CN203348283U - Locking nut and locking structure using same - Google Patents
Locking nut and locking structure using same Download PDFInfo
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- CN203348283U CN203348283U CN 201320256247 CN201320256247U CN203348283U CN 203348283 U CN203348283 U CN 203348283U CN 201320256247 CN201320256247 CN 201320256247 CN 201320256247 U CN201320256247 U CN 201320256247U CN 203348283 U CN203348283 U CN 203348283U
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- nut
- hole
- pin
- pedestal
- locking nut
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Abstract
The utility model discloses a locking nut and a locking structure using the locking nut. The locking nut comprises a nut body, threads are arranged on the inner side face of the nut body, the nut body is of a cylinder structure, two holes are formed in the nut body, the connecting line of the centers of the holes passes through the central axis of the nut body and is perpendicular to the central axis of the nut body, and two movable pins are arranged inside each hole. A locking device comprises a base, a piece to be fastened, the locking nut and a bolt, the locking nut is arranged in a hole of the base, and the hole of the base is provided with two grooves matched with the pins corresponding to the depth of the locking nut. When the locking nut is inserted into the hole, the pins are pushed to eject the outer end of the locking nut into the grooves, the pins connect the locking nut and the base as a whole at the same time, and the locking nut is made not to be prone to loosening or losing efficiency. The locking nut and the locking structure can effectively the problems that when equipment is arranged on a large-size stone base, a nut can be pulled out through large external force action.
Description
Technical field
The utility model relates to for fixing various device on marble, granite or other large scale pedestals and the locking device used, and particularly relates to a kind of locking nut and applies the locking mechanism of this locking nut.
Background technique
Nut is again nut, is and the part that is used for playing the role of fastening together with bolt or screw rod are screwed in.Nut of a great variety, nut, according to the difference of material, is divided into several large types such as carbon steel nut, high tensile steel nut, stainless steel nut, plastic-steel nut.Bolt is the cylindrical threaded fastening piece of adapted nut.Generally, because nut and bolt all adopt high-intensity material, so being threaded between the two is generally reliable.By the cooperation of bolts and nuts, can be fastening by be tightened.In the past, known situation is: be arranged on the equipment on large-sized pedestal, because the length of screw bolt and nut is less, can not run through pedestal, now, the frictional force that bolt mainly relies on nut to provide is carried out fastening fastener, under larger External Force Acting, if pedestal can not be connected as a single entity effectively with nut, fastening just easily inefficacy, loosening, even be pulled out.
In prior art, be arranged on surveying instrument on marble pedestal, the normal use is threaded.Because the marble material is a kind of rigid, hardness is high, if adopt setscrew and so on, crackle easily occurs, affects installation precision.Conventional method is, on marble pedestal, holes, and makes internal thread in the hole in, and nut is made outside thread, then nut is screwed in hole, finally by bolt through to be tightened screw-in nut inner thread and tighten, realize fastening.Realize being connected between marble pedestal and nut by the snap-in force between the outside thread of the internal thread in the marble pedestal hole and nut.Generally, injecting sealer in also will the gap between marble pedestal and nut further reinforces.But the screw thread on marble pedestal is compared the screw thread between bolts and nuts, due to material, its intensity is lower, and under the frequent effect of external force, its screw thread easily damages, and the frictional force that can provide is limited.Because sealer itself is exactly elastomeric objects, the frictional force provided is also limited.Also have to adopt and place small ball to increase the method for frictional force in the hole of pedestal, but this method, between pedestal and nut, still rely in essence frictional force to realize being connected, therefore under larger pulling force effect, easily make bolt integral body extract from pedestal or shift in position, have a strong impact on the precision of measurement.
Summary of the invention
The purpose of this utility model is to provide the locking mechanism of a kind of locking nut and this locking nut of application, adopts this locking mechanism can be by bolt by to be tightened stone matter pedestal that effectively is fixed on large-size.
The technological scheme that the utility model locking nut adopts is as follows:
A kind of locking nut, comprise nut body, and the inner side mounting thread of nut body is characterized in that:
Nut body is the circle ring column structure, nut body is provided with two holes, the medial axis of the line of the centre of form in described hole by nut body and perpendicular to the medial axis of nut body, respectively be provided with a pin that can move along described hole horizontal in each hole, the length of described pin is greater than the thickness of nut body.
Further, also be connected with a spring between described pin, pin and spring horizontal are greater than the nut body external diameter to total length, and without external pressure the time, under the elastic force effect of spring, the part-structure of pin stretches out the outside in the hole on nut body.
Further, the distance of the bottom of the pitch-row nut body on described nut body is not less than the diameter in described hole.The bottom of the pitch-row nut body on nut body is provided with certain thickness, can guarantee the withdrawal resistance of nut.
