CN105114431B - A kind of fastening bolt for being used to fix copper foil testing machine - Google Patents
A kind of fastening bolt for being used to fix copper foil testing machine Download PDFInfo
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- CN105114431B CN105114431B CN201510466647.8A CN201510466647A CN105114431B CN 105114431 B CN105114431 B CN 105114431B CN 201510466647 A CN201510466647 A CN 201510466647A CN 105114431 B CN105114431 B CN 105114431B
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Abstract
The invention discloses a kind of fastening bolt for being used to fix copper foil testing machine, including outer tube, holder, first through hole, the second through hole, the first fore-set, the first fastening block, bolt, the first connector, the second fore-set, the second fastening block and the second connector, the fastening bolt is quick and easy for installation, dismounting is also convenient for fast, there is no structural member external force deformation, it can reuse, and fastening effect is more preferable.
Description
Technical field
The present invention relates to copper material technical field of processing equipment, more particularly, to a kind of fastening for being used to fix copper foil testing machine
Bolt.
Background technology
The rolled copper foil of copper foil, especially purity more than 99.99%, is one of electronics industry basic material, with electricity
The high speed development of sub-information industry, the demand to copper foil is also increasing, product be widely used in mobile phone, industrial computer,
The electronic products such as notebook computer, liquid crystal flat panel display, digital camera, and a variety of industries such as medicine equipment, Aero-Space.
Domestic and international market is to rolled copper foil, and especially high-end high-performance rolled copper foil demand increasingly increases, and its production technology is relative
It is more complicated, need to update optimization treatment and finishing section-roughening, solidification, reddening, ashing, melanism, Huang in process of production
Technical recipe and the new processing methods such as change, these are required for completing by simulated test.Above-mentioned simulated test is by copper foil
Testing machine is realized.
At present, copper foil testing machine is fixed on vertical wall or horizontal wall by expansion bolt.The principle of expansion bolt is
Expansion bolt is put into the Kong Zhonghou on ground or metope, the nut screwed up with a wrench on expansion bolt drives bolt to walk toward outside,
And the outmost metal sleeve of expansion bolt is fixed, then, expansion bolt the inner is with tapered major part just metal
Sleeve pipe distending, makes the whole hole of its turgor, now, expansion bolt just can't pump out.Due to expansion bolt convenience quick for installation, tightly
Gu effect preferably, is widely used in the objects such as guard rail, rain cover, air-conditioning being fastenedly connected on the walls such as cement, brick.
But existing expansion bolt there is problems：1. existing expansion bolt is utilized with tapered bolt head
Metal sleeve distending is made to produce larger frictional force between metal sleeve and hole wall, is fixed by portion, in other equal bars
Under part, compared with the active force of other species, such as normal pressure, frictional force is a kind of small and weak power of comparison, its fastening produced
Effect is poor, easily gets loose；It is more convenient quick 2. expansion bolt is installed first, but be due to that expansion bolt is used
Be frictional force, it is extremely difficult during dismounting, it is necessary to hammering expansion bolt with larger external force leaks part outside wall, make its left and right
Rock, to wish that metal sleeve can be released under swelling state, waste time and energy, have to a certain degree to expansion bolt and wall
Physical damage, even if successfully expansion bolt is dismantled down, due to its leakage head and metal sleeve have larger deformation,
Installation difficulty when reusing, fastening effect is also poor, and What is more, and expansion bolt can not be released from hole, can only be straight by its
Cut-out is connect, the part permanent envelope in wall is present in wall, causes the recycling rate of waterused of expansion bolt low.
Therefore, how a kind of quick and easy for installation, dismounting is provided and is also convenient for fast, not having structural member external force deformation,
It can reuse, and the more preferable fastening bolt of fastening effect is the technical problem of those skilled in the art's urgent need to resolve.
The content of the invention
It is an object of the invention to provide a kind of fastening bolt for being used to fix copper foil testing machine, the fastening bolt installation side
Just quick, dismounting is also convenient for fast, not having structural member external force deformation, can reusing, and fastening effect is more preferable.
