Nut capable of being rapidly installed

Abstract

The utility model relates to a nut capable of being installed quickly, which is composed of a female sleeve and a female core, the female core is sleeved on a screw, the female sleeve is sleeved outside the female core, the female core and the female core comprise a plurality of locking blocks, intervals are arranged among the locking blocks, and internal threads are arranged on the inner walls of the locking blocks. The female sleeve and the inner wall of the female sleeve are provided with pressing structures corresponding to the locking blocks, the pressing structures comprise action positions with different radial space sizes, the different radial space positions act on the locking blocks respectively to enable the locking blocks to be closed or expanded towards the center, and according to the scheme, rapid installation and fixation can be achieved, and the operation speed can be greatly increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of connecting pieces, and in particular relates to a quickly installed nut. Background Art

[0002] Existing faucets and toilets typically require the use of long threaded pipes, which are axially locked with nuts. The nut's internal threads mate with the pipe's external threads, and the pipe's lower end is rotated upward until it presses against the bottom surface of the structure, achieving structural locking. This nut-rotating process consumes significant installation time, significantly impacting work efficiency. Summary of the Invention

[0003] The technical problem to be solved by the utility model is that the existing nut can only be rotated and moved upward slowly, and the installation speed is slow.

[0004] The utility model solves the above problems by adopting the following technical solutions:

[0005] A quick-install nut consists of a female sleeve and a female core. The female core is sleeved on the screw, and the female sleeve is sleeved on the outside of the female core. The female core includes a plurality of locking blocks, which are spaced apart and have internal threads on the inner walls of the locking blocks. The female sleeve has a pressing structure on the inner wall corresponding to each locking block. The pressing structure includes action positions of different radial space sizes, which act on the locking blocks through different radial space positions to make them close or expand toward the center.

[0006] Compared with the prior art, the present invention adopting the above structure has the following beneficial effects:

[0007] This solution can be quickly installed and fixed, which can greatly speed up the operation.

[0008] As a preferred embodiment, a further technical solution of the above structure is:

[0009] The pressing structure is a vertical rib arranged at the lower part of the inner wall of the female sleeve. The vertical rib protrudes from the inner wall of the female sleeve toward the center to reduce the inner diameter width of the female sleeve.

[0010] The beneficial effect achieved by the above features is that the vertical ribs are in surface contact with the locking block when pressing the locking block, and are not easily damaged.

[0011] A protrusion is provided on the counterclockwise side of the outer wall of the locking block; the pressing structure also includes a guide groove and a sliding groove, the guide groove is a groove with a radial width increasing from the inner wall of the female sleeve to the outside, which is sleeved on the outer wall of the protrusion, and the side wall of the guide groove on the clockwise side is an inclined sliding surface; the sliding groove is provided on the clockwise side of the inclined sliding surface, which is a groove with a radial width increasing from the inner wall of the female sleeve to the outside, and is sleeved on the outer wall of the protrusion; the clockwise side of the sliding groove is the vertical rib, and the vertical rib is against the outer wall of the locking block.

[0012] The beneficial effects obtained by the above features are as follows: the female sleeve of this embodiment is easy to manufacture, has a long service life, has a strong pressing force on the female core, and has good stability.

[0013] The upper and lower ends of the guide groove pass through the top wall and the bottom wall of the female sleeve; the lower end of the slide groove passes through the bottom wall of the female sleeve, and a blocking piece is reserved at the upper end.

[0014] The beneficial effects obtained by the above features are as follows: this embodiment can well control the ineffective axial displacement of the mother core in the mother sleeve, can reasonably guide the displacement of the mother core, and can make the mother core and the mother sleeve connected together and not easily separated.

[0015] The upper end of the female core is provided with a ring platform extending radially outward, the bottom of the outer edge of the ring platform is fixed with a hanging block, and the outer wall of the female sleeve is provided with a clamping groove corresponding to the hanging block.

[0016] The beneficial effects obtained by the above features are as follows: the female sleeve in this example can drive the female core to rotate more stably and effectively, thereby achieving rapid locking. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the utility model in a state where it is sleeved on a screw;

[0018] Figure 2 This is an axial structural diagram of the upper side of the female core of the utility model;

[0019] Figure 3 This is the axial structural diagram of the bottom of the female core of the utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of the female sleeve of the utility model;

[0021] Figure 5 It is the upward-looking structure of the female sleeve of the utility model;

[0022] Figure 6 This is a structural diagram of the inner wall of the female sleeve of the utility model;

[0023] Figure 7 This is the cross-sectional structure diagram of the mother core just entering the mother sleeve;

[0024] Figure 8 This is a schematic diagram of the state where the female core of the utility model is initially inserted into the female sleeve;

[0025] Figure 9 This is a schematic diagram of the state where the female core of the utility model is inserted into the vertical rib.

