CN108847537A - A kind of locking thread clamping mechanism - Google Patents
A kind of locking thread clamping mechanism Download PDFInfo
- Publication number
- CN108847537A CN108847537A CN201810972218.1A CN201810972218A CN108847537A CN 108847537 A CN108847537 A CN 108847537A CN 201810972218 A CN201810972218 A CN 201810972218A CN 108847537 A CN108847537 A CN 108847537A
- Authority
- CN
- China
- Prior art keywords
- bolt
- pressing plate
- helical teeth
- clamping mechanism
- return helical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Abstract
The present invention relates to electric power tool fields, specifically a kind of locking thread clamping mechanism, including thread clamping mechanism ontology and subassembly of lock bolt, subassembly of lock bolt includes the bolt being rotatably connected and anti-skidding pressing plate, bolt and the surface that anti-skidding pressing plate fits be respectively equipped with can intermeshing first non-return helical teeth and the second non-return helical teeth to limit the opposite anti-skidding pressing plate counter-rotating of bolt, it is opposite by press cable counter-rotating to limit anti-skidding pressing plate that the top splenium of anti-skidding pressing plate is equipped with anti-skid structure, thread clamping mechanism ontology is equipped with the quiet collet and threaded hole being oppositely arranged, bolt is threadedly coupled with threaded hole, and the top splenium of subassembly of lock bolt cooperates clamping cable with quiet collet towards quiet collet.The beneficial effects of the invention are as follows：Anti-skid structure limits anti-skidding pressing plate with respect to electric cable rotary, 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 present invention relates to electric power tool field, specifically a kind of locking thread clamping mechanism.
Background technique
Thread clamping mechanism is used to electric power tool being fixedly mounted on cable, to be grounded to cable, the maintenance such as electrical verification
Operation, is the important component of electric power tool.Currently, thread clamping mechanism will be electric usually using the bolt of cooperation thread clamping mechanism ontology
Cable presses against on thread clamping mechanism ontology, to realize the fixation of thread clamping mechanism and cable.But due to being bolted over time
It can loosen, especially in the environment of grease is more or high-frequency vibration, be bolted and more easily loosen, will lead to wire holding machine
Structure clamping cable even loosens built on the sand, and corresponding electric power tool is caused to can not work normally.
Summary of the invention
To solve the above-mentioned problems, the task of the present invention is provide a kind of locking thread clamping mechanism.
Task of the present invention is achieved through the following technical solutions：
A kind of locking thread clamping mechanism, including thread clamping mechanism ontology and subassembly of lock bolt, subassembly of lock bolt include bolt
With anti-skidding pressing plate, the back side of anti-skidding pressing plate and the front end of bolt are rotatably connected, and bolt and anti-skidding pressing plate fit
Surface be respectively equipped with can intermeshing first non-return helical teeth and the second non-return helical teeth, the first non-return helical teeth towards and bolt revolve
Tight contrary direction inclination, the direction of the second non-return helical teeth is with the direction of the first non-return helical teeth on the contrary, to limit bolt
Relatively anti-skidding pressing plate counter-rotating, the front of anti-skidding pressing plate are the top splenium for pressing cable, and the top splenium is equipped with anti-
Slipped Clove Hitch structure is opposite by press cable counter-rotating to limit anti-skidding pressing plate, and thread clamping mechanism ontology is equipped with the quiet collet being oppositely arranged
And threaded hole, bolt are threadedly coupled with threaded hole, and the top splenium of subassembly of lock bolt towards quiet collet so as to
Quiet collet cooperation clamping cable.
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 cable 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
Embedded in by the outer surface of press cable so as to limiting anti-skidding pressing plate with respect to electric cable rotary.
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 is：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.
It is preferred that the thread clamping mechanism ontology is equipped with the mistake line chamber passed through for current supply cable, the threaded hole is arranged in mistake
In the cavity wall of line chamber, the quiet collet was the inner wall of line chamber.
It is preferred that the thread clamping mechanism ontology includes pedestal and top cover, pedestal is equipped with for cable to be put into the line excessively
The unwrapping wire mouth of chamber, top cover are detachably connected with pedestal.
The beneficial effects of the invention are as follows：1. it is rotatably connected anti-skidding pressing plate by the front end in bolt, bolt and anti-sliding pressure
The surface that plate fits be respectively equipped with can intermeshing first non-return helical teeth and the second non-return helical teeth, the first non-return helical teeth court
Tilted to contrary direction is screwed with bolt, the direction of the second non-return helical teeth with the direction of the first non-return helical teeth on the contrary, from
And the relatively anti-skidding pressing plate counter-rotating of bolt is limited, in use, positive screwing bolts, bolt press cable with anti-skidding pressing plate,
Positive screwing bolts are then proceeded to, the relatively anti-skidding pressing plate of bolt rotates forward and Anti-slip regulation pressing plate holds out against cable in wire holding machine
On the quiet collet of structure ontology, the opposite cable counter-rotating of anti-skidding pressing plate is limited since anti-skidding pressing plate front is equipped with anti-skid structure,
By engaging for the second non-return helical teeth and the first non-return helical teeth, and then prevent bolt from relatively anti-skidding pressing plate counter-rotating, thus
Even if guarantee be bolted the time compared with long and grease is more, high-frequency vibration in the environment of, bolt will not all loosen；2. being arranged
Fracture and two bolt heads can according to need the maximum receiving torque for being pre-designed fracture, to make to screw locking spiral shell
When bolt assembly, it is broken in the maximum receiving torque for reaching fracture and is detached from the first bolt head, it will not be because screwing torque
It is excessive and damage cable or thread clamping mechanism by pressure, and can pass through the second bolt head counter force when needing demounting bolt
Bolt is unscrewed, avoids bolt that from can not dismantling and causes maintenance inconvenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of locking thread clamping mechanism in embodiment 1；
Fig. 2 is the decomposition texture schematic diagram of locking thread clamping mechanism in embodiment 1；
Fig. 3 is the decomposition texture schematic diagram of locking thread clamping mechanism in embodiment 2；
Fig. 4 is the decomposition texture schematic diagram of locking thread clamping mechanism in embodiment 3；
Fig. 5 is the decomposition texture schematic diagram of locking thread clamping mechanism in embodiment 4.
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, pedestal 24, unwrapping wire mouth 241, slot 242, top cover 25, raised line 251.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that say that the specific embodiment of description is used only for explaining the present invention herein, and
It is not used in the restriction present invention.
Embodiment 1：
As shown in Figs. 1-2, a kind of locking thread clamping mechanism, including subassembly of lock bolt 1 and thread clamping mechanism ontology 2, locking spiral shell
Bolt assembly 1 includes bolt 11 and anti-skidding pressing plate 12, and the back side of anti-skidding pressing plate 12 and the front end of bolt 11 are rotatably connected, and
The surface that bolt 11 and anti-skidding pressing plate 12 fit is respectively equipped with the non-return helical teeth circle of opposite first and the second non-return helical teeth circle, the
Respectively by the several first non-return helical teeth 111 and several second non-return helical teeth 121 on one non-return helical teeth circle and the second non-return helical teeth circle
Composition, the first non-return helical teeth 111 and the second non-return helical teeth 121 can be intermeshed, the first non-return helical teeth 111 towards with bolt 11
Screw contrary direction inclination, the direction of the second non-return helical teeth 121 with the direction of the first non-return helical teeth 111 on the contrary, to
Relatively anti-skidding 12 counter-rotating of pressing plate of bolt 11 is limited, the front of anti-skidding pressing plate 12 is the top splenium for pressing cable, press
It is opposite by press cable counter-rotating to limit anti-skidding pressing plate 12 that portion is equipped with anti-skid structure；Thread clamping mechanism ontology 2, which is equipped with, to be used
In the mistake line chamber 21 that current supply cable passes through, the cavity wall for crossing line chamber 21 is equipped with threaded hole 22, the cavity wall conduct opposite with threaded hole 22
Quiet collet 23, bolt 11 are threadedly coupled with threaded hole 22, and the top splenium of subassembly of lock bolt 1 towards quiet collet 23 to
Clamping cable can be cooperated with quiet collet 23.
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 is：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.
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 3, 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.
Embodiment 3：
On the basis of 1 technical solution of embodiment, bolt is further improved：
As shown in figure 4, 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.
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.
Embodiment 4：
On the basis of 1 technical solution of embodiment, thread clamping mechanism ontology 2 is further improved：
As shown in figure 5, thread clamping mechanism ontology 2 includes pedestal 24 and top cover 25, pedestal 24 is equipped with for cable to be put into
The unwrapping wire mouth 241 of line chamber 21 is crossed, top cover 25 is detachably connected with pedestal 24, and 25 two sides of top cover are equipped with raised line 251, pedestal 24
241 two sides of unwrapping wire mouth be equipped with corresponding slot 242, the raised line 251 of top cover 25 can from 242 mouthfuls of slot insertions of pedestal 24 and
Frame is on pedestal 24.
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 invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (9)
1. a kind of locking thread clamping mechanism, which is characterized in that including thread clamping mechanism ontology and subassembly of lock bolt, 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 bolt and anti-skidding pressing plate
The surface to fit be respectively equipped with can intermeshing first non-return helical teeth and the second non-return helical teeth, the first non-return helical teeth direction
Contrary direction is screwed with bolt to tilt, the direction of the second non-return helical teeth with the direction of the first non-return helical teeth on the contrary, to
The relatively anti-skidding pressing plate counter-rotating of bolt is limited, the front of anti-skidding pressing plate is the top splenium for pressing cable, the top splenium
It is opposite by press cable counter-rotating to limit anti-skidding pressing plate to be equipped with anti-skid structure, and thread clamping mechanism ontology is equipped with and is oppositely arranged
Quiet collet and threaded hole, bolt be threadedly coupled with threaded hole, and the top splenium of subassembly of lock bolt towards quiet collet from
And clamping cable can be cooperated with quiet collet.
2. locking thread clamping mechanism 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 cable counter-rotating.
3. locking thread clamping mechanism 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 cable so as to limiting anti-skidding pressing plate phase
To electric cable rotary.
4. locking thread clamping mechanism 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. locking thread clamping mechanism 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 is：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. locking thread clamping mechanism 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. locking thread clamping mechanism 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.
8. -7 any locking thread clamping mechanism according to claim 1, which is characterized in that the thread clamping mechanism ontology, which is equipped with, to be used
In the mistake line chamber that current supply cable passes through, the threaded hole was arranged in the cavity wall of line chamber, and the quiet collet was the inner wall of line chamber.
9. locking thread clamping mechanism according to claim 8, which is characterized in that the thread clamping mechanism ontology includes pedestal and top
Lid, pedestal are equipped with for cable to be put into the unwrapping wire mouth for crossing line chamber, and top cover is detachably connected with pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972218.1A CN108847537A (en) | 2018-08-23 | 2018-08-23 | A kind of locking thread clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972218.1A CN108847537A (en) | 2018-08-23 | 2018-08-23 | A kind of locking thread clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108847537A true CN108847537A (en) | 2018-11-20 |
Family
ID=64189398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810972218.1A Pending CN108847537A (en) | 2018-08-23 | 2018-08-23 | A kind of locking thread clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108847537A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755773A (en) * | 2018-11-30 | 2019-05-14 | 广州勇艺邦电子科技有限公司 | A kind of conducting wire electric connector |
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