Further, the outer side surface of described pin is the middle cambered surface of protruding.The outer side surface of described pin also can be for the closer to Yue Zhai plane, nut body bottom or cambered surface.Adopt this structure can facilitate the installation of locking mechanism.
The technological scheme that the utility model locking mechanism adopts is: a kind of locking mechanism, comprise pedestal, to be tightened, nut, bolt, it is characterized in that: described nut be in above-mentioned locking nut not with the locking nut of spring, the hole of the described pedestal degree of depth corresponding with the pin of locking nut is provided with two grooves that adapt with the pin outer end; When locking nut is installed to the hole of pedestal, described pin enters in above-mentioned groove its outer end under manually stirring by leverage tool, locking nut is locked in the hole of pedestal; Be provided with location and the sealer of reinforcement effect in the hole of described pedestal and the space between locking nut, by sealer, pin entered in the groove in hole that groove part is fixed on pedestal.
The installation method of this locking mechanism comprises the steps:
Step 1: on pedestal with milling cutter open hole adapted with locking nut shape, size the ， hole with the corresponding degree of depth of pin locking nut on output two grooves that adapt with pin with L shaped milling cutter;
Step 2: locking nut is inserted in the hole, when pin arrives the degree of depth of groove, aim at the hole of locking nut and the position of groove, adopt lever to stir pin from the circle ring column inside configuration of locking nut one end of pin is headed in groove;
Step 3: inject sealer in the hole of pedestal and the space between locking nut, by sealer, pin is entered in the space of partial fixing between the hole of nut and pedestal of groove, thereby realize fixing between the hole of nut and pedestal;
Step 4: after gelling to be sealed is solid, bolt passed to fastening piece and is screwed in locking nut, realizing treating the fastening of fastening piece.
Under the general technical design that adopts two pin fixing and locking nuts, described locking mechanism can also be by the following technical solutions: a kind of locking mechanism, comprise pedestal, to be tightened, nut, bolt, it is characterized in that: described nut be in above-mentioned locking nut with the locking nut of spring, the hole of the described pedestal degree of depth corresponding with the pin of locking nut is provided with two grooves that adapt with pin; When locking nut is installed to the hole of pedestal, described pin makes its outer end enter in above-mentioned groove under the effect of spring, locking nut is locked in the hole of pedestal.
Further, be provided with the sealer of location and reinforcement effect in the hole of described pedestal and the space between locking nut.
Further, in above-mentioned locking mechanism, the pedestal of the pedestal that described pedestal is the marble material or granite material.
Now, the installation method of locking mechanism comprises the steps:
Step 1: on pedestal with milling cutter open hole adapted with locking nut shape, size the ， hole with the corresponding degree of depth of pin locking nut on output two grooves that adapt with pin with L shaped milling cutter;
Step 2: locking nut is inserted in the hole, and when pin arrives the degree of depth of groove, by rotating nut, under the effect of spring, pin is headed in groove, and now pin is connected as a single entity locking nut and pedestal;
Step 3: bolt, through fastening piece being screwed in locking nut, is realized to be tightened fastening.
The beneficial effects of the utility model are:
Owing in the hole of pedestal, being provided with groove, when pin is headed in groove, locking nut can not be rotated.Easy loosening bolt compared to existing technology, this locking device is not easy to occur loosening problem.While on the high-precision base of especially making in the material of marble, granite fragility, precision type instrument being installed, installation precision is higher.
This device blocks locking nut by pin in the vertical direction, and locking nut and pedestal are connected as a single entity, and locking nut can not move in vertical direction.Only rely on the frictional force between pedestal and nut compared to existing technology, this device can provide larger snap-in force.Therefore, when can solving on large-sized pedestal erection unit effectively, extracts in this device the problem of nut under larger External Force Acting, especially suitable to the pedestal material that is the fragility such as marble, granite, concrete, the size of clamping bolt and mounting hole is large, bear the situation that external force is larger.
Because this device can provide larger vertically to withdrawal resistance compared to existing technology, therefore, the length of locking nut is shorter, outside does not need to arrange screw thread (thereby screw thread is set in prior art, being mainly raising surface roughness raising frictional force), compared to existing technology, save material, difficulty of processing also reduces greatly.Because sealer mainly plays the role of positioning, only bear pulling force seldom, so the range of choice of sealer is larger, cost is lower.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model locking mechanism;
Fig. 2 is the stereogram of the utility model locking nut;
Fig. 3 is the structural representation of a preferred embodiment of the utility model locking mechanism;
Fig. 4 is the structural representation of a preferred embodiment of the utility model locking mechanism;
Fig. 5 is the structural representation of a preferred embodiment of the utility model locking mechanism;
Fig. 6 is the structural representation of a preferred embodiment of the utility model locking mechanism;
Fig. 7 is the structural representation of a preferred embodiment of the utility model locking mechanism;
Fig. 8 is the structural representation of a preferred embodiment of the utility model locking mechanism;
Fig. 9 is the structural representation of a preferred embodiment of the utility model locking mechanism.
