CN108799307A - A kind of detachable expansion bolt - Google Patents
A kind of detachable expansion bolt Download PDFInfo
- Publication number
- CN108799307A CN108799307A CN201810721413.7A CN201810721413A CN108799307A CN 108799307 A CN108799307 A CN 108799307A CN 201810721413 A CN201810721413 A CN 201810721413A CN 108799307 A CN108799307 A CN 108799307A
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- China
- Prior art keywords
- nut
- brake pad
- steel wire
- cylinder body
- wire rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Connection Of Plates (AREA)
Abstract
The invention belongs to connector technical fields, specifically a kind of detachable expansion bolt, including No.1 nut, No.1 screw rod and No.1 nut, No.1 screw rod is coaxially fixedly mounted on the bottom surface of No.1 nut with No.1 nut, and No.1 nut is placed on the outer layer of No.1 screw rod；Bottom surface of the No.1 screw rod far from No.1 nut is equipped with the No.1 through-hole for being through to No.1 nut bottom surface；The upper surface of No.1 nut is equipped with No. two through-holes for being through to No.1 through-hole；The upper surface of No.1 nut is installed with locking member；The other end of steel wire rope is connected across mounting plate, No.1 through-hole, No. two through-holes with locking member, it is used to make elastic component by compressive deformation brake pad tension；The present invention squeezes No.1 nut by the way that brake pad and elastic component is arranged, and is locked to bolt of the present invention to realize；It drives steel wire rope to move in the vertical direction to keep bolt of the present invention easy to disassemble by setting No.1 screw, improves the service efficiency of the present invention.
Description
Technical field
The invention belongs to connector technical field, specifically a kind of detachable expansion bolt.
Background technology
Bolt easy tos produce the phenomenon that relaxation falls off after prolonged use, occurs expansion bolt, lock in the prior art
The technical solutions such as dead bolt solve bolt falling this technical problem, at present locked bolt and expansion bolt exist be difficult to from
The problem of being dismantled on workpiece, it is not easy to remove to cause workpiece, mandatory dismantling is carried out to bolt according to drill bit, then needs to consume
Take a large amount of working hour, reduces working efficiency；While drill bit carries out mandatory dismantling to bolt, drill bit to the surface of workpiece into
Damage is gone, to affect reusing for workpiece.
Also occurs the technical solution of expansion bolt in the prior art, such as application No. is in one of 201720411623.7
State's patent disclose Fast Installation hammer nail put down quick-fried expansion bolt, including sleeve and with the matched penetrator ram of the sleeve, the set
The head section of cylinder is opened up there are four along the equally distributed crack of circumferential direction of the sleeve, and four cracks are by the head section of the sleeve
Four cross sections are separated into fan-shaped deformation column, the internal face of the head section of each deformation column is in the arc surfaced received inwardly, respectively
There are three the empty avoiding annular groove along the circumferentially disposed of the cambered surface and along the axial alignment of the sleeve, the sets for the internal face tool
The head section outer wall of cylinder is equipped with the anti-skidding annular groove of several axial alignments along the sleeve, and the head of the penetrator ram is tapered, institute
The tail portion for stating penetrator ram has the stop outer rim for the tail end that can be pressed against the sleeve, when the head of the penetrator ram be pierced by it is described
When the head end of sleeve, the head of the penetrator ram makes each deformation column bend outwards by being contacted with the internal face.
The technical solution can realize the locked of bolt, but the technical solution has carried out plastic extrusion to screw rod,
It is not easy to the secondary use of bolt；And the program is not easy to dismantle so that the use of the bolt is restricted.
Invention content
In order to make up for the deficiencies of the prior art, a kind of detachable expansion bolt proposed by the present invention, by the way that brake pad is arranged
No.1 nut is squeezed with elastic component, bolt of the present invention is locked to realize；It is driven by the way that No.1 screw is arranged
Steel wire rope moves to keep bolt of the present invention easy to disassemble in the vertical direction；Elastic component of the present invention be gas spring when, by
It is locked to make bolt of the present invention have the function of that position-limiting unit is arranged in gas spring；Improve the locked effect of the bolt of the present invention
Rate.
