CN203804087U - Closing device of self-locking nut - Google Patents
Closing device of self-locking nut Download PDFInfo
- Publication number
- CN203804087U CN203804087U CN201420128329.1U CN201420128329U CN203804087U CN 203804087 U CN203804087 U CN 203804087U CN 201420128329 U CN201420128329 U CN 201420128329U CN 203804087 U CN203804087 U CN 203804087U
- Authority
- CN
- China
- Prior art keywords
- self
- pressure head
- locking nut
- round base
- bevel gear
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a closing device of a self-locking nut. The closing device of the self-locking unit is characterized by comprising a circular base and three pressing heads, wherein the three pressing heads are structured the same and are used for closing the self-locking nut that is clamped between the pressing heads during collecting; the pressing heads are uniformly arranged at intervals of 120 degrees in the circumference of the circular base; a driving mechanism that is in driving connection with the pressing heads and drives the pressing heads to synchronously radially move is arranged in the circular base. According to the closing device of the self-locking nut, the three pressing heads capable of synchronously moving are arranged and can be adjusted to be synchronously moved to close the self-locking nuts of different specifications; the three pressing heads capable of synchronously moving also bring the automatic centering effect, and thus uniform stressing of the self-locking nuts after being clamped can be ensured; in addition, the closing device of the self-locking nut has the characteristics of being simple in structure, easy to be operated, convenient to use, stable in quality, low in cost, etc.
Description
[technical field]
The utility model is created and is belonged to machine components manufacture field, especially relates to a kind of self-locking nut-crimping device.
[background technology]
Self-locking nut is as a kind of conventional securing member, and major function is exactly locking, antivibration.The self-locking closing in nut using in the industries such as Aero-Space, its closing in be formerly routinely technique make after nut, adopt the method for extruding to push the closing in position of this nut, the screw at position of making to close up radially produces plastic deformation, and the screw radial dimension at the position that makes to close up is less than the radial dimension of the screw rod being attached thereto, when thereby the screw rod that makes to be connected with this nut enters into the distortion screw of this nut, the object that the radial pressure producing because of the strain of screw makes nut closely link together and reach locking with screw rod.The crimp mode that self-locking nut crimping adopts generally includes two large classes: face contact is closed up and contacted closing in point.For face contact, close up, it comprises oval closing in and rectangle closing in, its principle be by frock by the end of thread of nut be squeezed into ellipse, rectangle closes up.For a contact, close up, it comprises that two point form closes up and bikini closes up, and its principle is by the end of thread crimp of nut by pressure head.Existing closing device typically uses two identical closing in pieces, cuts out therebetween after closing in die cavity, by two guide pillars on closing in piece, leads, and the end of then nut being waited to close up is put in die cavity, when two closing in pieces close up, nut is closed up.This mode exists many shortcomings, and it can only be for rectangle and oval closing in, nut that cannot compatible multiple different size size, thus limited its scope of application.
[utility model content]
The utility model is intended to address the above problem, and provide a kind of can be for the closing in of plurality of specifications self-locking nut, and solve the self-locking nut-crimping device of the weak point of existing closing in mode.
For achieving the above object, the utility model provides a kind of self-locking nut-crimping device, it is characterized in that, this closing device comprises a round base and the identical pressure head self-locking nut being clipped in wherein being closed up when drawing in of three structures, described pressure head interval degree is located on the circumference of round base equably, in described round base, be provided with and drive described pressure head synchronously to carry out the driving mechanism of radial motion, described driving mechanism drives and is connected with described pressure head.
Described driving mechanism comprises intermeshing the first bevel gear and the second bevel gear, on a side surface relative with its helical teeth for described the first bevel gear, be provided with the first thread groove, in the uper side surface of the described round base position corresponding with described pressure head, be provided with the connecting hole matching with this pressure head size.
Described pressure head is blocks, and its downside surface is provided with the second thread groove that the first thread groove with described the first bevel gear matches, and described pressure head is matched and is connected with the first bevel gear driving with the first thread groove by the second thread groove.
Described pressure head is strip blocks, and it is provided with step, and described step is extended internally abreast and bent downwards and form by sidewall and the pressure head upper surface of pressure head.
Described pressure head is sloped inwardly respectively by its sidewall and forms inclined-plane towards the bare terminal end in the round base center of circle, between described inclined-plane, is provided with cambered surface.
The center of circle of described cambered surface overlaps with the center of circle of described round base.
Described connecting hole is the scalariform connecting hole that shape and indenter shape match.
Useful contribution of the present utility model is, it efficiently solves the problem that self-locking nut that existing closing device can not compatible multiple different size closes up.The utility model is by three pressure heads that can be synchronized with the movement are set, thereby can be by regulating pressure head be synchronized with the movement and the self-locking nut of multiple different size is closed up.Due to the utility model setting be three pressure heads that can be synchronized with the movement, so it has the effect in automatic alignment, can guarantee the uniform stressed after self-locking nut clamps.In addition, the utility model also has the features such as simple in structure, easy operating, easy to use, steady quality, cost be low.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the utility model round base.
Fig. 2 is structural representation of the present utility model.
Wherein, round base 10, connecting hole 11, pressure head 20, step 21, inclined-plane 22, cambered surface 23.
[specific embodiment]
The following example is to further explanation of the present utility model and supplements, the utility model is not constituted any limitation.
As shown in Figure 1 and Figure 2, self-locking nut-crimping device of the present utility model, comprise a round base 10, three pressure heads 20, in round base 10, be provided with drive ram 20 and synchronously carry out the driving mechanism of radial motion, by this driving mechanism, can close up by 20 pairs of nuts that are clipped in pressure head 20 of drive ram, thereby realize 3 closing ins.Because pressure head 20 is adjustable, therefore can close up to the nut of different sizes, and then reach the purpose of this utility model.
Specifically, as shown in Figure 1, described round base 10 is circular blocks, is provided with driving mechanism in it.Described driving mechanism consists of intermeshing the first bevel gear and the second bevel gear.Described the second bevel gear is used for driving the first bevel gear motion, and described the first bevel gear is used for being with dynamic head 20 motions.On the sidewall of described round base 10, be provided with axis hole, this axis hole position is corresponding with the axle head of the second bevel gear, for connecting hand spanner, by hand spanner, drives the second bevel gear to rotate, and then 20 motions of band dynamic head.On a side surface relative with its helical teeth for described the first bevel gear, be provided with the first thread groove.
Described pressure head 20 is provided with three altogether, and its interval 120 degree are located on the circumference upper surface of round base 10 equably.Described pressure head 20 is strip blocks, and it is provided with step 21.Described step 21 is extended internally abreast and is bent downwards and form by sidewall and pressure head 20 upper surfaces of pressure head 20.On round base 10, be provided with the scalariform connecting hole 11 matching with this pressure head 20 shapes, thereby make described pressure head 20 just in time assemble with this scalariform connecting hole 11 in, the downside surface of pressure head 20 is stretched in round base 10 and be connected with driving mechanism, also be convenient to limiting displacement simultaneously, make it radially moving along round base 10.On the downside surface of described pressure head 20, be provided with the second thread groove, this second thread groove and the first thread groove match.Described pressure head 20 is matched and is connected with the first bevel gear driving with the first thread groove by this second thread groove.While rotating under the drive of the second bevel gear at spanner, the first bevel gear forward or the upset being engaged with.Because the upper surface of the first bevel gear is provided with the first thread groove, it belongs to a kind of of plane teeth, therefore can be with dynamic head 20 radially moving along round base 10.
For ease of nut is closed up, the bare terminal end of described pressure head 20, towards the one end in round base 10 centers of circle, its sidewall slopes inwardly respectively and forms inclined-plane 22, between described inclined-plane 22, is provided with cambered surface 23.Described inclined-plane 22 is 30～60 degree angles with pressure head 20 sidewall slope, and in the present embodiment, described inclined-plane 22 is miter angle with pressure head 20 sidewall slope.The center of circle of the center of circle of described cambered surface 23 and described round base 10 coincides.When pressure head 20 carries out radial motion towards the center of circle of round base 10 under the drive of the first bevel gear, described cambered surface 23 contacts with needing the nut closing up, by hand spanner, make pressure head 20 binding nuts, and constantly push nut by the bare terminal end of pressure head 20, to nut, exert pressure, make the screw at nut crimping position radially produce plastic deformation, the screw radial dimension at the position that makes to close up is less than the radial dimension of the screw rod being attached thereto, thereby realizes closing in object.
By this, the utility model, by three pressure heads that can synchronously move radially 20 and the synchronization-moving driving mechanism of drive ram 20 are set, make pressure head 20 to push closing in to the nut of different size size, thereby realizes the purpose of this utility model.And due to three pressure heads, 20 interval 120 degree, during its synchronizing moving, have good centering effect, therefore, extruding can well guarantee while closing up that nut is stressed evenly, thereby guarantees the stability of product quality.Self-locking nut-crimping device of the present utility model, simple to operate, only need just can realize the clamping of nut and loosen by hand spanner, therefore, easy to implement, and be beneficial to cost-saving.
Although the utility model is disclosed by above embodiment, but scope of the present utility model is not limited to this, do not departing under the condition of the utility model design, the similar or equivalent element that above each member can be understood with affiliated technical field personnel is replaced.
Claims (7)
1. a self-locking nut-crimping device, it is characterized in that, this closing device comprises a round base (10) and the identical pressure head (20) self-locking nut being clipped in wherein being closed up when drawing in of three structures, described pressure head (20) interval 120 degree are located on the circumference of round base (10) equably, in described round base (10), be provided with and drive described pressure head (20) synchronously to carry out the driving mechanism of radial motion, described driving mechanism drives and is connected with described pressure head (20).
2. self-locking nut-crimping device as claimed in claim 1, it is characterized in that, described driving mechanism comprises intermeshing the first bevel gear and the second bevel gear, on a side surface relative with its helical teeth for described the first bevel gear, be provided with the first thread groove, in the uper side surface of described round base (10) position corresponding with described pressure head (20), be provided with the connecting hole (11) matching with this pressure head (20) size.
3. self-locking nut-crimping device as claimed in claim 2, it is characterized in that, described pressure head (20) is blocks, its downside surface is provided with the second thread groove that the first thread groove with described the first bevel gear matches, and described pressure head (20) is matched and is connected with the first bevel gear driving with the first thread groove by the second thread groove.
4. self-locking nut-crimping device as claimed in claim 3, it is characterized in that, described pressure head (20) is strip blocks, it is provided with step (21), and described step (21) is extended internally abreast and bent downwards and form by sidewall and pressure head (20) upper surface of pressure head (20).
5. self-locking nut-crimping device as claimed in claim 4, it is characterized in that, described pressure head (20) is sloped inwardly respectively by its sidewall and forms inclined-plane (22) towards the bare terminal end in round base (10) center of circle, is provided with cambered surface (24) between described inclined-plane (22).
6. self-locking nut-crimping device as claimed in claim 5, is characterized in that, the center of circle of described cambered surface (24) overlaps with the center of circle of described round base (10).
7. self-locking nut-crimping device as claimed in claim 6, is characterized in that, described connecting hole (11) is the scalariform connecting hole that shape and pressure head (20) shape match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128329.1U CN203804087U (en) | 2014-03-20 | 2014-03-20 | Closing device of self-locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128329.1U CN203804087U (en) | 2014-03-20 | 2014-03-20 | Closing device of self-locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203804087U true CN203804087U (en) | 2014-09-03 |
Family
ID=51442898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128329.1U Expired - Fee Related CN203804087U (en) | 2014-03-20 | 2014-03-20 | Closing device of self-locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203804087U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399840A (en) * | 2014-11-20 | 2015-03-11 | 贵州航锐航空精密零部件制造有限公司 | Self-centering general closing assembly for self-locking nut |
| CN107932049A (en) * | 2017-11-29 | 2018-04-20 | 中山市小榄企业服务有限公司 | A kind of flexible nut crimping device of aerospace |
| CN110193565A (en) * | 2019-06-28 | 2019-09-03 | 中国航空工业标准件制造有限责任公司 | Adhered umbilical point closing in block |
-
2014
- 2014-03-20 CN CN201420128329.1U patent/CN203804087U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399840A (en) * | 2014-11-20 | 2015-03-11 | 贵州航锐航空精密零部件制造有限公司 | Self-centering general closing assembly for self-locking nut |
| CN104399840B (en) * | 2014-11-20 | 2016-02-03 | 贵州航锐航空精密零部件制造有限公司 | The general seaming tool of a kind of self-locking nut self-centering |
| CN107932049A (en) * | 2017-11-29 | 2018-04-20 | 中山市小榄企业服务有限公司 | A kind of flexible nut crimping device of aerospace |
| CN107932049B (en) * | 2017-11-29 | 2020-11-10 | 深圳市泉胜精密科技有限公司 | Flexible nut closing device for aerospace |
| CN110193565A (en) * | 2019-06-28 | 2019-09-03 | 中国航空工业标准件制造有限责任公司 | Adhered umbilical point closing in block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20180320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |