CN209025975U - Subassembly of lock bolt - Google Patents
Subassembly of lock bolt Download PDFInfo
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- CN209025975U CN209025975U CN201821373169.1U CN201821373169U CN209025975U CN 209025975 U CN209025975 U CN 209025975U CN 201821373169 U CN201821373169 U CN 201821373169U CN 209025975 U CN209025975 U CN 209025975U
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- bolt
- helical teeth
- pressing plate
- return helical
- skidding pressing
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Abstract
The utility model relates to electric power tool fields, specifically subassembly of lock bolt, including bolt and anti-skidding pressing plate, the back side of anti-skidding pressing plate and the front end of bolt are rotatably connected, and be respectively equipped with being capable of intermeshing first non-return helical teeth and the second non-return helical teeth on bolt and anti-skidding the pressing plate surface that fits, first non-return helical teeth screws contrary direction inclination towards with bolt, the direction of second non-return helical teeth and the direction of the first non-return helical teeth are opposite, to limit the relatively anti-skidding pressing plate counter-rotating of bolt, the front of anti-skidding pressing plate is the top splenium for pressing object, it is opposite by press object counter-rotating to limit anti-skidding pressing plate that the top splenium is equipped with anti-skid structure.The beneficial effects of the utility model are: anti-skid structure limits, anti-skidding pressing plate is opposite by pressure object counter-rotating, and the second non-return helical teeth prevents bolt from relatively anti-skidding pressing plate counter-rotating with engaging for the first non-return helical teeth, to guarantee that bolt will not loosen.
Description
Technical field
The utility model relates to electric power tool fields, specifically subassembly of lock bolt.
Background technique
In electric power tool field, for electric power tool being fixedly mounted on cable to be grounded to cable, electrical verification
Cable is pressed against thread clamping mechanism ontology usually using the bolt of cooperation thread clamping mechanism ontology by the thread clamping mechanism of equal inspection operations
On, to realize the fixation of thread clamping mechanism and cable.But can be loosened over time due to being bolted, especially exist
It in the environment of grease is more or high-frequency vibration, is bolted and more easily loosens, will lead to thread clamping mechanism clamping cable built on the sand very
To loosening, corresponding electric power tool is caused to can not work normally.
Utility model content
To solve the above-mentioned problems, the task of the utility model is to provide subassembly of lock bolt.
The utility model task is achieved through the following technical solutions:
Subassembly of lock bolt, including bolt and anti-skidding pressing plate, the back side of anti-skidding pressing plate and the front end of bolt can be rotated
Connection, and be respectively equipped with being capable of intermeshing first non-return helical teeth and second non-return for bolt and the surface that anti-skidding pressing plate fits
Helical teeth, the first non-return helical teeth screw contrary direction inclination towards with bolt, and the direction of the second non-return helical teeth is stopped with first
The direction of inverse helical teeth is on the contrary, to limit the relatively anti-skidding pressing plate counter-rotating of bolt, the front of anti-skidding pressing plate is for pressing object
The top splenium of body, it is opposite by press object counter-rotating to limit anti-skidding pressing plate that the top splenium is equipped with anti-skid structure.
It is preferred that the anti-skid structure is the non-return helical teeth of third being arranged in the top splenium, the court of the non-return helical teeth of third
To with the first non-return helical teeth towards identical, so that it is opposite by press object counter-rotating to limit anti-skidding pressing plate.
It is preferred that the anti-skid structure is the straight groove structure being arranged in the top splenium, top splenium passes through straight groove structure card
It is rotated embedded in by the outer surface of press object so as to limit anti-skidding pressing plate counterbody.
It is preferred that the first non-return helical teeth, first non-return helical teeth of circumferentially distributed formation on the front end face of the bolt
Circle, the second non-return helical teeth, second non-return helical teeth circle of circumferentially distributed formation on the back side of the anti-skidding pressing plate, first stops
Inverse helical teeth circle and the second non-return helical teeth circle are oppositely arranged.
It is preferred that the mode that the back side of the anti-skidding pressing plate and the front end of the bolt are rotatably connected are as follows: the spiral shell
The front end of bolt is equipped with fixing axle, and the anti-skidding pressing plate is equipped with corresponding through-hole, and the fixing axle and through-hole are each passed through described
The center of first non-return helical teeth circle and the second non-return helical teeth circle, anti-skidding pressing plate is covered in the fixing axle of bolt by through-hole and energy phase
To rotation, the end of fixing axle is additionally provided with the shaft-cup for being detached from fixing axle for limiting anti-skidding pressing plate.
It is preferred that the rear end of the bolt is successively arranged the first bolt head and the second bolt head along axial direction, the first bolt head and
Fracture is equipped between second bolt head, the peak torque that the fracture is able to bear is less than bolt other parts and is able to bear
Peak torque, when the first bolt head bear torque be greater than fracture be able to bear peak torque when, fracture can be broken
To make the first bolt head be detached from from bolt.
It is preferred that the structure of the fracture is that the annular groove of the bolt outer surface is arranged in and/or is arranged in bolt
Internal inner hole.
The beneficial effects of the utility model are: be 1. rotatably connected anti-skidding pressing plate by the front end in bolt, bolt and anti-
The surface that sliding pressure plate fits be respectively equipped with can intermeshing first non-return helical teeth and the second non-return helical teeth, first it is non-return tiltedly
Tooth is tilted towards screwing contrary direction with bolt, the direction of the second non-return helical teeth and the first non-return helical teeth towards phase
Instead, to limit the relatively anti-skidding pressing plate counter-rotating of bolt, in use, positive screwing bolts, bolt are pressed with anti-skidding pressing plate
Cable then proceedes to positive screwing bolts, and the relatively anti-skidding pressing plate of bolt rotates forward and Anti-slip regulation pressing plate holds out against cable
On the quiet collet of thread clamping mechanism ontology, due to anti-skidding pressing plate front be equipped with anti-skid structure and limit anti-skidding pressing plate with respect to cable it is reverse
Rotation by engaging for the second non-return helical teeth and the first non-return helical teeth, and then prevents bolt from relatively anti-skidding pressing plate counter-rotating,
Even if to guarantee to be bolted the time compared with long and grease is more, high-frequency vibration in the environment of, bolt will not all loosen；②
Fracture and two bolt heads are set, can according to need the maximum receiving torque for being pre-designed fracture, to make to screw anti-
When loose bolt assembly, fracture is broken when reaching maximum receiving torque and is detached from the first bolt head, will not turn round because screwing
Square is excessive and damages cable or thread clamping mechanism by pressure, and can be when needing demounting bolt, can be reversely strong by the second bolt head
System unscrews bolt, avoids bolt that from can not dismantling and causes maintenance inconvenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of subassembly of lock bolt in embodiment 1；
Fig. 2 is the decomposition texture schematic diagram of Fig. 1；
Fig. 3 is the structural schematic diagram of locking thread clamping mechanism in embodiment 1；
Fig. 4 is the decomposition texture schematic diagram of locking thread clamping mechanism in embodiment 1；
Fig. 5 is the decomposition texture schematic diagram of subassembly of lock bolt in embodiment 2；
Fig. 6 is the decomposition texture schematic diagram of locking thread clamping mechanism in embodiment 2；
Fig. 7 is the structural schematic diagram of subassembly of lock bolt in embodiment 3；
Fig. 8 is the structural schematic diagram of locking thread clamping mechanism in embodiment 3.
Wherein, subassembly of lock bolt 1, bolt 11, the first non-return helical teeth 111, the first bolt head 112, the second bolt head
113, fracture 114, annular groove 1141, inner hole 1142, anti-skidding pressing plate 12, the second non-return helical teeth 121, the non-return helical teeth of third
122, straight groove structure 123, through-hole 124, fixing axle 13, shaft-cup 131, thread clamping mechanism ontology 2, excessively line chamber 21, threaded hole 22, quiet folder
First 23.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below to apply in wire holding machine
For subassembly of lock bolt on structure, in conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should manage
Solution says that the specific embodiment of description is used only for explaining the utility model herein, is not used to limit the utility model.
Embodiment 1:
As shown in Figure 1, 2, subassembly of lock bolt 1, including bolt 11 and anti-skidding pressing plate 12, the back side of anti-skidding pressing plate 12 and spiral shell
The front end of bolt 11 is rotatably connected, and bolt 11 is respectively equipped with opposite first with the surface that anti-skidding pressing plate 12 fits and stops
It is non-return oblique by several first respectively on the first non-return helical teeth circle and the second non-return helical teeth circle against helical teeth circle and the second non-return helical teeth circle
Tooth 111 and several second non-return helical teeth 121 form, and the first non-return helical teeth 111 and the second non-return helical teeth 121 can be intermeshed,
First non-return helical teeth 111 screws contrary direction inclination, the direction of the second non-return helical teeth 121 and first towards with bolt 11
On the contrary, to limit relatively anti-skidding 12 counter-rotating of pressing plate of bolt 11, the front of anti-skidding pressing plate 12 is the direction of non-return helical teeth 111
For pressing the top splenium of cable, top splenium is equipped with anti-skid structure, and to limit, anti-skidding pressing plate 12 is opposite inversely to be revolved by press cable
Turn.
Anti-skid structure is the non-return helical teeth 122 of third being arranged in top splenium, the direction and first of the non-return helical teeth 122 of third
Non-return helical teeth 111 towards identical, so that it is opposite by press cable counter-rotating to limit anti-skidding pressing plate 12.