To solve above-mentioned technical problem, the technical scheme that the present invention is provided is：
A kind of fastening bolt for being used to fix copper foil testing machine, including：
Outer tube, several first fastening blocks, bolt and the first fore-set；
The holder that external diameter is more than the outer tube external diameter is provided with the left side of the outer tube, the outer tube
The inner surface setting of left side, which has, is provided with first through hole, a left side for the first through hole on plus thread, the tube wall of the outer tube
Length in right direction only allows first fastening block to slide up and down and limit first fastening block to horizontally slip, and described
Width on the fore-and-aft direction of one through hole only allows first fastening block to slide up and down, and the cross section of the first through hole is square
Shape and corresponded with first fastening block, the same radial section of the central point of the first through hole in the outer tube
It is uniformly distributed above and along the outer wall of the outer tube；
First fore-set includes cylindrical portion and conus portion, be provided with the circular conical surface of the conus portion several with it is described
The one-to-one groove of first fastening block, the inner bottom surface of the groove is tapered plane, and the external diameter of first fore-set is less than described
The internal diameter of outer tube is to allow first fore-set to be slided in the outer tube；
The cross section of first fastening block is the rectangle coordinated with the first through hole of rectangular cross section, described first
The bottom surface of fastening block is to coordinate with the inner bottom surface of the groove to cause tapered plane that first fastening block is slided up and down, described
It is provided with what is be in contact for preventing the bottom surface of first fastening block of relative two on the surrounding side of first fastening block
It is provided with boss, the surrounding side of first fastening block for preventing first fastening block from being skidded off from the outer tube
Lower convex platform；
The bolt is included positioned at the clamping part of left end and the threaded portion coordinated with the plus thread in the outer tube；
Also include being used for the left side for right side and first fore-set for connecting the bolt, and by the rotation of the bolt
First connector of the dynamic linear motion for being changed into first fore-set of transhipment.
It is preferred that, first connector includes cylindrical rods and two disks for being located at the cylindrical rods two ends respectively, institute
Stating to be provided with the cavity being provided with the right side of bolt for wrapping up the disk, the left side of first fore-set is used for
The cavity of another disk is wrapped up, the internal diameter of the entrance of the cavity is more than the external diameter of the cylindrical bar, and less than described
The external diameter of disk.
It is preferred that, in addition to the second fore-set, several second fastening blocks and for connect the bolt right side and
The left side of second fore-set, and the rotary motion of the bolt is changed into second fore-set linear motion second
Connector；
Second fore-set includes cylindrical portion and round platform portion, be provided with the circular conical surface in the round platform portion several with it is described
The one-to-one groove of second fastening block, the inner bottom surface of the groove is tapered plane, and the external diameter of second fore-set is less than described
The internal diameter of outer tube is to allow second fore-set to be slided in the outer tube；
The length being provided with the outer tube on the second through hole, the left and right directions of second through hole had both allowed described
Two fastening blocks slide up and down and allow second fastening block to horizontally slip, and the width on the fore-and-aft direction of second through hole is only
Allow second fastening block to slide up and down, the cross section of second through hole for rectangle and with a pair of second fastening block 1
Should, the central point of second through hole is on the same radial section of the outer tube and uniform along the outer wall of the outer tube
Distribution；
The cross section of second fastening block is the rectangle coordinated with second through hole of rectangular cross section, described second
The bottom surface of fastening block is that the inner bottom surface cooperation with the groove slides up and down and horizontally slipped to cause second fastening block
Upper limit platform is provided with tapered plane, the leading flank and/or trailing flank of second fastening block, when the upper limit platform is overlapped on
When on the outer wall of the outer tube, the passage that the bottom surface of several second fastening blocks is constituted allows first fore-set to lead to
Cross, be provided with the leading flank and/or trailing flank of second fastening block for preventing second fastening block from the overcoat
The lower limit platform skidded off on pipe；
The length of first connector and second connector, which is met, causes first fastening block close to described outer
The right side of sleeve pipe, and cause second fastening block close to the left side of the outer tube.