[0026] In the figure: 1. screw; 2. female core; 201. locking block; 202. spacer; 203. internal thread; 204. protrusion; 205. ring platform; 206. vertical block; 3. female sleeve; 301. top wall; 302. bottom wall; 303. inner wall of female sleeve; 304. guide groove; 305. slide groove; 306. baffle; 307. vertical rib; 308. slot; 309. inclined sliding surface. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the scope of protection of the present invention.

[0028] See also Figures 1 to 7 The quick-install nut provided by the present invention consists of a female sleeve 3 and a female core 2. The female core 2 is mounted on the screw 1, and the female sleeve 3 is mounted on the outside of the female core 2. The female core 2 includes a plurality of locking blocks 201. The locking blocks 201 are separated by spacers 202, and the inner walls of the locking blocks 201 are provided with internal threads 203. The design concept of this solution is to design a press-fit structure on the inner wall 303 of the female sleeve corresponding to the number of locking blocks 201, which acts on each locking block 201 respectively. The press-fit structure constructs radial spaces of different sizes. When the positions with different radial spaces act on the locking blocks 201 respectively, for example, when the position with smaller radial space acts on the locking block 201, the locking block 201 closes toward the center and engages with the screw 1. When the position with larger radial space acts on the locking block 201, the locking block 201 expands and can move linearly on the screw 1.

[0029] The nut is usually locked by rotating clockwise and loosened by rotating counterclockwise. Based on the conventional structure, in order to realize the above concept, the embodiment of the matching structure of the female core 2 and the female sleeve 3 provided in this solution is:

[0030] A protrusion 204 is provided on the counterclockwise side of the outer wall of the locking block 201 of the female core 2;

[0031] The pressing structure of the inner wall 303 of the female sleeve includes a guide groove 304, a sliding groove 305 and a vertical rib 307.

[0032] The guide groove 304 is a groove that increases radially outward from the inner wall 303 of the mother sleeve. It is sleeved on the outer wall of the protrusion 204. The clockwise side wall of the guide groove 304 is an inclined sliding surface 309. The upper and lower ends of the guide groove 304 pass through the top wall 301 and the bottom wall 302 of the mother sleeve 3. The depth of the guide groove 304 is to match the protrusion 204. When the mother core 2 is installed, the protrusion 204 slides from the top of the guide groove 304 so that the lower end of the mother core 2 can enter the mother sleeve 3. When the mother core 2 is rotated, the protrusion 204 slides from the inclined sliding surface 309 into the slide groove 305.

[0033] The slide groove 305 is arranged on the clockwise side of the inclined sliding surface 309. It is a groove with a radial width increasing outward from the inner wall 303 of the mother sleeve, and is sleeved on the outer wall of the protrusion 204; the lower end of the slide groove 305 passes through the bottom wall 302 of the mother sleeve 3, and a baffle 306 is reserved at the upper end; after the protrusion 204 jumps from the inclined sliding surface 309 into the slide groove 305, it is movably embedded in the slide groove 305, and the mother core 2 can move up and down. The protrusion 204 is limited by the baffle 306 to prevent it from falling out of the mother sleeve 3, thereby combining the mother core 2 and the mother sleeve 3.

[0034] The vertical rib 307 is arranged on the clockwise side of the slide groove 305 and is located at the lower part of the inner wall 303 of the female sleeve. It protrudes from the inner wall 303 of the female sleeve toward the center to reduce the inner diameter width of the female sleeve 3.

[0035] The vertical ribs 307 are core components for constructing different radial spaces in the press-fit structure. When the nut 201 is in a closed position, the nut 201 is tightened and the screw thread 307 is tightened to the screw thread 307. When the nut 201 is in a closed position, the nut 201 is tightened and the screw thread 307 is tightened to the screw thread 307.

[0036] The lower end of the locking block of the female core of this solution is outward-expanded, the diameter of the lower end of the locking block matches the diameter of the inner wall of the female sleeve, and the diameter of the upper end of the locking block matches the diameter of the inner wall of the vertical rib. This solution allows the vertical ribs to become vertical gaps or be completely closed when constraining the locking block to close.

[0037] In this solution, the inner wall of the female sleeve 303 and the inner wall of the vertical rib 307 are both vertical surfaces, so when they act on the outer wall of the locking block 201, they are in surface contact, with a large contact area, and are not prone to indentation and component loss.