The technical solution adopted by the present invention to solve the technical problems is：A kind of detachable expanding screw of the present invention
Bolt, including No.1 nut, No.1 screw rod and No.1 nut, the No.1 screw rod are coaxially fixedly mounted on No.1 spiral shell with No.1 nut
The bottom surface of cap, the No.1 nut are placed on the outer layer of No.1 screw rod；On the bottom surface of the No.1 screw rod far from No.1 nut
Equipped with the No.1 through-hole for being through to No.1 nut bottom surface；The upper surface of the No.1 nut is equipped with and is through to the two of No.1 through-hole
Number through-hole；The upper surface of the No.1 nut is installed with locking member；The No.1 screw rod outer wall, which is radially provided with, is through to one
Four limiting slots of number through-hole, four limiting slots are uniformly distributed in the way of circumferential arrangement；It is equipped in four limiting slots
Brake pad is equipped with the mounting plate that same level is in brake pad in the No.1 through-hole；The mounting plate by holder with
The inner wall of No.1 through-hole is fixedly connected, and is fixedly connected with equipped with elastic component between mounting plate and brake pad；The elastic component is used for
Brake pad is pushed to the side far from mounting plate；The inner surface of the brake pad and one end of steel wire rope connect；The steel
The other end of cord is connected across mounting plate, No.1 through-hole, No. two through-holes with locking member, it is used to brake pad tension making bullet
Property part is by compressive deformation.
After No.1 screw rod and the cooperation of No.1 nut are to Workpiece clamping, locking member is by driving steel wire rope in the vertical direction
Movement, to control frictional force of the brake pad to No.1 nut inner wall；When locking member drives steel wire rope to move downward, spiral shell of the present invention
Bolt is in locking state, and when locking member drives steel wire rope to move upwards, bolt of the present invention can be disassembled；
When cutting short the steel wire rope being connect with locking member, steel wire rope disappears to the pulling force of brake pad, at this point, elastic component is restored to
Original state carrys out extrusion friction block, and brake pad carries out extrusion friction to the inner wall of No.1 nut, for preventing human factor will be of the invention
Bolt dismantling.
Preferably, the locking member is screw, and the shaft core position of the upper surface of the No.1 nut is equipped with No. two threaded holes,
No. two threaded holes are used for attachment screw；The screw with No. two threaded holes by coordinating for making steel wire rope to friction
Block tenses；When locking member is screw, screw can in No. two threaded holes vertical and straight movement, to drive steel wire rope in vertical side
It moves upwards；When screw is screwed down, steel wire rope is in relaxed state, and elastic member presses brake pad comes to No.1 nut at this time
Inner wall is fastened；Bolt has the function of loosening at this time；Meanwhile bolt is not easy to dismantle；When screw is twisted upwards, steel wire rope
Brake pad is tensed, to make brake pad and the inner wall of No.1 nut not be in contact, so that bolt can be split
It unloads so that bolt of the present invention can be recycled.
Preferably, No. two nut lower surfaces of the screw are equipped with annular groove, turn equipped with circular ring shape in the annular groove
Motion block；Moving block is fixedly connected with the top end of steel wire rope；When No. two cap rotations of screw, steel wire rope by with moving block
Coordinate to make moving block be rotated in annular groove, is used to that steel wire rope to be avoided to be distorted, to improve the service life of steel wire rope.
Preferably, the mounting plate is that collar plate shape, and the upper surface of mounting plate, and the side surface of mounting plate are equipped with rectangle
Slot, pulley is rotatablely equipped in the rectangular channel, and the upper surface of the mounting plate is equipped with No. three holes for being through to rectangular channel；It is described
Pulley draws steel wire rope by coordinating with No. three holes.
Preferably, the elastic component is one kind in helical spring, rubber spring and gas spring；When elastic component is spiral
When spring, helical spring has the advantages that simple in structure, cheap, big suitable for usage amount occasion of faking, such as construction site, vapour
The use occasion of vehicle parts assembly；
When elastic component is rubber spring, rubber spring uses compounded rubber spring；Compounded rubber spring uses metal spiral shell
It revolves spring appearance package rubber to constitute, has the advantages that high resiliency, corrosion resistant, the occasion being suitable for such as ship, submarine, underwater
The parts of apparatus for work assemble；
It, can when elastic component is gas spring, the characteristic of characteristic and damping of the gas spring with variable rigidity
Make to come into full contact between brake pad and No.1 nut inner wall, while gas spring with brake pad cooperation by that can reduce No.1 spiral shell
Female vibrations, to realize the fastening between No.1 nut and No.1 screw rod；Brake pad carries out the inner wall of No.1 nut simultaneously
Extrusion friction prevents the No.1 nut to be detached from from No.1 screw rod.