It is preferred that, second connector includes cylindrical rods and two disks for being located at the cylindrical rods two ends respectively, institute
The cavity being provided with the right side of bolt for wrapping up the disk is stated, the left side of second fore-set is provided with for wrapping
The cavity of another disk is wrapped up in, the internal diameter of the entrance of the cavity is more than the external diameter of the cylindrical bar, and less than the circle
The external diameter of disk.
It is preferred that, the upper surface of first fastening block is the tapered plane with left and right directions at an angle, described second
The upper surface of fastening block is the tapered plane with left and right directions at an angle.
The advantageous effects of the present invention：
1. the fastening bolt that the present invention is provided is quick and easy for installation：With instrument fixed clamp part, spiral shell is then screwed clockwise
Bolt, promotes the first fore-set to move right, and the outwards ejection simultaneously of several first fastening blocks closely connects with the hole wall on wall
Touch, promote the second fore-set to move right, the outwards ejection simultaneously of several second fastening blocks closely connects with the hole wall on wall
Touch, so that the fastening bolt that the present invention is provided is fixed in hole.
2. the fastening bolt convenient disassembly that the present invention is provided is quick：With instrument fixed clamp part, spiral shell is then screwed counterclockwise
Bolt, drives the first fore-set to left movement, several first fastening blocks are inwardly withdrawn simultaneously, are disconnected and being contacted with the hole wall on wall,
Drive the second fore-set to left movement, several second fastening blocks are inwardly withdrawn simultaneously, are in close contact with the hole wall on wall, so that
The fastening bolt that the present invention is provided is extracted out from hole, is tapped without external force.
3. the fastening bolt that the present invention is provided, occurs without the deformation of structural member, keeps intact during installation and removal,
The problem of not getting off in the absence of dismounting, can repeatedly use, high recycling rate.
4. the fastening bolt that the present invention is provided is close by the first fastening block and the second fastening block and hole wall that are ejected
Contact and fix, the active force between the first fastening block and the second fastening block and hole wall is normal pressure, in other equal conditions
Under, it is bigger than the frictional force of expansion bolt so that the fastening effect for the fastening bolt that the present invention is provided is more preferable.
5. compared to being in its longitudinal direction single position with expansion bolt by fastening force, in the present invention, in fastening bolt
Length direction on there are the fastening force at two positions, and the two ends of the fastening force point row fastening bolt at two positions so that
The two ends of fastening bolt are while uniform stressed, stress equalization, should not get loose, improve fastening bolt in the longitudinal direction
Fastening effect.
Brief description of the drawings
Fig. 1 is the operation principle schematic diagram of fastening bolt provided in an embodiment of the present invention；
Fig. 2 is the structural representation of outer tube in Fig. 1；
Fig. 3 is the structural representation of the second fore-set in Fig. 1；
Fig. 4 is the structural representation of the first connector in Fig. 1.
In figure：1 outer tube, 101 holders, 102 first through hole, 103 second through holes, 2 first fore-sets, 3 first fastening blocks,
301 convex platforms, 302 lower convex platforms, 4 bolts, 401 clamping parts, 402 threaded portions, 5 first connectors, 501 cylindrical rods, 502 disks, 6
Second fore-set, 601 cylindrical portions, 602 round platform portions, 603 grooves, 604 cavitys, 7 second fastening blocks, 8 second connectors, 9 walls,
901 holes.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " axial direction ", " radial direction ", " longitudinal direction ", " transverse direction ",
" length ", " width ", " on ", " under ", "front", "rear", "left", "right", " top ", " bottom ", " interior ", " outer ", " clockwise ", " inverse
The orientation or position relationship of the instructions such as hour hands " are, based on orientation shown in the drawings or position relationship, to be for only for ease of description originally
Invention and simplified description, rather than instruction or the signified device of hint or element must be with specific orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, limiting " first ", the feature of " second " can express or imply
Ground includes one or more this feature.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under ",
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy in the surface and oblique upper of second feature, or be merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature in the underface and obliquely downward of second feature, or only
Only represent that fisrt feature level height is less than second feature.
Reference picture 1~Fig. 4, Fig. 1 are the operation principle schematic diagram of fastening bolt provided in an embodiment of the present invention；Fig. 2 is Fig. 1
The structural representation of middle outer tube；Fig. 3 is the structural representation of the second fore-set in Fig. 1；Fig. 4 is the knot of the first connector in Fig. 1
Structure schematic diagram.
