CN116624480B - Detachable bolt connecting piece structure for engineering machinery pipe fitting - Google Patents

Detachable bolt connecting piece structure for engineering machinery pipe fitting Download PDF

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Publication number
CN116624480B
CN116624480B CN202310911694.3A CN202310911694A CN116624480B CN 116624480 B CN116624480 B CN 116624480B CN 202310911694 A CN202310911694 A CN 202310911694A CN 116624480 B CN116624480 B CN 116624480B
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China
Prior art keywords
screw rod
screw
groove
limiting
fixedly connected
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CN202310911694.3A
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CN116624480A (en
Inventor
陆锦红
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Shenzhen Dingbang Engineering Co ltd
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Shenzhen Dingbang Engineering Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/02Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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

Abstract

The invention discloses a detachable bolt connecting piece structure for engineering machinery pipe fittings, which comprises a first screw, wherein a nut is fixedly connected to the top end of the first screw, a first connecting groove is formed in the bottom end of the first screw, the top end of the first connecting groove is communicated with a first guide groove formed in the first screw, a limit adjusting mechanism is arranged in the first screw, and an anti-loosening mechanism is arranged between the nut and a first screw connecting column. According to the invention, in the nut fixing and limiting process, the nut drives the limiting ring attached to one side to move, the limiting ring compresses the first spring through the limiting column, the first spring further acts on the fixing ring to be tightly attached to the contact surface of the pipe fitting, after the first screw rod and the second screw rod are fixed stably, the limiting column pushes the limiting ring to be attached to the surface of the bottom side of the nut under the reaction of the first spring, and the limiting ring further limits the nut, so that the nut is prevented from loosening and rotating, the nut is prevented from loosening, and the use requirement is met.

Description

Detachable bolt connecting piece structure for engineering machinery pipe fitting
Technical Field
The invention relates to the technical field of bolt connecting piece structures, in particular to a detachable bolt connecting piece structure for engineering machinery pipe fittings.
Background
The pipe fittings are the general names of parts with the functions of connection, control, diversion, sealing, support and the like in a pipeline system, and the pipe fittings of engineering machinery are often connected by adopting bolt connectors, and bolts: the mechanical parts are cylindrical threaded fasteners matched with nuts, and the fasteners consisting of a head part and a screw (a cylinder with external threads) are matched with the nuts and are used for fastening two parts with through holes.
At present, in the connection application of a bolt connecting piece to a mechanical pipe fitting, under the condition that a bolt is used for a long time, a nut is easy to fall off due to various reasons, so that the bolt connection is invalid, the applicability of the bolt is reduced, meanwhile, in the pipe connection of some existing bolt connecting pieces, the condition that the bolt is slightly too long or insufficient easily occurs, an operator generally selects the bolt with the previous or next specification to replace, even sometimes, a part of the length of the bolt is selected, and therefore, certain waste is caused, and the use requirement cannot be met.
Disclosure of Invention
The present invention is directed to a detachable bolt connection structure for engineering machinery pipe fittings, which solves the above-mentioned related problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: a detachable bolted connection spare structure for engineering machine tool pipe fitting, including first screw rod, first screw rod top fixedly connected with nut, first spread groove has been seted up to first screw rod bottom, first spread groove top communicates with the first guide way of seting up in first screw rod, be provided with spacing adjustment mechanism in the first screw rod, the nut is provided with anti-loosening mechanism with first screw rod spliced pole, first screw rod bottom passes through coupling assembling fixedly connected with second screw rod, the gasket has been cup jointed on the second screw rod surface, the nut on second screw rod surface has been cup jointed to the gasket downside, the second spread groove has been seted up to the second screw rod bottom, second spread groove top communicates with the second guide way of seting up in the second screw rod.
Preferably, the second screw rod and the connecting assembly can be provided in plurality, the second screw rod and the first screw rod are coaxially arranged, the first connecting groove is consistent with the second connecting groove in structure, the first guiding groove is consistent with the second guiding groove in structure, and the first connecting groove, the first guiding groove, the second connecting groove and the second guiding groove are coaxially arranged.