Preferably, length cannot reduce, it is used to prevent brake pad towards the one of mounting plate after the gas spring stretches
Side moves；
The gas spring includes push rod, piston plate and cylinder body, and the push rod is slidably mounted on by piston plate in cylinder body；
The inboard wall of cylinder block be equipped with position-limiting unit, its be used to make piston plate one-way movement；The position-limiting unit includes block and No. three
Spring；The inner wall of the cylinder body is equipped with multigroup mounting groove, and the block is fixedly mounted on by No. three springs in mounting groove；Institute
State block it is opposite with piston plate for arcwall face, block it is opposite with piston plate while be plane, be used to control piston
Plate one-way movement；When steel wire rope is in mode state, the expansion of compressed gas in gas spring to push piston plate to move,
The back side of block is plane for preventing pusher retracted to cylinder interior；Bolt of the present invention equipped with the gas spring is mainly used for
Bridge, railway and highway use, primarily serve the locked function of bolt, for improving construction safety.
Preferably, the quantity of multigroup mounting groove is at least two groups, and the quantity of mounting groove and block is consistent, more
Group mounting groove is uniformly distributed along the axial position of cylinder body；Each group of mounting groove in multigroup mounting groove includes three installations
Slot；Three mounting grooves are always uniformly distributed in the way of circumferential arrangement along the diameter of cylinder body；
In multigroup mounting groove between two adjacent groups mounting groove, the axis of the line and cylinder body of its close two mounting groove
Direction interlocks, and is used to avoid polylith piston plate to repeat the same position of friction block；When the compressed air of cylinder interior squeezes
It when piston plate moves, rubs between piston plate and block, if the same position of block and piston plate occurs to repeat to rub
The edge of piston plate can be caused to wear, to influence the leakproofness of piston plate, and then affect the elasticity of gas spring, used
In avoid gas spring from generating gas leakage at work the phenomenon that.
Preferably, the push rod is located at the position on the outside of cylinder body and is fixed with buckle, its use between the outer surface of cylinder body
Piston plate is squeezed in by push rod；The buckle is for preventing gas bullet caused by the expansion of compressed gas in cylinder body
Spring elongates phenomenon；After gas spring is fixedly mounted between brake pad and mounting plate, buckle is disengaged.
Beneficial effects of the present invention are as follows：
1. the present invention is coordinated by locking member with steel wire rope to be pulled to brake pad, when steel wire rope, which is in, to be loosened,
The inner wall that elastic component pushes brake pad and No.1 nut is squeezed, to realize the locked of bolt of the present invention；Locking member drives
When steel wire rope moves upwards, brake pad is tightened up, while being detached between brake pad and the inner wall of No.1 nut, and the present invention is realized
Bolt it is detachable.
2. elastic component is gas spring in the present invention, a kind of as the present invention selects, and limit is arranged in gas spring
Unit, for position-limiting unit for limiting gas spring contraction, the brake pad of the present invention to make will not after squeezing No.1 nut inner wall
It is detached from, so that bolt lock of the present invention is after death non-dismountable.
3. the present invention carries out traction guiding by the way that pulley is arranged on a mounting board to steel wire rope, for improving steel wire rope pair
The pulling efficiency of brake pad.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the partial enlarged view of A in Fig. 2；
Fig. 4 is the partial enlarged view of B in Fig. 2；
Fig. 5 is C-C sectional views in Fig. 2；
Fig. 6 is the partial enlarged view of D in Fig. 5；
Fig. 7 is the structural schematic diagram of gas spring；
Fig. 8 is the partial enlarged view of E in Fig. 7；
In figure：No.1 nut 1, No.1 screw rod 11, No.1 nut 12,13, No. two through-holes 14 of No.1 through-hole, locking member 15,
Limiting slot 16, brake pad 17, mounting plate 18, elastic component 19, steel wire rope 2, the threaded hole 22, two of screw 21, two nut 23, circle
Annular groove 24, moving block 25, rectangular channel 26,27, No. three holes 28 of pulley, gas spring 29, push rod 3, piston plate 31, cylinder body 32, limit
Bit location 33,34, No. three springs 35 of block, mounting groove 36, buckle 37.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