The invention provides a kind of fastening bolt for being used to fix copper foil testing machine, including：
Outer tube 1, several first fastening blocks 3, the fore-set 2 of bolt 4 and first；
The holder 101 that external diameter is more than the external diameter of outer tube 1, the left side of outer tube 1 are provided with the left side of outer tube 1
Inner surface setting have plus thread, it is preferred that holder 101 is hex nut, and the internal diameter of holder 101 is interior with outer tube 1
Footpath is identical, and the inner surface of holder 101 also has plus thread, and is coherent with the plus thread in outer tube 1.
The length being provided with the tube wall of outer tube 1 on first through hole 102, the left and right directions of first through hole 102 only allows
First fastening block 3 slides up and down and limits the first fastening block 3 and horizontally slips, and the width on the fore-and-aft direction of first through hole 102 is only
The first fastening block 3 is allowed to slide up and down, i.e., the cross-sectional area of first through hole 102 is slightly larger than the cross section face of the first fastening block 3
Product, leaves less space, has both enabled the first fastening block 3 successfully to slide up and down, be avoided that the first fastening block 3 in cunning again
To front, rear, left and right deflection during dynamic, the fastening effect of above-mentioned fastening bolt is improved.
The cross section of first through hole 102 is rectangle and corresponded with the first fastening block 3, the central point of first through hole 102
It is uniformly distributed on the same radial section of outer tube 1 and along the outer wall of outer tube 1.It is preferred that, above-mentioned first through hole 102 is
6, the first fastening block 3 is also 6, and quantity should not be very little so that fastening bolt is in circumference upwards by enough and in a balanced way just
Pressure, quantity should not be too many so that during installation, facilitates the groove 603 on the positioning of the first fore-set 2, the first fore-set 2 can be square
Just, fast, successfully it is enclosed on 6 the first fastening blocks 3.
First fore-set 2 includes being provided with several and the first fastening block 3 on cylindrical portion and conus portion, the circular conical surface of conus portion
One-to-one groove, the inner bottom surface of groove is tapered plane, and the external diameter of the first fore-set 2 is less than the internal diameter of outer tube 1 to cause the
One fore-set 2 can be slided in outer tube 1.
The cross section of first fastening block 3 is the rectangle coordinated with the first through hole 102 of rectangular cross section.First fastening block 3
Bottom surface be to coordinate to cause tapered plane that the first fastening block 3 is slided up and down, the surrounding of the first fastening block 3 with the inner bottom surface of groove
The convex platform 301 for preventing the bottom surface of two relative the first fastening blocks 3 to be in contact is provided with side, when non-installment state
Under, convex platform 301 is overlapped on the outer wall of outer tube 1 so that passage, phase are left between the bottom surface of several the first fastening blocks 3
Be not in contact with each other so that when seated, the conus portion of the first fore-set 2 can with it is convenient, fast, smoothly enter above-mentioned passage, enter
And cause the first fore-set 2 on groove can with it is convenient, fast, be successfully enclosed on 6 the first fastening blocks 3.First fastening block 3
The lower convex platform 302 for preventing the first fastening block 3 from being skidded off from outer tube 1 is provided with surrounding side.It is preferred that, it is above-mentioned convex
Platform 301 and lower convex platform 302 are rectangular-shape, each one, on the right flank of above-mentioned first fastening block 3.It is preferred that, first is tight
Gu the upper surface of block 3 is the tapered plane with left and right directions at an angle, to produce certain taper, reduce the effect of normal pressure
Area so that the first fastening block 3 is inserted into certain depth in 901 walls, improves the fastening effect of above-mentioned fastening bolt.
Above-mentioned bolt 4 is included positioned at the clamping part 401 of left end and the threaded portion 402 coordinated with the plus thread in outer tube 1.
It is preferred that, the radial section of clamping part 401 is regular hexagon, supporting with conventional clamping device, with higher versatility.
Also include the right side for connecting bolt 4 and the left side of the first fore-set 2, and the rotary motion of bolt 4 is turned
It is changed into the first connector 5 of the linear motion of the first fore-set 2.The effect of first connector 5 is connection and motion mode conversion.
In one embodiment of the present of invention, the first connector 5 includes cylindrical rods 501 and two circles for being located at the two ends of cylindrical rods 501 respectively
It is provided with the cavity 604 for wrapping up disk 502, the left side of the first fore-set 2 and is provided with disk 502, the right side of bolt 4
Cavity 604 for wrapping up another disk 502, the internal diameter of the entrance of cavity 604 is more than the external diameter of cylindrical bar, and less than disk
502 external diameter.When bolt 4, which is rotating, to travel forward, because cavity 604 is overall parcel disk 502, the two is not any
Connection so that the disk 502 in cavity 604 is non-rotary, and the inwall of cavity 604 makees to the right straight line fortune for 502 1 to disk
Dynamic power, this power passes to the first fore-set 2 by the first connector 5, so as to drive the first fore-set 2 for linear motion to the right.
The fastening bolt that the present invention is provided has advantages below：1. it is quick and easy for installation：With instrument fixed clamp part 101,
Then bolt 4 is screwed clockwise, promotes the first fore-set 2 to move right, and several first fastening blocks 3 are outwards ejected simultaneously, with
The wall of hole 901 on wall 9 is in close contact, so that the fastening bolt that the present invention is provided is fixed in hole 901；2. convenient disassembly is fast
It is prompt：With instrument fixed clamp part 101, bolt 4 is then screwed counterclockwise, the first fore-set 2 is driven to left movement, and several are first tight
Gu block 3 is inwardly withdrawn simultaneously, disconnect and contacting with hole 901 wall on wall 9, so that the fastening bolt that the present invention is provided is from hole
Extract out, tapped without external force in 901；3. occurring without the deformation of structural member during installation and removal, keep intact, be not present
The problem of dismounting is not got off, can repeatedly use, high recycling rate；4. the fastening bolt that the present invention is provided is by quilt
The first fastening block 3 and the wall of hole 901 of ejection are in close contact to fix, the active force between the first fastening block 3 and the wall of hole 901
For normal pressure, under other equal conditions, it is bigger than the frictional force of expansion bolt so that the fastening bolt that the present invention is provided
Fastening effect is more preferable.
Some position of existing expansion bolt only in its longitudinal direction is caused the fastening of expansion bolt by fastening force
Effect is relatively low；And above-mentioned fastening force be located at expansion bolt inner end, and the remaining position of expansion bolt with the wall of hole 901
It is non-contacting, still leaves space, when expansion bolt is during long-term use, or by larger side force, expanding screw
Bolt is easy to deflection to the left and right so that the longitudinal center line of its longitudinal center line offset bore 901, and 2 points of the above causes existing swollen
Swollen bolt is easier to release, and fastening effect is relatively low.Therefore, in one embodiment of the invention, the fastening bolt that the present invention is provided
Also include the second fore-set 6, several second fastening blocks 7 and the right side for connecting bolt 4 and the left end of the second fore-set 6
Face, and the rotary motion of bolt 4 is changed into the second connector 8 of the linear motion of the second fore-set 6.
Second fore-set 6 includes cylindrical portion 601 and round platform portion 602, and several and the are provided with the circular conical surface in round platform portion 602
The one-to-one groove 603 of two fastening block 7, the inner bottom surface of groove 603 is tapered plane, and the external diameter of the second fore-set 6 is less than outer tube 1
Internal diameter to allow the second fore-set 6 to be slided in outer tube 1.
The length being provided with outer tube 1 on second through hole 103, the left and right directions of the second through hole 103 had both allowed second tight
Gu block 7 slides up and down and allows the second fastening block 7 to horizontally slip, the width on the fore-and-aft direction of the second through hole 103 only allows
Two fastening blocks 7 are slided up and down, i.e., the width on the fore-and-aft direction of the second through hole 103 is slightly larger than on the fore-and-aft direction of the second fastening block 7
Width, leave less space, both allowed the second fastening block 7 to slide up and down, its forward or backward deflection is limited again, still
Length on the left and right directions of second through hole 103 is significantly greater than the thickness on the left and right directions of the second fastening block 7 so that during installation, the
Two fastening blocks 7 can to the right slide, not hindered by external force, promote the first fore-set 2 to enter one during upward sliding simultaneously
Step is moved right, and is arranged such so that the first fore-set 2 and the second fore-set 6 can not be stopped by other structures part, freely to
Right motion, the first fastening block 3 and the second fastening block 7 are correspondingly withstood on the wall of hole 901, firmly screw bare terminal end, can be maximum
The normal pressure between the first fastening block 3 and the second fastening block 7 and the wall of hole 901 is improved to limit, even more so that the He of the first fastening block 3
Second fastening block 7 is as nail in the wall of patchhole 901, so as to be obviously improved the fastening effect of above-mentioned fastening bolt.Second
The cross section of through hole 103 is rectangle and corresponded with the second fastening block 7 that the central point of second through hole 103 is in the same of outer tube 1
It is uniformly distributed on one radial section and along the outer wall of outer tube 1.It is preferred that, above-mentioned second through hole 103 is 6, the second fastening
Block 7 is also 6, and quantity should not be very little so that fastening bolt is in circumference upwards by enough and normal pressure in a balanced way, and quantity is unsuitable
Too much so that during installation, facilitate groove 603 on the positioning of the second fore-set 6, the second fore-set 6 can be with convenient, fast, successfully
It is enclosed on 6 the second fastening blocks 7.
The bottom surface of second fastening block 7 is the inner bottom surface cooperation with groove 603 second fastening block 7 is slided up and down and left
Upper limit platform is provided with the tapered plane of right slip, the leading flank and/or trailing flank of the second fastening block 7, when upper limit platform overlap joint
When on the outer wall of outer tube 1, the passage that the bottom surface of several the second fastening blocks 7 is constituted allows the first fore-set 2 to pass through, and second is tight
Gu the lower limit platform for preventing the second fastening block 7 from being skidded off from outer tube 1 is provided with the leading flank and/or trailing flank of block 7.
It is preferred that, above-mentioned upper limit platform and lower limit platform be rectangular-shape, each one, on the trailing flank of above-mentioned second fastening block 7.
Further, the upper surface of the second fastening block 7 is the tapered plane with left and right directions at an angle, to produce certain taper,
Reduce the active area of normal pressure so that the second fastening block 7 is inserted into 901 wall certain depths, improves above-mentioned fastening spiral shell
The fastening effect of bolt.
The length of first connector 5 and the second connector 8, which is met, causes the first fastening block 3 close to the right side of outer tube 1,
And cause the second fastening block 7 close to the left side of outer tube 1, to cause the fastening force point row fastening spiral shell suffered by above-mentioned fastening bolt
Two ends on bolt length direction, stress equalization is not susceptible to the longitudinal center line of the longitudinal center line offset bore 901 of fastening bolt
The problem of, it is difficult to release, improves the fastening effect of fastening bolt.
In one embodiment of the invention, above-mentioned second connector 8 includes cylindrical rods and two are located at cylindrical rods respectively
The cavity for wrapping up disk is provided with the disk at two ends, the right side of bolt, the left side of the second fore-set, which is provided with, to be used for
The cavity of another disk is wrapped up, the internal diameter of the entrance of cavity is more than the external diameter of cylindrical bar, and less than the external diameter of disk.Work as bolt
It is rotating when travelling forward, because cavity is overall parcel disk 502, the two does not have any connection so that the circle in cavity
Disk is non-rotary, and the inwall of cavity gives one, disk active force for linear motion to the right, and this active force passes through second and connected
Fitting 8 passes to the second fore-set 6, so as to drive the second fore-set 6 for linear motion to the right.
The present invention is by the basis of the first fastening block 3 is set, then setting the second fastening block 7 so that in fastening bolt
Length direction on there are the fastening force at two positions, and the two ends of the fastening force point row fastening bolt at two positions so that
The two ends of fastening bolt are while uniform stressed, stress equalization, should not get loose in the longitudinal direction, so that on being obviously improved
State the fastening effect of fastening bolt.
The present invention mentions multiple technical problems, while proposing corresponding technical scheme for each technical problem.Multiple skills
Art problem is not separate, is interactional so that above-mentioned multiple technical schemes are solving corresponding technical problem
On the basis of, further with other solution pools, the technology solved acquired by corresponding technical problem can be significantly improved
Effect, or multiple technical problems can be solved simultaneously.The basis of corresponding technical problem is solved in each independent technical scheme
On, multiple laddering technical schemes are mutually combined between superposition, technical scheme and cooperated, and mutually promote, and formation one is whole
Body scheme, the technique effect of acquirement is much better than the technique effect of any of the above technical schemes, and synergistic effect is notable.
The method and apparatus of the not detailed description of the present invention are prior art, are repeated no more.
Specific embodiment used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate the method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these change
Enter and modify to also fall into the protection domain of the claims in the present invention.
Claims (5)
1. a kind of fastening bolt for being used to fix copper foil testing machine, it is characterised in that including：
Outer tube, several first fastening blocks, bolt and the first fore-set；
The holder that external diameter is more than the outer tube external diameter, the left side of the outer tube are provided with the left side of the outer tube
The inner surface setting in portion, which has, is provided with first through hole, the right and left of the first through hole on plus thread, the tube wall of the outer tube
Upward length only allows first fastening block to slide up and down and limit first fastening block to horizontally slip, and described first leads to
Width on the fore-and-aft direction in hole only allows first fastening block to slide up and down, the cross section of the first through hole for rectangle and
Corresponded with first fastening block, the central point of the first through hole on the same radial section of the outer tube and
It is uniformly distributed along the outer wall of the outer tube；
First fore-set includes being provided with several and described first on cylindrical portion and conus portion, the circular conical surface of the conus portion
The one-to-one groove of fastening block, the inner bottom surface of the groove is tapered plane, and the external diameter of first fore-set is less than the overcoat
The internal diameter of pipe is to allow first fore-set to be slided in the outer tube；
The cross section of first fastening block is the rectangle coordinated with the first through hole of rectangular cross section, first fastening
The bottom surface of block is to coordinate to cause tapered plane that first fastening block is slided up and down, described first with the inner bottom surface of the groove
The convex platform for preventing the bottom surface of first fastening block of relative two to be in contact is provided with the surrounding side of fastening block,
It is provided with the surrounding side of first fastening block for preventing first fastening block from being skidded off down from the outer tube
Boss；
The bolt is included positioned at the clamping part of left end and the threaded portion coordinated with the plus thread in the outer tube；
Also include being used for the left side for right side and first fore-set for connecting the bolt, and the rotation of the bolt is transported
First connector of the dynamic linear motion for being changed into first fore-set.
2. fastening bolt according to claim 1, it is characterised in that first connector includes cylindrical rods and two points
Not Wei Yu the cylindrical rods two ends disk, the cavity for wrapping up the disk, institute are provided with the right side of the bolt
The cavity for wrapping up another disk is provided with the left side for stating the first fore-set, the internal diameter of the entrance of the cavity is big
In the external diameter of the cylindrical bar, and less than the external diameter of the disk.
3. fastening bolt according to claim 1, it is characterised in that also including the second fore-set, several second fastening blocks
And change for connecting the right side of the bolt and the left side of second fore-set, and by the rotary motion of the bolt
For the second connector of the linear motion of second fore-set；
Second fore-set includes being provided with several and described second on cylindrical portion and round platform portion, the circular conical surface in the round platform portion
The one-to-one groove of fastening block, the inner bottom surface of the groove is tapered plane, and the external diameter of second fore-set is less than the overcoat
The internal diameter of pipe is to allow second fore-set to be slided in the outer tube；
The length being provided with the outer tube on the second through hole, the left and right directions of second through hole had both allowed described second tight
Gu block slides up and down and allows second fastening block to horizontally slip, the width on the fore-and-aft direction of second through hole only allows
Second fastening block is slided up and down, and the cross section of second through hole corresponds for rectangle and with second fastening block,
The central point of second through hole divides on the same radial section of the outer tube and uniformly along the outer wall of the outer tube
Cloth；
The cross section of second fastening block is the rectangle coordinated with second through hole of rectangular cross section, second fastening
The bottom surface of block is the inner bottom surface cooperation with the groove to cause second fastening block slides up and down and horizontally slipped tiltedly flat
Be provided with upper limit platform on face, the leading flank and/or trailing flank of second fastening block, when the upper limit platform be overlapped on it is described
When on the outer wall of outer tube, the passage that the bottom surface of several second fastening blocks is constituted allows first fore-set to pass through, institute
State and be provided with the leading flank and/or trailing flank of the second fastening block for preventing second fastening block from being slided from the outer tube
The lower limit platform gone out；
The length of first connector and second connector, which is met, causes first fastening block close to the outer tube
Right side, and cause second fastening block close to the left side of the outer tube.