Preferably, the limit adjusting mechanism comprises a positioning block, a sliding block, a second spring, a pull rope and a pull block, wherein a placing groove is formed in the side surface of the first screw rod, the positioning block is connected with the positioning block in a sliding mode in the placing groove, the positioning block is fixedly connected with the inner wall of the placing groove through the second spring, the side surface of the positioning block is fixedly connected with the pull rope, the side surface of the positioning block is fixedly connected with the sliding block, the tail end of the pull rope is fixedly connected with the pull block, and the pull block is placed in a circular groove formed in the top surface of the screw cap.
Preferably, the standing groove is arranged at the middle symmetrical position of the first screw, the inner wall of the top of the standing groove and the inner wall of the bottom of the standing groove are provided with sliding grooves, and the sliding grooves are connected with sliding blocks in a sliding manner.
Preferably, the stay cord top and stay cord downside middle part fixed connection, the stay cord top slides and runs through first screw rod inner chamber, stay cord bottom fixedly connected with two branch ropes, divide rope end and locating piece side surface fixed connection, it has spherical lug to divide rope and stay cord junction laminating, and divides the rope end to run through second spring inner chamber.
Preferably, the connecting assembly comprises a connecting stud, a connecting cylinder, a connecting plate, a threaded rotating plate, an elastic sheet and a guide rod, wherein the connecting stud is fixedly connected to the top end of the second screw rod, the surface of the connecting stud is in threaded connection with the inner cavity of the connecting cylinder, the connecting plate is fixedly connected to the top end of the connecting cylinder, the middle part of the top side of the connecting plate is fixedly connected with the guide rod, and the surface of the top side of the connecting plate is elastically connected with the bottom surface of the threaded rotating plate through the elastic sheet.
Preferably, the connecting plate is in sliding connection with the inner cavity of the first connecting groove, the top side of the connecting plate is in elastic connection with the threaded rotating plate through two elastic sheets which are symmetrically arranged, the elastic sheets are of V-shaped structures, external threads which are arranged on the outer side of the threaded rotating plate are in threaded connection with internal threads which are formed in the inner wall of the top end of the first guiding groove, and the middle part of the surface of the threaded rotating plate is in sliding penetration with a guiding rod.
Preferably, the locking mechanism that takes off includes spacing ring, first spring, spacing post, spacing guide block, solid fixed ring and spacing guide slot, the spacing ring slip cup joints on first screw rod top surface, spacing ring bottom side is provided with the solid fixed ring of cup jointing on first screw rod surface, spacing guide slot has been seted up to gu fixed ring inner wall, spacing guide slot inner chamber and the spacing guide block of fixing on first screw rod top side surface, gu fixed ring top side surface sliding connection has spacing post, spacing post top and spacing ring bottom side fixed connection, spacing post bottom is through first spring and solid fixed ring fixed connection.
Preferably, the fixed ring parallel placement that spacing ring and bottom side set up, spacing draw-in groove has been seted up to spacing intra-annular wall, sliding connection has spacing guide block in the spacing draw-in groove, spacing guide block top and laminating of nut bottom side, spacing guide block length is greater than fixed ring length, and spacing guide block length is less than the sum of fixed ring and spacing ring length.
Preferably, the limiting groove is formed in the top side surface of the fixing ring, the side inner wall of the bottom of the limiting groove is fixedly connected with the bottom end of the first spring, the top end of the first spring is fixedly connected with the bottom end of the limiting column, the number of the limiting columns is a plurality of, and the limiting columns are annularly distributed on the top side surface of the fixing ring.
Compared with the prior art, the invention provides a detachable bolt connecting piece structure for engineering machinery pipe fittings, which has the following beneficial effects:
1. in the length adjustment of the bolt, the threaded rotating plate is placed in the first connecting groove, the external threads formed on the outer side surface of the threaded rotating plate are in threaded connection with the internal threads on the inner wall of the top end of the first connecting groove, the connecting component is ensured to be stably fixed in the first connecting groove, then the second screw is rotated to drive the connecting stud fixedly connected with the top end to be connected with the inner cavity of the connecting cylinder, after the length adjustment, the first screw can push the second screw to move in the connection of the second screw and the pipe fitting, so that the connection of the connecting cylinder and the connecting stud is stable under the arrangement of the arranged spring piece, the slipping condition is avoided, the threaded connection of the first screw and the second screw is ensured to be stable, and the bolt with the adjusted length is convenient to use.
