CN210397403U

CN210397403U - Mounting nut

Info

Publication number: CN210397403U
Application number: CN201920704294.4U
Authority: CN
Inventors: 马清水; 詹火生; 余德正; 祝传宝
Original assignee: Xiamen Lota International Co Ltd
Current assignee: Xiamen Lota International Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-04-24
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses an installation nut, which comprises a body, an upper cover, at least two screw tooth blocks and a transmission part, wherein the upper cover is fixedly connected on the body; an inner screw thread is arranged on the inner side surface of each screw thread block, and a first inclined surface and a first straight surface are arranged on the outer side surface of each screw thread block; the transmission piece is movably connected between the body and the upper cover up and down, the top surface of the transmission piece is provided with a transmission block which can extend out of the upper cover, and the lower end of the transmission piece is provided with a second straight surface which can be matched with the first straight surface and a second inclined surface which can be matched with the first inclined surface; when the screw thread piece was locked the tight fit with the screw rod, first straight face laminating was in order to carry out radial spacing to the screw thread piece at the straight inboard of second. The locking state of the screw tooth block and the screw rod can be ensured before the screw tooth block and the screw rod are not unlocked, so that the mounting of the mounting nut and the screw rod is more reliable.

Description

Mounting nut

Technical Field

The utility model relates to a mounting nut.

Background

Kitchen tap mainly installs the position near the wall on the market at present, be restricted to kitchen stainless steel basin sunken shape simultaneously, the space of locking tap is very little below the mesa, the fixed of most tap and counter basin adopts threaded connection, according to the lock solid operation of present nut and screw rod, the nut must begin to rotate from the screw rod lower extreme, the effective length of screw rod is decided to the mesa of different thickness, has decided the length of lock nut promptly, the space under the installation mesa is fairly narrow and small, the operating room is limited, must have the problem that lock nut wastes time and energy.

Therefore, the quick-assembly and quick-disassembly nut is produced. For example, the nut can be quickly assembled and disassembled, but the upper shell of the body is only contacted with the pressing block through the first inclined surface and the second inclined surface, if the upper shell of the body slightly retreats upwards in the installation process, the pressing block moves outwards, the clamping force between the pressing block and the pipe connector 2 is lost, and the installation is unreliable or even fails. And the inclined plane is arranged in the following manner: the guide post 314 further has a second inclined surface 315 gradually expanding from the side of the through hole 311 to the outside and downward. Such inclined plane setting does not connect into the whole circle, for similar cantilever structure, and easy bending deformation leads to the compact heap to outwards remove during the atress, just loses between compact heap and pipe connector 2 and embraces the power tightly for the installation is unreliable even the installation inefficacy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mounting nut, it has overcome the not enough of existence of background art. The utility model provides an adopted technical scheme of its technical problem is:

the utility model provides a mounting nut, its and screw rod looks spiro union cooperation which characterized in that: this mounting nut includes:

a body provided with a first through hole;

the upper cover is fixedly connected to the body and provided with a second through hole corresponding to the first through hole;

the inner side surface of each screw tooth block is provided with an inner screw tooth, and the outer side surface of each screw tooth block is provided with a first inclined surface and a first straight surface;

the transmission piece is movably arranged between the body and the upper cover up and down, the top surface of the transmission piece is provided with a transmission block which can extend out of the upper cover, and the lower end of the transmission piece is provided with a second straight surface which can be matched with the first straight surface and a second inclined surface which can be matched with the first inclined surface;

the mounting nut is sleeved outside the screw rod and upwards pushed to the table board, the transmission block drives the screw tooth block to move towards the direction of the central axis of the screw tooth block through the matching of the first inclined plane and the second inclined plane until the screw tooth block and the screw rod are in locking matching, and the first straight surface is attached to the inner side of the second straight surface to radially limit the screw tooth block when the screw tooth block and the screw rod are in locking matching.

In a preferred embodiment: the transmission part is in a closed ring shape.

In a preferred embodiment: the cross section of the second inclined plane is in a closed ring shape.

In a preferred embodiment: the thread block is characterized by further comprising a C ring, wherein a C ring groove is further formed in the inner side face of each thread block, and the C ring is arranged in the C ring groove.

In a preferred embodiment: the reset elastic piece is sleeved outside the thread sleeve, and two ends of the reset elastic piece respectively prop against the transmission piece and the body.

In a preferred embodiment: the first inclined plane or the first straight plane is provided with a groove.

In a preferred embodiment: the upper cover is provided with a through hole, and the transmission block extends into the through hole and can move up and down along the through hole.

In a preferred embodiment: the upper cover is downwards provided with a buckle; the inner wall of the first through hole is provided with a clamping groove, and the upper cover and the body are fixedly connected through the clamping matching of the clamping buckle and the clamping groove.