[0038] See also Figure 8 、 Figure 9The upper end of the vertical rib 307 is an inclined slide, which makes it easier for the locking block 201 to move toward the center. The vertical rib 307 is provided on the inner wall of the female sleeve. Compared with the prior art method of using a conical surface to squeeze the female core 2 for closing, the speed of achieving complete engagement is faster. Specifically, the structure of the conical surface: when the lower end of the locking block 201 contacts the conical surface, the locking block 201 needs to move toward the minor diameter of the conical surface by rotating. During the rotation process, the interval 202 is closed first, and the internal thread 203 of the locking block 201 is closed. It engages with the screw 1 to a tightness that prevents linear movement, and then continues to rotate to achieve a tight engagement and fixation with the screw 1; vertical rib 307 structure: the locking block 201 is inserted into the vertical rib 307 by kneading, and the internal thread 203 of the locking block 201 engages with the screw 1 to a tightness that prevents linear movement, and then is rotated to achieve a tight engagement and fixation with the screw 1. It can be seen that the vertical rib 307 structure further saves the rotation process of closing the interval 202 of the locking block 201, thereby speeding up the installation speed.

[0039] On the one hand, the protrusion 204 enables the vertical ribs 307 to correspond one to one with the locking block 201 , and on the other hand, the inner wall of the female sleeve 3 is clamped with the outer wall of the female core 2 , and the inner wall of the female sleeve 3 is used to drive the female core 2 to rotate.

[0040] The guide groove 304 is only used to prevent the protrusion 204 from failing to enter the female sleeve 3 along with the female core 2; the slide groove 305 is used to prevent the female sleeve 3 from falling off during use. Both are preferred structures of this solution and are not necessary structures to enable the locking block 201 to open and close. Therefore, the vertical rib 307 of this solution is a structure that can only appear on the inner wall 303 of the female sleeve.

[0041] As an option, a radially outward-extending annular platform 205 is provided at the upper end of the mother core 2. A drop block 206 is fixedly connected to the bottom of the outer edge of the annular platform 205. A locking groove 308 is provided on the outer wall of the mother sleeve 3 corresponding to the drop block 206. This structure enables the inner and outer layers to simultaneously exert an action on the mother core 2 when the mother sleeve 3 drives the mother core 2 to rotate. The drop block 206 is fixed to the outer wall of the mother sleeve 3, and the outer wall is used to drive the mother core.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the scope of the present invention. Any equivalent changes made using the contents of the present invention specification and its drawings are included in the scope of the present invention.

Claims

1. A quick-install nut, consisting of a female sleeve (3) and a female core (2), wherein the female core (2) is sleeved on the screw (1) and the female sleeve is sleeved on the outside of the female core (2), characterized in that: A mother core (2), the mother core (2) comprising a plurality of locking blocks (201), spacers (202) being provided between the locking blocks (201), and inner walls of the locking blocks (201) being provided with internal threads (203); The female sleeve (3) has a pressing structure on its inner wall (303) corresponding to each locking block (201). The pressing structure includes action positions of different radial spatial sizes, which act on the locking block (201) through different radial spatial positions to make it close or expand toward the center.

2. The quick-install nut according to claim 1, characterized in that: The pressing structure is a vertical rib (307) arranged at the lower part of the inner wall (303) of the female sleeve. The vertical rib (307) protrudes from the inner wall (303) of the female sleeve toward the center, thereby reducing the inner diameter width of the female sleeve (3).

3. The quick-install nut according to claim 2, characterized in that: A protrusion (204) is provided on the counterclockwise side of the outer wall of the locking block (201); The pressed structure also includes, The guide groove (304) is a groove with a radially increasing width extending outward from the inner wall of the female sleeve (303), which is sleeved on the outer wall of the protrusion (204), and the side wall of the guide groove (304) on the clockwise side is an oblique sliding surface (309); The sliding groove (305) is arranged on the clockwise side of the oblique sliding surface (309), which is a groove with a radial width increasing outward from the inner wall (303) of the female sleeve, and is sleeved on the outer wall of the protrusion (204); The vertical rib (307) is located on the clockwise side of the sliding groove (305), and the vertical rib (307) abuts against the outer wall of the locking block (201).

4. The quick-install nut according to claim 3, characterized in that: The upper and lower ends of the guide groove (304) pass through the top wall (301) and the bottom wall (302) of the female sleeve; the lower end of the slide groove (305) passes through the bottom wall (302) of the female sleeve, and a blocking piece (306) is reserved at the upper end.

5. The quick-install nut according to claim 1, characterized in that: The upper end of the female core (2) is provided with a radially outwardly extending annular platform (205), the outer edge bottom of the annular platform (205) is fixedly connected with a hanging block (206), and the outer wall of the female sleeve (3) is provided with a clamping groove (308) corresponding to the hanging block (206).

6. The quick-install nut according to claim 2, characterized in that: The lower end of the locking block (201) of the female core (2) is in an outwardly expanded shape, the lower end diameter of the locking block (201) matches the diameter of the inner wall (303) of the female sleeve, and the upper end diameter of the locking block (201) matches the inner wall diameter of the vertical rib (307).

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