2. According to the invention, in the process of fixing the side wall of bolt installation, the pull rope is driven by the pull block, the pull rope drives the fixedly connected positioning block to be placed in the placing groove, the second spring is in a compressed state, the stability of the first screw and the second screw in the rotating process is ensured, after the first screw and the second screw are stably installed, the pull block is loosened, the pull block is placed in the circular groove of the nut, the pull rope stops acting on the positioning block, and under the reaction of the second spring, the second spring acts on the joint of the positioning block and the rod piece connected by the bolt to be attached, so that the limiting effect on the side surface of the screw is improved, and the stability of bolt installation is ensured.
3. According to the invention, in the nut fixing and limiting process, the nut drives the limiting ring attached to one side to move, the limiting ring compresses the first spring through the limiting column, the first spring further acts on the fixing ring to be tightly attached to the contact surface of the pipe fitting, after the first screw rod and the second screw rod are fixed stably, the limiting column pushes the limiting ring to be attached to the surface of the bottom side of the nut under the reaction of the first spring, and the limiting ring further limits the nut, so that the nut is prevented from loosening and rotating, the nut is prevented from loosening, and the use requirement is met.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1A according to the present invention;
FIG. 3 is an enlarged schematic view of a portion of the invention at B in FIG. 1;
FIG. 4 is a top plan view of the nut of the present invention;
FIG. 5 is a schematic top view of the attachment of the retaining ring to the first screw of the present invention;
FIG. 6 is a schematic perspective view of a connection assembly of the present invention;
fig. 7 is a schematic perspective view of a second screw of the present invention.
In the figure: 1. a screw cap; 2. a first screw; 201. a placement groove; 202. a first connection groove; 203. a first guide groove; 3. a second screw; 301. a second connecting groove; 302. a second guide groove; 4. a nut; 5. a gasket; 6. a limiting ring; 7. a limit column; 8. a first spring; 9. a limit guide block; 10. a fixing ring; 1001. a limiting guide groove; 11. pulling blocks; 12. a pull rope; 13. a second spring; 14. spherical protruding blocks; 15. a positioning block; 16. a slide block; 17. a screw thread rotating plate; 18. an elastic sheet; 19. a connecting plate; 20. a connecting cylinder; 21. a connecting stud; 22. a guide rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a detachable bolted connection spare structure for engineering machine tool pipe fitting, including first screw rod 2, first screw rod 2 top fixedly connected with nut 1, first spread groove 202 has been seted up to first screw rod 2 bottom, first spread groove 202 top communicates with the first guide way 203 of seting up in first screw rod 2, be provided with spacing adjustment mechanism in the first screw rod 2, nut 1 is provided with anti-loosening mechanism with first screw rod 2 spliced pole, first screw rod 2 bottom passes through coupling assembling fixedly connected with second screw rod 3, gasket 5 has been cup jointed on the second screw rod 3 surface, gasket 5 downside is provided with the nut 4 that the screw cup jointed on the second screw rod 3 surface, second spread groove 301 has been seted up to second screw rod 3 bottom, second spread groove 301 top communicates with the second guide way 302 of seting up in second screw rod 3.
Further, the second screw 3 and the connecting assembly may be provided in plurality, the second screw 3 and the first screw 2 are coaxially arranged, the first connecting groove 202 and the second connecting groove 301 are structurally identical, the first guiding groove 203 and the second guiding groove 302 are structurally identical, and the first connecting groove 202, the first guiding groove 203, the second connecting groove 301 and the second guiding groove 302 are coaxially arranged, so that the connection of the second screw 3 and the first screw 2 and the integral length of the bolt connecting piece are facilitated.
Further, spacing adjustment mechanism includes locating piece 15, slider 16, second spring 13, stay cord 12 and draws piece 11, standing groove 201 has been seted up to first screw rod 2 side surface, sliding connection has locating piece 15 in standing groove 201, locating piece 15 passes through second spring 13 and standing groove 201 inner wall fixed connection, locating piece 15 side surface fixedly connected with stay cord 12, locating piece 15 side surface fixedly connected with slider 16, stay cord 12 end fixedly connected with draws piece 11, draw piece 11 to place in the circular slot of seting up on nut 1 top surface, be convenient for adjust locating piece 15, be convenient for use fixedly to the bolt.