4. fastening bolt according to claim 3, it is characterised in that second connector includes cylindrical rods and two points
Not Wei Yu the cylindrical rods two ends disk, the cavity for wrapping up the disk, institute are provided with the right side of the bolt
The left side for stating the second fore-set is provided with cavity for wrapping up another disk, and the internal diameter of the entrance of the cavity is more than
The external diameter of the cylindrical bar, and less than the external diameter of the disk.
5. fastening bolt according to claim 3, it is characterised in that the upper surface of first fastening block is and right and left
To tapered plane at an angle, the upper surface of second fastening block is the tapered plane with left and right directions at an angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466647.8A CN105114431B (en) | 2015-07-31 | 2015-07-31 | A kind of fastening bolt for being used to fix copper foil testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466647.8A CN105114431B (en) | 2015-07-31 | 2015-07-31 | A kind of fastening bolt for being used to fix copper foil testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105114431A CN105114431A (en) | 2015-12-02 |
| CN105114431B true CN105114431B (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510466647.8A Active CN105114431B (en) | 2015-07-31 | 2015-07-31 | A kind of fastening bolt for being used to fix copper foil testing machine |
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| Country | Link |
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| CN (1) | CN105114431B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630878A (en) * | 2017-10-13 | 2018-01-26 | 王晓雷 | One kind nail connection bolt |
| CN110552952B (en) * | 2019-08-10 | 2021-04-20 | 温州市鑫泰紧固件有限公司 | High-strength anti-skid screw fastener |
| CN110486360B (en) * | 2019-08-10 | 2021-03-12 | 泰州市环星不锈钢有限公司 | Expansion screw convenient to take out |
| CN113266628A (en) * | 2021-04-28 | 2021-08-17 | 济南得德环保科技有限公司 | Installation method of expansion bolt on building wall |
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|---|---|---|---|---|
| CN2082787U (en) * | 1990-06-09 | 1991-08-14 | 王道平 | Expansion screw |
| CN201575015U (en) * | 2009-11-19 | 2010-09-08 | 慈航关怀有限公司 | Expansion screw |
| CN202468600U (en) * | 2012-03-15 | 2012-10-03 | 余姚市吴兴铜业有限公司 | Bolt |
| CN102996601A (en) * | 2012-12-07 | 2013-03-27 | 宁波金鼎紧固件有限公司 | Bolt for rapidly positioning bearing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6884012B2 (en) * | 2003-09-04 | 2005-04-26 | Illinois Tool Works Inc. | Heavy duty toggle bolt fastener assembly, and method of installing and removing the same |
| KR20050078831A (en) * | 2004-02-03 | 2005-08-08 | 엘지이노텍 주식회사 | Wedge type coupling member |
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2015
- 2015-07-31 CN CN201510466647.8A patent/CN105114431B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082787U (en) * | 1990-06-09 | 1991-08-14 | 王道平 | Expansion screw |
| CN201575015U (en) * | 2009-11-19 | 2010-09-08 | 慈航关怀有限公司 | Expansion screw |
| CN202468600U (en) * | 2012-03-15 | 2012-10-03 | 余姚市吴兴铜业有限公司 | Bolt |
| CN102996601A (en) * | 2012-12-07 | 2013-03-27 | 宁波金鼎紧固件有限公司 | Bolt for rapidly positioning bearing |
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| CN105114431A (en) | 2015-12-02 |
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