As shown in Figures 1 to 8, a kind of detachable expansion bolt of the present invention, including No.1 nut 1, No.1 screw rod
11 and No.1 nut 12, the No.1 screw rod 11 is coaxially fixedly mounted on the bottom surface of No.1 nut 1 with No.1 nut 1, described
No.1 nut 12 is placed on the outer layer of No.1 screw rod 11；11 bottom surface far from No.1 nut 1 of the No.1 screw rod, which is equipped with, to be run through
To the No.1 through-hole 13 of 1 bottom surface of No.1 nut；The upper surface of the No.1 nut 1, which is equipped with, is through to No. two of No.1 through-hole 13
Through-hole 14；The upper surface of the No.1 nut 1 is installed with locking member 15；11 outer wall of No.1 screw rod, which is radially provided with, to be run through
To four limiting slots 16 of No.1 through-hole 13, four limiting slots 16 are uniformly distributed in the way of circumferential arrangement；Four limits
It is equipped with brake pad 17 in slot 16, the mounting plate 18 for being in same level with brake pad 17 is equipped in the No.1 through-hole 13；
The mounting plate 18 is fixedly connected by holder with the inner wall of No.1 through-hole 13, is fixedly connected between mounting plate 18 and brake pad 17
Have and is equipped with elastic component 19；The elastic component 19 is used to push brake pad 17 to the side far from mounting plate 18；The brake pad
17 inner surface is connect with one end of steel wire rope 2；The other end of the steel wire rope 2 passes through mounting plate 18, No.1 through-hole 13, two
Number through-hole 14 and the connection of locking member 15, it is used to tense brake pad 17 to make elastic component 19 by compressive deformation.
When work, when No.1 screw rod 11 and No.1 nut 12 cooperation to Workpiece clamping after, locking member 15 pass through drive steel wire
Rope 2 moves in the vertical direction, to control frictional force of the brake pad 17 to 12 inner wall of No.1 nut；When locking member 15 drives steel wire
When rope 2 moves downward, bolt of the present invention is in locking state, when locking member 15 drives steel wire rope 2 to move upwards, spiral shell of the present invention
Bolt can be disassembled；
When cutting short the steel wire rope 2 being connect with locking member 15, steel wire rope 2 disappears to the pulling force of brake pad 17, at this point, elastic component
19, which are restored to original state, carrys out extrusion friction block 17, and brake pad 17 carries out extrusion friction to the inner wall of No.1 nut 12, for preventing people
It is factor by Bolt dismantling of the present invention.
As one embodiment of the present invention, the locking member 15 is screw 21, the upper surface of the No.1 nut 1
Shaft core position is equipped with No. two threaded holes 22, and No. two threaded holes 22 are used for attachment screw 21；The screw 21 by with
No. two cooperations of threaded hole 22 are for making steel wire rope 2 tense brake pad 17；When locking member 15 is screw 21, screw 21 can be
Vertical and straight movement in No. two threaded holes 22, to drive steel wire rope 2 to move in the vertical direction；When screw 21 is screwed down, steel wire
Rope 2 is in relaxed state, and elastic component 19 extrusion friction block 17 fastens the inner wall of No.1 nut 12 at this time；Bolt at this time
Have the function of loosening；Meanwhile bolt is not easy to dismantle；When screw 21 is twisted upwards, steel wire rope 2 draws brake pad 17
Tightly, to make brake pad 17 and the inner wall of No.1 nut 12 not be in contact, so that bolt can be disassembled so that this hair
Bright bolt can be recycled.
As one embodiment of the present invention, No. two 23 lower surfaces of nut of the screw 21 are equipped with annular groove 24, institute
State the moving block 25 that circular ring shape is equipped in annular groove 24；Moving block 25 is fixedly connected with the top end of steel wire rope 2；When screw 21
When No. two nuts 23 rotate, steel wire rope 2 makes moving block 25 be rotated in annular groove 24 by coordinating with moving block 25, is used for
Steel wire rope 2 is avoided to be distorted, to improve the service life of steel wire rope 2.
As one embodiment of the present invention, the mounting plate 18 is collar plate shape, and the upper surface of mounting plate 18, and is pacified
The side surface of loading board 18 is equipped with rectangular channel 26, and pulley 27, the upper table of the mounting plate 18 are rotatablely equipped in the rectangular channel 26
Face is equipped with No. three holes 28 for being through to rectangular channel 26；The pulley 27 leads steel wire rope 2 by coordinating with No. three holes 28
Draw.
As one embodiment of the present invention, the elastic component 19 is helical spring, rubber spring and gas spring 29
In one kind；When elastic component 19 is helical spring, helical spring has the advantages that simple in structure, fraud is cheap, suitable for making
The big occasion of dosage, the use occasion assembled such as construction site, auto parts and components；
When elastic component 19 is rubber spring, rubber spring uses compounded rubber spring；Compounded rubber spring uses metal
Helical spring appearance is wrapped up rubber and is constituted, and has the advantages that high resiliency, corrosion resistant, the occasion being suitable for such as ship, submarine, water
The parts of lower apparatus for work assemble；
When elastic component 19 is gas spring 29, the characteristic of characteristic and damping of the gas spring 29 with variable rigidity,
It can make to come into full contact between 12 inner wall of brake pad 17 and No.1 nut, while gas spring 29 with brake pad 17 by coordinating
The vibrations that No.1 nut 12 can be reduced, to realize the fastening between No.1 nut 12 and No.1 screw rod 11；Brake pad simultaneously
The inner wall of 17 pairs of No.1 nuts 12 carries out extrusion friction to prevent No.1 nut 12 to be detached from from No.1 screw rod 11.
As one embodiment of the present invention, length cannot reduce, it is used to prevent after the gas spring 29 stretches
Brake pad 17 is moved towards the side of mounting plate 18；
The gas spring 29 includes push rod 3, piston plate 31 and cylinder body 32, and the push rod 3 is slided by piston plate 31 pacifies
In cylinder body 32；32 inner wall of the cylinder body be equipped with position-limiting unit 33, its be used to make 31 one-way movement of piston plate；The limit
Unit 33 includes block 34 and No. three springs 35；The inner wall of the cylinder body 32 is equipped with multigroup mounting groove 36, and the block 34 is logical
No. three springs 35 are crossed to be fixedly mounted in mounting groove 36；The opposite one side with piston plate 31 of the block 34 is arcwall face, block
34 be opposite to each other plane with the one side of piston plate 31, is used to control 31 one-way movement of piston plate；When steel wire rope 2 is in mode state
When, for the expansion of compressed gas in gas spring 29 to push piston plate 31 to move, the back side of block 34 is plane for preventing
Push rod 3 is retracted into inside cylinder body 32；Bolt of the present invention equipped with the gas spring 29 is mainly used for bridge, railway and highway
Using, primarily serve the locked function of bolt, for improving construction safety.
As one embodiment of the present invention, the quantity of multigroup mounting groove 36 is at least two groups, and mounting groove 36
It is consistent with the quantity of block 34, multigroup mounting groove 36 is uniformly distributed along the axial position of cylinder body 32；Multigroup installation
Each group of mounting groove 36 in slot 36 includes three mounting grooves 36；Three mounting grooves 36 along cylinder body 32 diameter always according to
The mode of circumferential arrangement is uniformly distributed；
In multigroup mounting groove 36 between two adjacent groups mounting groove 36, the line and cylinder body of its close two mounting groove 36
32 axis direction interlocks, and is used to avoid polylith piston plate 31 to repeat the same position of friction block 34；Inside cylinder body 32
Compressed air extrusion piston plate 31 move when, rub between piston plate 31 and block 34, if block 34 and piston plate
31 same position occurs to repeat to rub that the edge of piston plate 31 can be caused to wear, to influence the sealing of piston plate 31
Property, and then affect the elasticity of gas spring 29, the phenomenon that for avoiding gas spring 29 from generating gas leakage at work.
As one embodiment of the present invention, the push rod 3 is located at the appearance at the position and cylinder body 32 in 32 outside of cylinder body
Be fixed with buckle 37, it is used to piston plate 31 is squeezed by push rod 3 between face；The buckle 37 is for preventing cylinder
Gas spring 29 caused by expansion of compressed gas in body 32 elongates phenomenon；Gas spring 29 is fixedly mounted on brake pad 17 and peace
After between loading board 18, buckle 37 is disengaged.