Further, the standing groove 201 is arranged at the middle symmetrical position of the first screw rod 2, the inner wall of the top of the standing groove 201 and the inner wall of the bottom of the standing groove 201 are provided with sliding grooves, and the sliding grooves are slidably connected with the sliding blocks 16, so that the position of the sliding blocks 16 can be conveniently adjusted.
Further, stay cord 12 top and stay 11 downside middle part fixed connection, stay cord 12 top slip runs through first screw rod 2 inner chamber, and stay cord 12 bottom fixedly connected with two branch ropes, branch rope end and locating piece 15 side fixed surface connection, branch rope and stay cord 12 junction laminating have spherical lug 14, and divide the rope end to run through second spring 13 inner chamber, help stay cord 12 to pull the regulation to locating piece 15, the setting of spherical lug 14 avoids dividing rope junction wearing and tearing condition.
Further, the connecting assembly comprises a connecting stud 21, a connecting cylinder 20, a connecting plate 19, a threaded rotating plate 17, an elastic sheet 18 and a guide rod 22, wherein the connecting stud 21 is fixedly connected to the top end of the second screw rod 3, the surface of the connecting stud 21 is in threaded connection with the inner cavity of the connecting cylinder 20, the connecting plate 19 is fixedly connected to the top end of the connecting cylinder 20, the middle part of the top side of the connecting plate 19 is fixedly connected with the guide rod 22, the top surface of the connecting plate 19 is elastically connected with the bottom surface of the threaded rotating plate 17 through the elastic sheet 18, connection of the first screw rod 2 and the second screw rod 3 is facilitated, and the length of the screw rod is convenient to adjust.
Further, the connecting plate 19 is slidably connected with the inner cavity of the first connecting groove 202, the top side of the connecting plate 19 is elastically connected with the threaded rotating plate 17 through two symmetrically arranged elastic plates 18, the elastic plates 18 are of a V-shaped structure, external threads arranged on the outer side of the threaded rotating plate 17 are in threaded connection with internal threads formed on the inner wall of the top end of the first guide groove 203, and the middle part of the surface of the threaded rotating plate 17 is slidably penetrated with the guide rod 22, so that the elastic plates 18 are convenient to use.
Further, the anti-loosening mechanism comprises a limiting ring 6, a first spring 8, a limiting post 7, a limiting guide block 9, a fixing ring 10 and a limiting guide groove 1001, wherein the limiting ring 6 is sleeved on the top end surface of the first screw rod 2 in a sliding manner, the fixing ring 10 sleeved on the surface of the first screw rod 2 is arranged at the bottom side of the limiting ring 6, the limiting guide groove 1001 is formed in the inner wall of the fixing ring 10, an inner cavity of the limiting guide groove 1001 is fixedly connected with the limiting guide block 9 on the side surface of the top end of the first screw rod 2, the limiting post 7 is fixedly connected with the top end of the limiting post 7 in a sliding manner, the bottom end of the limiting post 7 is fixedly connected with the fixing ring 10 through the first spring 8, and the limiting fixing effect of the screw rod of the bolt is improved.
Further, the limiting ring 6 is placed in parallel with the fixed ring 10 arranged on the bottom side, a limiting clamping groove is formed in the inner wall of the limiting ring 6, a limiting guide block 9 is connected in the limiting clamping groove in a sliding mode, the top end of the limiting guide block 9 is attached to the bottom side of the nut 1, the length of the limiting guide block 9 is larger than that of the fixed ring 10, and the length of the limiting guide block 9 is smaller than the sum of the lengths of the fixed ring 10 and the limiting ring 6.
Further, the limiting groove is formed in the top surface of the fixing ring 10, the inner wall of the side of the bottom of the limiting groove is fixedly connected with the bottom end of the first spring 8, the top end of the first spring 8 is fixedly connected with the bottom end of the limiting column 7, the number of the limiting columns 7 is a plurality of, the plurality of the limiting columns 7 are annularly distributed on the top surface of the fixing ring 10, and the limiting fixing effect of the limiting columns 7 is guaranteed.