Wherein: the 1-nut body; The 2-bolt; 3-pin one; 4-pin two; The 5-spring; The 6-pedestal; To be tightened of 7-; Space between 8-hole and locking nut; The 9-groove.
Embodiment
Below, the utility model is described further in conjunction with the embodiments.
As shown in Figure 1 and Figure 2, a kind of locking nut, comprise nut body 1, and the inner side mounting thread of nut body 1 is characterized in that:
As shown in Figure 1, a kind of locking mechanism, comprise pedestal 6, to be tightened 7, nut, bolt 2, and described nut is above-mentioned locking nut, described locking nut is arranged in the hole of pedestal 6, and the described hole degree of depth corresponding with the pin of locking nut is provided with two grooves 9 that adapt with pin.The interior injection in the hole of described pedestal 6 and the space between locking nut 8 has had the sealer of reinforcement effect.The bottom distance of the pitch-row nut body 1 on described nut body 1 is greater than the diameter in the hole on nut body 1.Shown in pedestal 6 be marble pedestal.
During installation, first on pedestal 6, open hole adapted with locking nut shape, size the ， hole with the corresponding degree of depth of pin locking nut on output two grooves 9 that adapt with pin with L shaped milling cutter.Groove shapes now is exactly two holes.Locking nut is inserted in the hole of pedestal.At nut, move downward in process, due to stopping of the hole wall in the hole on pedestal, the spring between two pins is compressed, and now pin is limited in the hole of locking nut.When pin arrives the degree of depth of groove, aim at the hole of locking nut and the position of groove, by the rotational lock nut, under the effect of spring, pin is headed in groove, and now pin is connected as a single entity locking nut and pedestal.Inject sealer in the hole of pedestal and the space between locking nut.Bolt, through to be tightened and be screwed in locking nut, is realized to be tightened fastening.
Because pin also adopts metal material, make, now the withdrawal resistance of nut is exactly the pin maximum shear stress, and the sealer of available technology adopting or the frictional force that nut is threaded and provides with marble pedestal are provided this withdrawal resistance.Only have pin cut off or bolt pulled off this locking mechanism just can be destroyed.
The essence of the technological scheme of the present embodiment is, two grooves that adapt with pin are set in the hole on pedestal, when nut is installed in the hole of pedestal, utilizes the elastic force of spring that the outer end of two pins is shifted onto in groove, thereby realize fixing between the hole of nut and pedestal.This means of fixation utilization be the snap-in force (equaling the shearing resistance of pin) between pin and groove, therefore adopt between the hole of nut and pedestal in compared to existing technology to be threaded or sealer is provided by the frictional force provided, the withdrawal resistance of the Vertical direction that this locking mechanism provides is larger.The part that this scheme can enter groove by pin with sealer further is fixed in the space between the hole of nut and pedestal, also can not inject sealer, and single thrust of spring that relies on is fixed on the outer end of pin in groove.Certainly, inject the sealer better effects if.
This enforcement and unique different being of embodiment 1, as shown in Figure 3, the outer side surface of the pin of locking nut is the middle cambered surface of protruding.
This enforcement and unique different being of embodiment 1, as shown in Figure 4, the outer side surface of the pin of locking nut is the closer to the narrower cambered surface in nut body 1 bottom.
Embodiment 4.
This enforcement and unique different being of embodiment 1, as shown in Figure 5, the outer side surface of the pin of locking nut is the closer to nut body 1 Yue Zhai plane, bottom.
Embodiment 5.This enforcement and unique different being of embodiment 1, as shown in Figure 6, do not comprise spring in the structure of locking nut.During installation, first on pedestal, open on the corresponding degree of depth of the pin of a ， hole, hole adapted with locking nut shape, size and locking nut and output two grooves that adapt with pin with L shaped milling cutter.Locking nut is inserted in the hole, when pin arrives the degree of depth of groove, aim at the hole of locking nut and the position of groove, adopt lever to stir pin from the circle ring column inside configuration, the outer end of pin is headed in groove, with sealer, pin is entered again in the space of partial fixing between the hole of nut and pedestal of groove, thereby realize fixing between the hole of nut and pedestal.Now pin is connected as a single entity locking nut and pedestal.Bolt, through to be tightened and be screwed in locking nut, is realized to be tightened fastening.The essence of the technical program is to utilize sealer the part of pin to be fixed in the groove in hole of pedestal, another part of pin is stayed in the hole of nut body.