In use, when elastic component 19 be helical spring and rubber spring in it is a kind of when, in No.1 screw rod 11 and No.1 spiral shell
After 12 cooperation of mother is to Workpiece clamping, when screw 21 is screwed down, steel wire rope 2 is in relaxed state, and the extruding of elastic component 19 at this time rubs
Cleaning block 17 fastens the inner wall of No.1 nut 12；When bolt of the present invention needs dismounting, screw 21 is twisted upwards, steel wire
2 pairs of brake pads 17 of rope are tensed, to make brake pad 17 and the inner wall of No.1 nut 12 not be in contact, and are then torn open bolt
It unloads；
Above-mentioned front, back, left, right, up, down is mark according to personage's observation visual angle on the basis of Fig. 1 in Figure of description
Standard, device surface to before being defined as on one side of observer, a left side is defined as on the left of observer, and so on.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of detachable expansion bolt, including No.1 nut (1), No.1 screw rod (11) and No.1 nut (12), the No.1
Screw rod (11) and the coaxial bottom surface for being fixedly mounted on No.1 nut (1) of No.1 nut (1), the No.1 nut (12) are placed on one
The outer layer of number screw rod (11)；It is characterized in that：Bottom surface of the No.1 screw rod (11) far from No.1 nut (1), which is equipped with, to be run through
To the No.1 through-hole (13) of No.1 nut (1) bottom surface；The upper surface of the No.1 nut (1) is equipped with and is through to No.1 through-hole
(13) No. two through-holes (14)；The upper surface of the No.1 nut (1) is installed with locking member (15)；The No.1 screw rod
(11) outer wall is radially provided with four limiting slots (16) for being through to No.1 through-hole (13), and four limiting slots (16) are by circumferential arrangement
Mode is uniformly distributed；It is equipped with brake pad (17) in four limiting slots (16), is equipped with and rubs in the No.1 through-hole (13)
Cleaning block (17) is in the mounting plate (18) of same level；The inner wall that the mounting plate (18) passes through holder and No.1 through-hole (13)
It is fixedly connected, is fixedly connected between mounting plate (18) and brake pad (17) equipped with elastic component (19)；The elastic component (19) is used
In the side promotion by brake pad (17) to separate mounting plate (18)；The inner surface of the brake pad (17) and steel wire rope (2)
One end connection；The other end of the steel wire rope (2) passes through mounting plate (18), No.1 through-hole (13), No. two through-holes (14) and lock
Tight part (15) connects, it is used to tense brake pad (17) to make elastic component (19) by compressive deformation.
2. a kind of detachable expansion bolt according to claim 1, it is characterised in that：The locking member (15) is screw
(21), the shaft core position of the upper surface of the No.1 nut (1) is equipped with No. two threaded holes (22), and No. two threaded holes (22) are used
It is used in attachment screw (21)；The screw (21) with No. two threaded holes (22) by coordinating for making steel wire rope (2) to friction
Block (17) tenses.
3. a kind of detachable expansion bolt according to claim 2, it is characterised in that：No. two spiral shells in the screw (21)
Cap (23) lower surface is equipped with annular groove (24), and the moving block (25) of circular ring shape is equipped in the annular groove (24)；Moving block (25)
It is fixedly connected with the top end of steel wire rope (2).
4. a kind of detachable expansion bolt according to claim 1, it is characterised in that：The mounting plate (18) is disk
Type, and the upper surface of mounting plate (18), and the side surface of mounting plate (18) is equipped with rectangular channel (26), rectangular channel (26) transfer
Dynamic to be equipped with pulley (27), the upper surface of the mounting plate (18) is equipped with No. three holes (28) for being through to rectangular channel (26)；It is described
Pulley (27) draws steel wire rope (2) by coordinating with No. three holes (28).
5. a kind of detachable expansion bolt according to claim 4, it is characterised in that：The elastic component (19) is spiral bullet
One kind in spring, rubber spring and gas spring (29).
6. a kind of detachable expansion bolt according to claim 5, it is characterised in that：After the gas spring (29) stretches
Length cannot reduce, it is used to prevent brake pad (17) from being moved towards the side of mounting plate (18).
7. a kind of detachable expansion bolt according to claim 6, the gas spring (29) includes push rod (3), piston
Plate (31) and cylinder body (32), the push rod (3) are slidably mounted on by piston plate (31) in cylinder body (32)；It is characterized in that：Institute
State cylinder body (32) inner wall equipped with position-limiting unit (33), its be used to make piston plate (31) one-way movement；The position-limiting unit (33)
Including block (34) and No. three springs (35)；The inner wall of the cylinder body (32) is equipped with multigroup mounting groove (36), the block
(34) it is fixedly mounted in mounting groove (36) by No. three springs (35)；The opposite one side with piston plate (31) of the block (34)
One side for arcwall face, block (34) opposite to each other with piston plate (31) is plane, is used to control piston plate (31) one-way movement.