In embodiment 1, as shown in fig. 1 and fig. 6-7, in the length adjustment of the bolt, by placing the screw rotating plate 17 in the first connecting groove 202, the external thread formed on the outer side surface of the screw rotating plate 17 is in threaded connection with the internal thread on the inner wall of the top end of the first connecting groove 202, so as to ensure that the connecting component is stably fixed in the first connecting groove 202, then by rotating the second screw 3, the second screw 3 drives the connecting stud 21 fixedly connected with the top end to be connected with the inner cavity of the connecting cylinder 20, after the length adjustment, the first screw 2 in the connection between the second screw 3 and the pipe fitting can push the second screw 3 to move, so that the spring piece can be stably connected with the connecting cylinder 20 and the connecting stud 21 through the set spring piece, the slipping condition is avoided, the threaded connection between the first screw 2 and the second screw 3 is ensured to be stable, and the bolt after the length adjustment is convenient to use.
In embodiment 2, as shown in fig. 1-4, in the process of fixing the side wall of the bolt installation, the pull rope 12 is driven by the pull block 11, the pull rope 12 drives the fixedly connected positioning block 15 to be placed in the placing groove 201, the second spring 13 is in a compressed state, the stability of the first screw 2 and the second screw 3 in the rotating process is ensured, after the first screw 2 and the second screw 3 are stably installed, the pull block 11 is loosened, the pull block 11 is placed in the circular groove of the nut 1, the pull rope 12 stops acting on the positioning block 15, under the reaction of the second spring 13, the second spring 13 acts on the joint of the positioning block 15 and the rod piece connected by the bolt to be attached, the limiting effect on the side surface of the screw is improved, and the installation stability of the bolt is ensured.
Embodiment 3, as shown in fig. 1 and 5, in the fixed spacing of nut 1, nut 1 drives spacing ring 6 removal that one side was laminated, spacing ring 6 compresses tightly first spring 8 through spacing post 7, first spring 8 and then effect solid fixed ring 10 closely laminate with the pipe fitting contact surface, after the fixed of first screw rod 2 and second screw rod 3 is stable, spacing post 7 promotes spacing ring 6 and laminating of nut 1 bottom side surface under the reaction of first spring 8, spacing ring 6 and then carries out spacingly to nut 1, avoid nut 1 to appear loosening the rotation condition, avoid nut 1 to appear loosening the condition, satisfy the user demand.
Working principle: in the length adjustment of the bolt, through placing the screw rotating plate 17 in the first connecting groove 202, the external screw thread formed on the outer side surface of the screw rotating plate 17 is in threaded connection with the internal screw thread on the inner wall of the top end of the first connecting groove 202, the connecting component is ensured to be stably fixed in the first connecting groove 202, then the second screw 3 is rotated to drive the connecting stud 21 fixedly connected with the top end to be connected with the inner cavity of the connecting cylinder 20, after the length adjustment, the second screw 3 and the pipe fitting are connected, the first screw 2 can push the second screw 3 to move, so that the spring piece can be stably connected with the connecting stud 21 at present under the arrangement of the spring piece, the slipping condition is avoided, the threaded connection of the first screw 2 and the second screw 3 is ensured to be stable, the bolt after the length adjustment is convenient to be applied, in the fixation of the side wall of the bolt installation, the pull block 11 drives the pull rope 12, the pull rope 12 drives the fixedly connected positioning block 15 to be placed in the placing groove 201, the second spring 13 is in a compressed state, the first screw rod 2 and the second screw rod 3 are ensured to be stable in the rotating process, after the first screw rod 2 and the second screw rod 3 are stably installed, the pull block 11 is loosened, the pull block 11 is placed in the circular groove of the nut 1, the pull rope 12 stops acting on the positioning block 15, under the reaction of the second spring 13, the second spring 13 acts on the joint of the positioning block 15 and a rod piece connected with a bolt, the limiting effect on the side surface of the screw rod is improved, the installation stability of the bolt is ensured, the nut 1 drives the limiting ring 6 attached on one side to move, the limiting ring 6 compresses the first spring 8 through the limiting post 7, the first spring 8 further acts on the fixing ring 10 to be tightly attached to the contact surface of a pipe fitting, after the fixation of the first screw rod 2 and the second screw rod 3 is stable, the limiting post 7 pushes the limiting ring 6 to be attached to the bottom side surface of the screw cap 1 under the reaction of the first spring 8, the limiting ring 6 further limits the screw cap 1, the screw cap 1 is prevented from loosening and rotating, the screw cap 1 is prevented from loosening, and the use requirement is met.