In a preferred embodiment: a mounting seat is arranged between the mounting nut and the table-board.

Compared with the background technology, the technical scheme has the following advantages:

1. because the thread piece is equipped with first face always, the driving medium is equipped with the face that the second is straight, when thread piece and screw rod locking cooperation first face laminating of straightening is in the inboard in order to carry out radial spacing to the thread piece of second face always, the thread piece that has avoided the not hard up of driving medium to cause moves outwards and loses the power of embracing tightly with the screw rod, can guarantee the lock state of thread piece and screw rod before thread piece and screw rod unblock for this mounting nut is more reliable with the installation of screw rod.

2. The transmission piece stretches into in the through hole and can reciprocate along the through hole, and the cooperation of transmission piece and through hole can play the guide effect to reciprocating of transmission piece, prevents that the offset from appearing in the transmission piece reciprocating in-process.

3. The cross section of the second inclined plane is in a closed ring shape, so that the structural strength of the second inclined plane is better, the second inclined plane is not easy to bend and deform, and the screw tooth block is not easy to withdraw from the screw rod.

And 4, the C ring is arranged in the C ring groove, and the C ring can push each thread block to move outwards in the nut dismounting process, so that the dismounting is quicker.

5. The reset elastic piece is sleeved outside the thread sleeve, two ends of the reset elastic piece respectively abut against the transmission piece and the body, the reset elastic piece can push the first straight surface of the thread block to move downwards quickly along the second straight surface in the nut dismounting process, and the purpose of quick dismounting is achieved.

6. First inclined plane or with first straight face be equipped with the recess for the wall thickness of screw tooth piece is more even in the in-process of moulding plastics, and the size is more stable.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 shows an overall schematic view of the mounting nut.

Fig. 2 is a perspective exploded view of the nut.

Fig. 3 shows a cross-sectional view of the nut when not locked to the screw.

Fig. 4 shows a cross-sectional view of the nut and screw when locked.

Fig. 5 is a perspective exploded view of the nut and screw assembly.

Fig. 6 shows a schematic cross-sectional view of the nut and screw assembly.

Detailed Description

Referring to fig. 1-6, a preferred embodiment of a mounting nut, which includes a threaded engagement with a threaded rod 1, is shown.

The mounting nut includes a body 10, an upper cover 20, at least two screw blocks 30, and a transmission member 40.

The body 10 is provided with a first through hole 11. As shown in fig. 2 and 3, the first through hole 11 penetrates the body 10 vertically, a step surface 12 is provided in the first through hole 11, and a space above the step surface 12 forms a mounting cavity 13.

In this embodiment, as shown in fig. 3 and 4, the inner wall of the assembly cavity 13 is provided with a clamping groove 14. The number of the card slots 14 can be provided in plurality and arranged in annular intervals.

The upper cover 20 is fixedly attached to the body 10 and is provided with a second through hole 21 corresponding to the first through hole 11.

In this embodiment, the upper cover 20 is provided with a through hole 22. As shown in fig. 2, three through holes 22 are provided and arranged at intervals in a ring shape. The number of the through-holes 22 is not limited, and two or four through-holes may be provided.

In this embodiment, the upper cover 20 is provided with a downward buckle 23, and the upper cover 20 is fixedly connected with the body 10 by the buckling cooperation of the buckle 23 and the clamping groove 14. The number of the buckles 23 is the same as that of the clamping grooves 14, and the buckles correspond to the clamping grooves one by one.

An inner screw thread 31 is arranged on the inner side surface of each screw thread block 30, and a first inclined surface 32 and a first straight surface 33 which are arranged up and down are arranged on the outer side surface of each screw thread block 30.

In this embodiment, the first inclined surface 32 and the first straight surface 33 are both provided with a groove 34.

As shown in fig. 2, three screw thread blocks 30 are provided, and when the three screw thread blocks 30 form a circular ring shape, the internal screw threads of the three screw thread blocks 30 form complete annular screw threads, have normal thread diameters, and can be screwed with the screw rod 1. The number of the screw tooth blocks 30 is not limited to this, and may be two, four, or five.

The transmission member 40 is movably mounted between the body 10 and the upper cover 20, a transmission block 41 capable of extending out of the upper cover 20 is disposed on the top surface, a second straight surface 42 capable of being matched with the first straight surface 33 and a second inclined surface 43 capable of being matched with the first inclined surface 32 are disposed on the lower end, and the second straight surface 42 and the second inclined surface 43 are disposed up and down. When putting this mounting nut cover outside screw rod 1 and upwards ejecting to mesa 2, driving block 41 moves down and drives screw tooth piece 30 through the cooperation of first inclined plane 32 and second inclined plane 43 and move to its central axis direction until driving block 41 top surface and upper cover 20 top surface flush time screw tooth piece 30 and screw rod 1 are locking fit, and first straight surface 33 laminating is in order to carry out radial spacing to screw tooth piece 30 in second straight surface 42 inboard when screw tooth piece 30 and screw rod 1 locking fit. The locking state of the screw tooth block 30 and the screw rod 1 can be ensured before the screw tooth block 30 and the screw rod 1 are not unlocked, so that the mounting nut and the screw rod 1 are more convenient to mount.

In this embodiment, the transmission member 40 is a closed ring, and the transmission block 41 extends into the through hole 22 and can move up and down along the through hole 22. In this embodiment, the cross-sectional shape of the second inclined surface 43 is a closed ring shape.

In this embodiment, the mounting nut further includes a C-ring 50, a C-ring groove 35 is further disposed on an inner side surface of each thread block 30, and the C-ring 50 is disposed in the C-ring groove 35.

In this embodiment, the mounting nut further includes a reset elastic member 60, which is sleeved outside the screw block 30 and two ends of which respectively abut against the transmission member 40 and the body 10.

The mounting process of the mounting nut is as follows:

as shown in fig. 5, the screw 1 is installed on the table top 2, and the installation base 3 is also arranged under the table top;

firstly, a mounting nut corresponds to the screw rod 1, at the moment, gaps are formed among the inner threads of the three thread blocks 30, the mounting nut can rapidly penetrate through the screw rod 1 until the transmission block 41 is abutted to the bottom surface of the mounting seat 3, at the moment, the mounting nut is continuously pressed upwards, the three thread blocks 30 move towards the center direction of the mounting nut under the matching action of the first inclined surface 32 and the second inclined surface 43, so that the three inner threads are restored to the normal thread diameter, and the mounting nut is rotated to enable the three thread blocks 30 to be tightly held with the screw rod 1; then, the transmission member 40 will continue to move downwards until the top end face of the transmission block 41 is flush with the top end face of the upper cover 20, the first straight face 33 is attached to the inner side of the second straight face 42 to radially limit the screw block 30, at this time, the screw block 30 is in locking fit with the screw rod 1, as shown in fig. 6, the installation of the installation nut is completed, and at this time, the C-ring 50 and the elastic return member 60 are both in an energy storage state.

When the mounting nut needs to be disassembled, the mounting nut is rotated, the thread block 30 moves downwards under the action of the reset elastic piece 60 so that the first straight surface 33 is separated from the second straight surface 42, and the first inclined surface 32 is restored to be in contact with the second inclined surface 43; under the action of the C-ring 50, the thread blocks 30 will move outwards to enlarge the diameters of the inner threads of the three thread blocks 30, and the mounting nut can be taken off from the screw rod 1 until the diameters of the inner threads of the three thread blocks 30 are larger than the outer diameter of the screw rod 1, so as to realize quick detachment.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. The utility model provides a mounting nut, its and screw rod looks spiro union cooperation which characterized in that: this mounting nut includes:

a body provided with a first through hole;

a transmission part movably arranged between the body and the upper cover, a transmission block capable of extending out of the upper cover is arranged on the top surface of the transmission part, and a second straight part capable of being matched with the first straight part is arranged at the lower end of the transmission part

The surface and a second inclined surface matched with the first inclined surface;

when putting this mounting nut cover outside the screw rod and upwards pushing up and supporting to the mesa, the transmission piece moves down to drive the screw tooth piece through the cooperation on first inclined plane and second inclined plane and remove to its central axis direction, until screw tooth piece and screw rod be the locking cooperation, and during screw tooth piece and screw rod locking cooperation, first straight laminating is in order to carry out radial spacing to the screw tooth piece at the straight face inboard of second.

2. A mounting nut as defined in claim 1, wherein: the transmission part is of a closed annular structure.

3. A mounting nut as defined in claim 2, wherein: the cross section of the second inclined plane is in a closed ring shape.

4. A mounting nut as defined in claim 1, wherein: the thread block is characterized by further comprising a C ring, wherein a C ring groove is further formed in the inner side face of each thread block, and the C ring is arranged in the C ring groove.

5. A mounting nut as defined in claim 1, wherein: the reset elastic piece is sleeved outside the thread sleeve, and two ends of the reset elastic piece respectively prop against the transmission piece and the body.

6. A mounting nut as defined in claim 1, wherein: the first inclined plane or the first straight plane is provided with a groove.

7. A mounting nut as defined in claim 1, wherein: the upper cover is provided with a through hole, and the transmission block extends into the through hole and can move up and down along the through hole.

8. A mounting nut as defined in any one of claims 1 to 7, wherein: the upper cover is downwards provided with a buckle; the inner wall of the first through hole is provided with a clamping groove, and the upper cover and the body are fixedly connected through the clamping matching of the clamping buckle and the clamping groove.

9. A mounting nut as defined in claim 1, wherein: a mounting seat is arranged between the mounting nut and the table-board.