8. a kind of detachable expansion bolt according to claim 7, it is characterised in that：The number of multigroup mounting groove (36)
Amount is at least two groups, and the quantity of mounting groove (36) and block (34) is consistent, and multigroup mounting groove (36) is along cylinder body (32)
Axial position be uniformly distributed；Each group of mounting groove (36) in multigroup mounting groove (36) includes three mounting grooves (36)；
Three mounting grooves (36) are always uniformly distributed in the way of circumferential arrangement along the diameter of cylinder body (32).
9. a kind of detachable expansion bolt according to claim 8, it is characterised in that：Phase in multigroup mounting groove (36)
Between adjacent two groups of mounting grooves (36), the axis direction of the line and cylinder body (32) of its close two mounting groove (36) interlock, use
In the same position for avoiding polylith piston plate (31) from repeating friction block (34).
10. a kind of detachable expansion bolt according to claim 7, it is characterised in that：The push rod (3) is located at cylinder body
(32) it is fixed with that buckle (37), it is used for through push rod (3) come to work between the outer surface at position and cylinder body (32) on the outside of
Seben (31) is squeezed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810721413.7A CN108799307B (en) | 2018-07-04 | 2018-07-04 | Conveniently-disassembled expansion bolt |
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| CN201810721413.7A CN108799307B (en) | 2018-07-04 | 2018-07-04 | Conveniently-disassembled expansion bolt |
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| CN108799307A true CN108799307A (en) | 2018-11-13 |
| CN108799307B CN108799307B (en) | 2020-07-21 |
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| CN201810721413.7A Expired - Fee Related CN108799307B (en) | 2018-07-04 | 2018-07-04 | Conveniently-disassembled expansion bolt |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109488675A (en) * | 2018-12-10 | 2019-03-19 | 重庆大学 | A kind of hinged bolt |
| CN110332205A (en) * | 2019-07-20 | 2019-10-15 | 张丽丽 | A kind of stable type check bolt |
| CN110645253A (en) * | 2019-09-29 | 2020-01-03 | 宁波金鼎紧固件有限公司 | Nut and bolt assembly capable of self-locking |
| CN110939643A (en) * | 2019-12-11 | 2020-03-31 | 储田生 | Anti-drop type fixing bolt |
| CN113483007A (en) * | 2021-08-11 | 2021-10-08 | 常州宜轩五金有限公司 | Automatic locking screw |
| CN113894581A (en) * | 2021-11-09 | 2022-01-07 | 贵州欣宇泰科精密科技有限公司 | Anti-seismic core expansion tool with locking function |
| CN114810753A (en) * | 2022-03-30 | 2022-07-29 | 宁波天安（集团）股份有限公司 | Bolt-up seal structure convenient to installation and prefabricated cabin that has this structure |
| CN116608197A (en) * | 2023-06-16 | 2023-08-18 | 宁波东南高强度紧固件有限公司 | Mechanical engagement high-strength bolt assembly |
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| CN113483007A (en) * | 2021-08-11 | 2021-10-08 | 常州宜轩五金有限公司 | Automatic locking screw |
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| CN113894581B (en) * | 2021-11-09 | 2023-10-20 | 贵州欣宇泰科精密科技有限公司 | Antidetonation core frock that rises with locking function |
| CN114810753A (en) * | 2022-03-30 | 2022-07-29 | 宁波天安（集团）股份有限公司 | Bolt-up seal structure convenient to installation and prefabricated cabin that has this structure |
| CN114810753B (en) * | 2022-03-30 | 2023-10-10 | 宁波天安（集团）股份有限公司 | Bolt fastening seal structure convenient to installation and prefabricated cabin with structure |
| CN116608197A (en) * | 2023-06-16 | 2023-08-18 | 宁波东南高强度紧固件有限公司 | Mechanical engagement high-strength bolt assembly |
| CN116608197B (en) * | 2023-06-16 | 2024-03-22 | 宁波东南高强度紧固件有限公司 | Mechanical engagement high-strength bolt assembly |
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| CN108799307B (en) | 2020-07-21 |
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Effective date of registration: 20200603 Address after: 325200 Xinhua Shangma Village, Tangxia Town, Ruian City, Wenzhou City, Zhejiang Province Applicant after: RUI'AN XINHUA MACHINERY STANDARD PIECES FACTORY Address before: 215617 Baojun Group Jiangsu Junma Group, 80 Zhenghanghe East Road, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant before: Yin Yuanyuan |
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