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A detachable bolted connection spare structure for engineering machine tool pipe fitting, including first screw rod (2), its characterized in that: the utility model discloses a screw cap (1) is fixedly connected with at first screw rod (2) top, first spread groove (202) has been seted up to first screw rod (2) bottom, first spread groove (202) top and set up first guide way (203) intercommunication in first screw rod (2), be provided with spacing adjustment mechanism in first screw rod (2), nut (1) are provided with anti-loosening mechanism with first screw rod (2) spliced pole, first screw rod (2) bottom is through coupling assembling fixedly connected with second screw rod (3), gasket (5) have been cup jointed on second screw rod (3) surface, gasket (5) bottom side is provided with nut (4) of screw sleeve at second screw rod (3) surface, second spread groove (301) have been seted up to second screw rod (3) bottom, second guide way (302) intercommunication in second screw rod (3) top and set up, wherein, coupling assembling includes connecting stud (21), connecting tube (20), connecting plate (19), connecting plate (17), screw rod (18) and connecting plate (21) and connecting stud (21) are fixed on second screw rod (21) surface, the top end of the connecting cylinder (20) is fixedly connected with a connecting plate (19), the middle part of the top side of the connecting plate (19) is fixedly connected with a guide rod (22), and the surface of the top side of the connecting plate (19) is elastically connected with the surface of the bottom side of the threaded rotating plate (17) through an elastic piece (18);
the anti-loosening mechanism comprises a limiting ring (6), a first spring (8), a limiting column (7), a limiting guide block (9), a fixing ring (10) and a limiting guide groove (1001), wherein the limiting ring (6) is sleeved on the top surface of the first screw (2) in a sliding manner, the fixing ring (10) sleeved on the surface of the first screw (2) is arranged on the bottom side of the limiting ring (6), the limiting guide groove (1001) is formed in the inner wall of the fixing ring (10), the inner cavity of the limiting guide groove (1001) is matched with the limiting guide block (9) fixed on the top side surface of the first screw (2), the limiting column (7) is connected to the top surface of the fixing ring (10) in a sliding manner, the top end of the limiting column (7) is fixedly connected with the bottom side of the limiting ring (6), and the bottom end of the limiting column (7) is fixedly connected with the fixing ring (10) through the first spring (8).
Spacing ring (6) and fixed ring (10) parallel arrangement that the downside set up, spacing draw-in groove has been seted up to spacing ring (6) inner wall, sliding connection has spacing guide block (9) in the spacing draw-in groove, spacing guide block (9) top and laminating of nut (1) downside, spacing guide block (9) length is greater than fixed ring (10) length, and spacing guide block (9) length is less than the sum of fixed ring (10) and spacing ring (6) length, wherein, connecting plate (19) and first spread groove (202) inner chamber sliding connection, connecting plate (19) top side is through elastic slice (18) and screw thread rotating plate (17) elastic connection that two symmetries set up, elastic slice (18) are V type structure, the external screw thread that screw thread rotating plate (17) outside set up and the internal thread threaded connection that first spread groove (202) top inner wall set up, screw thread rotating plate (17) surface middle part slip has guide bar (22) throughout.
2. The detachable bolt connection structure for a construction machine pipe fitting according to claim 1, wherein: the second screw rod (3) and coupling assembling can set up a plurality of, second screw rod (3) and first screw rod (2) coaxial line set up, first spread groove (202) are unanimous with second spread groove (301) structure, first guide way (203) are unanimous with second guide way (302) structure, first spread groove (202), first guide way (203), second spread groove (301) and second guide way (302) coaxial line set up.