This enforcement and unique different being of embodiment 5, as shown in Figure 7, the outer side surface of the pin of locking nut is the middle cambered surface of protruding.
Embodiment 7.
This enforcement and unique different being of embodiment 5, as shown in Figure 8, the outer side surface of the pin of locking nut is the closer to the narrower cambered surface in nut body 1 bottom.
This enforcement and unique different being of embodiment 5, as shown in Figure 9, the outer side surface of the pin of locking nut is the closer to nut body 1 Yue Zhai plane, bottom.
Claims (8)
1. a locking nut, comprise nut body, the inner side mounting thread of nut body, it is characterized in that: nut body is the circle ring column structure, nut body is provided with two holes, the medial axis of the line of the centre of form in described hole by nut body and perpendicular to the medial axis of nut body, respectively be provided with a pin that can move along described hole horizontal in each hole, the length of described pin is greater than the thickness of nut body.
2. a kind of locking nut as claimed in claim 1, it is characterized in that: also be connected with a spring between described pin, pin and spring horizontal are greater than the nut body external diameter to total length, without external pressure the time, under the elastic force effect of spring, the part-structure of pin stretches out the outside in the hole on nut body.
3. a kind of locking nut as claimed in claim 2 is characterized in that: the distance of the bottom of the pitch-row nut body on described nut body is not less than the diameter in described hole.
4. a kind of locking nut as claimed in claim 2 is characterized in that: the outer side surface of described pin is for the middle cambered surface of protruding or for the closer to Yue Zhai plane, nut body bottom or be the cambered surface narrower the closer to the nut body bottom.
5. an application rights requires the locking mechanism of 1 locking nut, comprise pedestal, to be tightened, nut, bolt, it is characterized in that: described nut is locking nut claimed in claim 1, and the hole of the described pedestal degree of depth corresponding with the pin of locking nut is provided with two grooves that adapt with the pin outer end; When locking nut is installed to the hole of pedestal, described pin enters in above-mentioned groove its outer end under manually stirring by leverage tool, locking nut is locked in the hole of pedestal; Be provided with location and the sealer of reinforcement effect in the hole of described pedestal and the space between locking nut, by sealer, pin entered in the groove in hole that groove part is fixed on pedestal.
6. an application rights requires the locking mechanism of 1 locking nut, comprises pedestal, to be tightened, nut, bolt, and it is characterized in that: the hole of the described pedestal degree of depth corresponding with the pin of locking nut is provided with two grooves that adapt with pin; When locking nut is installed to the hole of pedestal, described pin makes its outer end enter in above-mentioned groove under the effect of spring, locking nut is locked in the hole of pedestal.
7. a kind of locking mechanism as claimed in claim 6, is characterized in that: the sealer that has been provided with location and reinforcement effect in the hole of described pedestal and the space between locking nut.
8. the described a kind of locking mechanism of one claim as any as claim 5-7, is characterized in that: the pedestal of the pedestal that described pedestal is the marble material or granite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320256247 CN203348283U (en) | 2013-05-13 | 2013-05-13 | Locking nut and locking structure using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320256247 CN203348283U (en) | 2013-05-13 | 2013-05-13 | Locking nut and locking structure using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348283U true CN203348283U (en) | 2013-12-18 |
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ID=49748190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320256247 Expired - Fee Related CN203348283U (en) | 2013-05-13 | 2013-05-13 | Locking nut and locking structure using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348283U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267057A (en) * | 2013-05-13 | 2013-08-28 | 山东高唐智泰金马量仪科技有限公司 | Lock nut, lock structure using lock nut and method for mounting lock structure |
| CN108167296A (en) * | 2017-12-28 | 2018-06-15 | 宁波群力紧固件制造有限公司 | A kind of anti-derotation screw |
| CN108730164A (en) * | 2018-07-11 | 2018-11-02 | 金辉 | Device against frost crack of cylinder cap of air pump |
-
2013
- 2013-05-13 CN CN 201320256247 patent/CN203348283U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267057A (en) * | 2013-05-13 | 2013-08-28 | 山东高唐智泰金马量仪科技有限公司 | Lock nut, lock structure using lock nut and method for mounting lock structure |
| CN103267057B (en) * | 2013-05-13 | 2015-06-03 | 山东高唐智泰金马量仪科技有限公司 | Lock nut, lock structure using lock nut and method for mounting lock structure |
| CN108167296A (en) * | 2017-12-28 | 2018-06-15 | 宁波群力紧固件制造有限公司 | A kind of anti-derotation screw |
| CN108730164A (en) * | 2018-07-11 | 2018-11-02 | 金辉 | Device against frost crack of cylinder cap of air pump |
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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: 20131218 Termination date: 20160513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |