched with the nail rod lock head 16, and the end surface of the through hole is provided with a radial mounting mark groove 247 parallel to the radial line of the two lug straight grooves 243; the base shell 243 is internally provided with a base spring 23, a buckle 21 and a base retainer ring 22, and the buckle lugs 211 of two wings of the buckle 21 are positioned in the lug straight groove 243 for limiting movement.
As shown in fig. 12 and 13, the through-hole end surface of the base housing 24 is provided with a rotation mark 248 for indicating the rotation direction of the nail shaft.
As shown in fig. 16, 17, 18, and 19, the buckle 21 includes: the hasp lug 211 is used for being clamped into the lug straight groove 243 of the base shell 24 to prevent the hasp 21 from rotating along the circumferential direction of the base shell 24, the center is provided with an irregular through hole 212, the hole structure shape of the hasp is matched with the periphery of the cross section of the nail rod lock head 16, the nail rod lock head 16 can be accommodated to pass through, two arc-shaped grooves 213 are symmetrically arranged on the inner wall of the hole, the nail rod lock head 16 can be embedded and matched to complete the locking function of the quick-locking fastener after rotating, other parts of the inner wall are symmetrically provided with two groups of inclined locking channels 214 which are transition areas matched with the nail rod lock head 16 and the arc-shaped grooves 213, and the lock head 16 smoothly slides into the arc-shaped grooves 214 along the inclined locking channels 214 to realize locking and fixing when rotating. The annular groove bulge 215 larger than the irregular through hole 212 is arranged on the upper surface of the hasp 21 and is matched with the inner diameter of the cylindrical bullet 23 during assembly, so that the hasp 21 is positioned and limited.
The utility model discloses nail pole 1, conical spring 4, belleville spring 5, base retaining ring 22, cylindrical spring 22 material are stainless steel or carbon steel, and passivation treatment or zinc-plating are adopted to the surface, and wherein 16 parts of tapered end of nail pole 1 adopt wear-resisting treatment, and hasp 21 and 24 materials of base shell are carburizing steel or case hardening steel to ensure to have stronger wear resistance, and both surfaces all adopt zinc-plating to handle, and 3 materials of cup type packing ring adopt nylon or rubber.
The utility model discloses quick locking-type fastener connection method:
(1) first, the mounting groove 247 of the assembled base 2 is made parallel to a certain edge of the base, and then the base is vertically pressed in by using a mounting tool.
(2) The conical spring 4, the cup-shaped washer 3 and the connecting piece J are sequentially arranged from the nail head 16, and the butterfly spring 5 is pressed into the tapered end 16 by a tool, so that the nail rod 1 and the connected piece J are connected into a whole. As shown in fig. 5.
(3) And (3) keeping the nail rod tool groove 11 and the mounting mark groove 247 at a vertical angle with the whole formed in the step (2), inserting the nail rod lock head 16 into the hole of the base 2 mounted in the step (1), pressing the conical spring 4 by using a mounting tool, rotating the whole nail rod by 90 degrees from the nail locking head 12 according to a rotation mark 248 arranged on the surface of the through hole end of the base shell 24, enabling the lock head lugs 7 at the two ends of the lock head 16 to slide into the arc-shaped grooves 213 of the hasps 21 along the inclined surface lock channels 214 of the hasps 21, completing the matching locking of the lock head 16 and the hasps 21, and completing the tight mounting of the connected piece J.
As shown in fig. 20, fig. 20 is a schematic diagram of a connection process of the structural components, when a tool is used to rotate 90 ° at the lock head 16, lock head lugs 17 at two ends of the lock head 16 rotate 90 ° along the inclined locking channel 214 of the buckle 21 and slide into the arc-shaped grooves 213 of the buckle 21, the inclined locking channel 214 is a slide way which is obliquely arranged along the cylindrical axial direction of the buckle 21 and gradually reduces the diameter, when the lock head lugs 17 rotate, the lock head lugs 17 slide along the inclined locking channel to compress each spring and fasten the connecting piece J, and finally fall into the arc-shaped grooves 213, the arc-shaped grooves 213 are located on the inner side surface of the base accommodating cavity 244 and serve as bottom stops, and the lugs 17 are limited and fixed in the arc-shaped grooves 213 to realize the installation of the quick-locking fastener.
The utility model discloses quick locking-type fastener has that joint strength is high, the anti vibration ability is strong, the installation is noiseless, repeatedly usable, the installation is dismantled conveniently, the installation rate is fast, be applicable to repeatedly draw advantages such as complicated operation environment of pressing alternating load effect. The product is applicable to the fastening connection in narrow and small space, and the installation can adopt manual or instrument drive to use, and mounting tool is light and handy, rotates 90 and can easily fasten and loosen the operation.
The snap-lock fastener employs a clamp and spring loaded design that provides precise, safe engagement and high vibration resistance while helping to prevent damage due to over-clamping.

Claims (8)

1. A quick locking type fastening assembly structure is characterized in that a fastening assembly is detachably connected with a base through a nail rod penetrating through a spring to realize quick locking and fastening; the method is characterized in that: the base is composed of a base shell, a hasp, a base retainer ring and a base spring;
the base is fixed or arranged on the other connecting piece through the base shell; the base shell is a cylindrical container, one end of the base shell is open, two lug straight grooves are symmetrically arranged on the wall of the container with the open end, the other end of the base shell is provided with a through hole matched with the nail rod lock head, and the surface of the end of the through hole is provided with a radial installation mark groove parallel to the radial connecting line of the two lug straight grooves; a base spring, a hasp and a base retainer ring are arranged in the base shell, and hasp lugs of two wings of the hasp are positioned in the lug straight grooves for limiting movement.
2. The snap-lock fastener assembly structure of claim 1, further comprising: the surface of the through hole end of the base shell is provided with a rotation mark for indicating the rotation direction of the nail rod.
3. The snap-lock fastener assembly construction of claim 2 wherein: the nail rod sequentially penetrates through the conical spring, the cup-shaped gasket, the connecting piece and the belleville spring to be detachably connected with a base arranged on the other connecting piece to realize quick locking and fastening.
4. The snap-lock fastener assembly construction of claim 3 wherein: the nail rod comprises a nail head, a polished rod and a lock head which are sequentially formed; the diameter of the nail head is larger than that of the polished rod, the nail head is provided with a rotating structure for rotating the nail rod, the circumferential surface of the lower end of the polished rod is provided with a boss, the tapered end is of an opposite gradient structure, the head is in an arc shape, and two sides of the head are respectively provided with lugs; the conical spring is sleeved on the polished rod, the conical part is positioned at the nail head end, and the large end is in supporting contact with the cup-shaped gasket; the cup-shaped gasket is sleeved on the polished rod, and the periphery of the gasket is provided with a vertical folded edge for limiting the conical spring; the butterfly spring is sleeved on the polish rod and supported by the lug boss of the light receiving rod, and a connecting piece through which the nail rod penetrates is arranged between the butterfly spring and the cup-shaped gasket during installation.
5. The quick lock fastener assembly structure as claimed in any one of claims 1 to 4, wherein: the inner wall of the opening end of the base shell is provided with a retaining ring groove, the base spring is arranged in the cylindrical container and supports the hasp, and the periphery of the surface of the hasp is limited by a base retaining ring fixed in the retaining ring groove and can be movably arranged at the opening end of the cylindrical container.
6. The snap-lock fastener assembly construction of claim 5 wherein: and the outer wall surface of the base shell is provided with shell knurls.
7. The snap-lock fastener assembly construction of claim 6 wherein: the hasp is provided with a cylindrical structure with an irregular through hole, and hasp lugs are respectively arranged on two symmetrical side walls of the cylindrical structure and are used for being matched with two lug straight grooves of the base shell to limit sliding; the inner wall of the irregular through hole is symmetrically provided with an inclined locking channel and an arc groove at two sides of the connection line of the two hasp lugs, the inclined locking channel is obliquely arranged along the cylindrical axial direction of the hasps and gradually reduced in diameter for transition, and the lock head lugs slide along the inclined locking channel and fall into the arc groove for limiting and fixing when rotating.
8. The snap-lock fastener assembly construction of claim 7 wherein: the hasp is located the inboard one side of base and sets up the annular arch along irregular through-hole periphery and be used for the base spring spacing fixed.
CN202120656968.5U 2021-03-31 2021-03-31 Quick-locking type fastening assembly structure Active CN214698675U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120656968.5U CN214698675U (en) 2021-03-31 2021-03-31 Quick-locking type fastening assembly structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120656968.5U CN214698675U (en) 2021-03-31 2021-03-31 Quick-locking type fastening assembly structure

Publications (1)

Publication Number Publication Date
CN214698675U true CN214698675U (en) 2021-11-12

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Application Number Title Priority Date Filing Date
CN202120656968.5U Active CN214698675U (en) 2021-03-31 2021-03-31 Quick-locking type fastening assembly structure

Country Status (1)

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CN (1) CN214698675U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114423195A (en) * 2021-12-30 2022-04-29 中车永济电机有限公司 Easy dismouting access panel for locomotive converter
CN117662588A (en) * 2024-01-31 2024-03-08 唯实重工股份有限公司 Shoveling structure and heading machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114423195A (en) * 2021-12-30 2022-04-29 中车永济电机有限公司 Easy dismouting access panel for locomotive converter
CN117662588A (en) * 2024-01-31 2024-03-08 唯实重工股份有限公司 Shoveling structure and heading machine
CN117662588B (en) * 2024-01-31 2024-04-12 唯实重工股份有限公司 Shoveling structure and heading machine

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