The mode that the back side of anti-skidding pressing plate 12 and the front end of bolt 11 are rotatably connected are as follows: the front end of bolt 11 is equipped with
Fixing axle 13, anti-skidding pressing plate 12 are equipped with corresponding through-hole 124, and fixing axle 13 and through-hole 124 are each passed through the first non-return helical teeth
The center of circle and the second non-return helical teeth circle, anti-skidding pressing plate 12 is by the way that 124 sets of through-hole in the fixing axle 13 of bolt 11 and energy is opposite
Rotation, the end of fixing axle 13 are additionally provided with the shaft-cup 131 for being detached from fixing axle 13 for limiting anti-skidding pressing plate 12.
As shown in Figure 3,4, above-mentioned subassembly of lock bolt 1 is applied to a kind of locking thread clamping mechanism, locking thread clamping mechanism packet
Subassembly of lock bolt 1 and thread clamping mechanism ontology 2 are included, wherein thread clamping mechanism ontology 2 is equipped with the mistake line chamber passed through for current supply cable
21, the cavity wall for crossing line chamber 21 is equipped with threaded hole 22, and the cavity wall opposite with threaded hole 22 is as quiet collet 23, bolt 11 and screw thread
Hole 22 is threadedly coupled, and the top splenium of subassembly of lock bolt 1 matches co-clip with quiet collet 23 towards quiet collet 23
Hold cable.
By being rotatably connected anti-skidding pressing plate 12 in the front end of bolt 11, the surface that bolt 11 and anti-skidding pressing plate 12 fit
Be respectively equipped with can intermeshing first non-return helical teeth 111 and the second non-return helical teeth 121, the first non-return helical teeth 111 towards with
Bolt 11 screws contrary direction inclination, the direction of the second non-return helical teeth 121 and the first non-return helical teeth 111 towards phase
Instead, to limit relatively anti-skidding 12 counter-rotating of pressing plate of bolt 11, in use, positive screwing bolts 11, bolt 11 is with anti-skidding
Pressing plate 12 presses cable, then proceedes to positive screwing bolts 11, the relatively anti-skidding pressing plate 12 of bolt 11 rotates forward and Anti-slip regulation
Pressing plate 12 holds out against cable on the quiet collet 23 of thread clamping mechanism ontology 2, since 12 front of anti-skidding pressing plate is equipped with anti-skid structure
The opposite cable counter-rotating of anti-skidding pressing plate 12 is limited, by engaging for the second non-return helical teeth 121 and the first non-return helical teeth 111, into
And prevent bolt 11 from relatively anti-skidding 11 counter-rotating of pressing plate, even if thus guarantee be bolted the time relatively long and grease compared with
In the environment of more, high-frequency vibration, bolt 11 will not all loosen.
Embodiment 2:
On the basis of 1 technical solution of embodiment, the improvement of another way is carried out to anti-skid structure:
As shown in figure 5, anti-skid structure is the straight groove structure 123 being arranged in top splenium, which is concave arc shape
Straight trough, so that cable surface be enable to be embedded, top splenium is by 123 inlay card of straight groove structure by the outer surface of press cable
So as to limit the opposite electric cable rotary of anti-skidding pressing plate 12.The subassembly of lock bolt 1 is applied to a kind of locking thread clamping mechanism, such as
Shown in Fig. 6.
Embodiment 3:
On the basis of 1 technical solution of embodiment, bolt is further improved:
As shown in fig. 7, the rear end of bolt 11 is successively arranged the first bolt head 112 and the second bolt head 113 along axial direction, first
Fracture 114 is equipped between bolt head 112 and the second bolt head 113, the peak torque that fracture 114 is able to bear is less than bolt
The peak torque that 11 other parts are able to bear, when the torque that the first bolt head 112 is born is greater than what fracture 114 was able to bear
When peak torque, fracture 114 can be broken to be detached from the first bolt head 112 from bolt 11.
The structure of fracture 114 is that the annular groove 1141 of 11 outer surface of bolt is arranged in and is arranged in inside bolt 11
Inner hole 1142 certainly, may be otherwise to keep the wall thickness at fracture 114 smaller and be broken at first when bearing torque
Irregular shrinkage pool, fracture lines etc. are set at fracture 114, so that fracture 114 is broken at first when bearing torque.It should
Subassembly of lock bolt 1 is applied to a kind of locking thread clamping mechanism, as shown in Figure 8.
First bolt head 112, the second bolt head 113 and fracture 114 are set, can according to need and be pre-designed fracture
The maximum of portion 114 bears torque, in use, can first pass through the first bolt head 112 screws subassembly of lock bolt 1, it is disconnected reaching
It is broken i.e. from fracture 114 when splitting the maximum receiving torque in portion 114 and is detached from the first bolt head 112, it in this way will not be because of rotation
Tight torque is excessive and damages cable or thread clamping mechanism by pressure, so that torque when subassembly of lock bolt 1 screws tight is controllable, and can need
When dismantling subassembly of lock bolt 1, subassembly of lock bolt 1 can be unscrewed by 113 counter force of the second bolt head, avoided locking
Bolt assembly 1 can not be dismantled and cause maintenance inconvenient.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that utility model range involved in the application, however it is not limited to made of the specific combination of above-mentioned technical characteristic
Technical solution, while should also cover in the case where not departing from utility model design, by above-mentioned technical characteristic or its equivalent feature
The other technical solutions for carrying out any combination and being formed.Such as features described above and (but being not limited to) disclosed herein have class
Technical characteristic like function is replaced mutually and the technical solution that is formed.
Claims (7)
1. subassembly of lock bolt, which is characterized in that including bolt and anti-skidding pressing plate, the front end of the back side of anti-skidding pressing plate and bolt into
Row is rotatably connected, and the surface that fits of bolt and anti-skidding pressing plate be respectively equipped with can intermeshing first non-return helical teeth and
Second non-return helical teeth, the first non-return helical teeth screw contrary direction inclination, the direction of the second non-return helical teeth towards with bolt
With the direction of the first non-return helical teeth on the contrary, to limit the opposite anti-skidding pressing plate counter-rotating of bolt, the front of anti-skidding pressing plate is to use
In the top splenium of press object, the top splenium is equipped with anti-skid structure, and to limit, anti-skidding pressing plate is opposite inversely to be revolved by press object
Turn.
2. subassembly of lock bolt according to claim 1, which is characterized in that the anti-skid structure is to be arranged in the top splenium
On the non-return helical teeth of third, the direction of the non-return helical teeth of third and the first non-return helical teeth are towards identical, to limit anti-skidding pressing plate
Relatively by press object counter-rotating.
3. subassembly of lock bolt according to claim 1, which is characterized in that the anti-skid structure is to be arranged in the top splenium
On straight groove structure, top splenium by straight groove structure inlay card by the outer surface of press object so as to limiting anti-skidding pressing plate phase
Object is rotated.
4. subassembly of lock bolt according to claim 1, which is characterized in that the first non-return helical teeth is before the bolt
The first non-return helical teeth circle of circumferentially distributed formation on end face, the second non-return helical teeth is on the back side of the anti-skidding pressing plate along week
The second non-return helical teeth circle is formed to distribution, the first non-return helical teeth circle and the second non-return helical teeth circle are oppositely arranged.
5. subassembly of lock bolt according to claim 4, which is characterized in that the back side of the anti-skidding pressing plate and the bolt
The mode that front end is rotatably connected are as follows: the front end of the bolt is equipped with fixing axle, and the anti-skidding pressing plate is equipped with corresponding
Through-hole, the fixing axle and through-hole are each passed through the center of the described first non-return helical teeth circle and the second non-return helical teeth circle, anti-sliding pressure
Plate is covered in the fixing axle of bolt and can be relatively rotated by through-hole, and the end of fixing axle is additionally provided with de- for limiting anti-skidding pressing plate
Shaft-cup from fixing axle.
6. subassembly of lock bolt according to claim 1, which is characterized in that the rear end of the bolt is successively arranged along axial direction
One bolt head and the second bolt head, are equipped with fracture between the first bolt head and the second bolt head, the fracture is able to bear
Peak torque be less than the peak torque that is able to bear of bolt other parts, when the torque that the first bolt head is born is greater than fracture
When the peak torque being able to bear, fracture can be broken to be detached from the first bolt head from bolt.
7. subassembly of lock bolt according to claim 6, which is characterized in that the structure of the fracture is to be arranged in the spiral shell
The annular groove of bolt outer surface and/or the inner hole being arranged in inside bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373169.1U CN209025975U (en) | 2018-08-23 | 2018-08-23 | Subassembly of lock bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373169.1U CN209025975U (en) | 2018-08-23 | 2018-08-23 | Subassembly of lock bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209025975U true CN209025975U (en) | 2019-06-25 |
Family
ID=66873559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821373169.1U Active CN209025975U (en) | 2018-08-23 | 2018-08-23 | Subassembly of lock bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209025975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825626A (en) * | 2018-08-23 | 2018-11-16 | 广州番禺电缆集团有限公司 | A kind of subassembly of lock bolt |
-
2018
- 2018-08-23 CN CN201821373169.1U patent/CN209025975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825626A (en) * | 2018-08-23 | 2018-11-16 | 广州番禺电缆集团有限公司 | A kind of subassembly of lock bolt |
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