3. The detachable bolt connection structure for a construction machine pipe fitting according to claim 1, wherein: spacing adjustment mechanism includes locating piece (15), slider (16), second spring (13), stay cord (12) and draws piece (11), standing groove (201) have been seted up to first screw rod (2) side surface, sliding connection has locating piece (15) in standing groove (201), locating piece (15) are through second spring (13) and standing groove (201) inner wall fixed connection, locating piece (15) side surface fixedly connected with stay cord (12), locating piece (15) side surface fixedly connected with slider (16), stay cord (12) end fixedly connected with draws piece (11), draw piece (11) to place in the circular slot of seting up on nut (1) top surface.
4. A releasable bolted joint construction for construction machinery pipe according to claim 3, wherein: the placing groove (201) is arranged at the middle symmetrical position of the first screw (2), sliding grooves are formed in the inner wall of the top of the placing groove (201) and the inner wall of the bottom of the placing groove (201), and the sliding blocks (16) are connected in the sliding grooves in a sliding mode.
5. A releasable bolted joint construction for construction machinery pipe according to claim 3, wherein: the utility model discloses a pull rope, including stay cord (12), stay cord (12) top and stay cord (12) bottom middle part fixed connection, stay cord (12) top slip runs through first screw rod (2) inner chamber, stay cord (12) bottom fixedly connected with two branch ropes, divide rope end and locating piece (15) side fixed surface to be connected, it has spherical lug (14) to divide rope and stay cord (12) junction laminating, and divides the rope end to run through second spring (13) inner chamber.
6. The detachable bolt connection structure for a construction machine pipe fitting according to claim 1, wherein: the fixed ring is characterized in that a limit groove is formed in the top side surface of the fixed ring (10), the side inner wall of the bottom of the limit groove is fixedly connected with the bottom end of the first spring (8), the top end of the first spring (8) is fixedly connected with the bottom end of the limit column (7), the number of the limit columns (7) is a plurality of the limit columns, and the limit columns (7) are annularly distributed on the top side surface of the fixed ring (10).
CN202310911694.3A 2023-07-25 2023-07-25 Detachable bolt connecting piece structure for engineering machinery pipe fitting Active CN116624480B (en)

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Publication number Priority date Publication date Assignee Title
US6179537B1 (en) * 1999-11-12 2001-01-30 The Gleason Works Clamping screw
CN206988255U (en) * 2017-07-31 2018-02-09 江苏华杰不锈钢制品有限公司 A kind of straight knurling adjustment screw
CN210509909U (en) * 2019-08-30 2020-05-12 镇江市正源智能科技有限公司 Weather-proof reliable distribution electric fastener
CN210529964U (en) * 2019-08-13 2020-05-15 宿迁市新联发钢结构有限公司 Steel structure connecting piece
CN210599769U (en) * 2019-08-20 2020-05-22 兴化市富翔不锈钢制品有限公司 Novel stainless steel eyelet bolt
CN211144997U (en) * 2019-09-23 2020-07-31 周婷丽 Novel connect formula steel construction soon
CN212959472U (en) * 2020-06-15 2021-04-13 沈阳博研铁路车辆配件有限公司 Self-locking fastening bolt
CN216768061U (en) * 2021-11-23 2022-06-17 杭州力欢五金有限公司 High-performance anti-deformation anti-loosening V-shaped anti-skidding texture combined spring washer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6179537B1 (en) * 1999-11-12 2001-01-30 The Gleason Works Clamping screw
CN206988255U (en) * 2017-07-31 2018-02-09 江苏华杰不锈钢制品有限公司 A kind of straight knurling adjustment screw
CN210529964U (en) * 2019-08-13 2020-05-15 宿迁市新联发钢结构有限公司 Steel structure connecting piece
CN210599769U (en) * 2019-08-20 2020-05-22 兴化市富翔不锈钢制品有限公司 Novel stainless steel eyelet bolt
CN210509909U (en) * 2019-08-30 2020-05-12 镇江市正源智能科技有限公司 Weather-proof reliable distribution electric fastener
CN211144997U (en) * 2019-09-23 2020-07-31 周婷丽 Novel connect formula steel construction soon
CN212959472U (en) * 2020-06-15 2021-04-13 沈阳博研铁路车辆配件有限公司 Self-locking fastening bolt
CN216768061U (en) * 2021-11-23 2022-06-17 杭州力欢五金有限公司 High-performance anti-deformation anti-loosening V-shaped anti-skidding texture combined spring washer

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