CN114673723A

CN114673723A - Fastening device

Info

Publication number: CN114673723A
Application number: CN202210336980.7A
Authority: CN
Inventors: 陈家旭; 陈子鸿
Original assignee: Guangdong Anboly Sanitary Technology Co ltd
Current assignee: Guangdong Anboly Sanitary Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-06-28
Anticipated expiration: 2042-04-01
Also published as: CN114673723B

Abstract

The invention discloses a fastening device, which comprises a bolt, a nut and a limiting part, wherein the nut is sleeved at one end of the bolt and movably connected with the bolt, the limiting part is clamped on the bolt to limit the nut to fall off, an upper locking block is sleeved between the bolt and the nut, the bolt, the nut, the limiting part and the upper locking block form a whole, when the upper locking block is vertically sleeved on the bolt, the whole can penetrate through a fixing plate of a toilet seat from top to bottom, the upper locking block can be transversely buckled on the nut in a turnover manner and is limited below the fixing plate, and the bolt and the nut are mutually fastened; lax the bolt with the nut extremely the nut is subject to spacing portion, go up the latch roll-over and vertical knot is located on the nut, make whole can with fixed plate phase separation makes the installer can accomplish fastener's installation in support top operation, and simple structure, simple operation are reasonable.

Description

Fastening device

Technical Field

The invention relates to the technical field of bathroom products, in particular to a fastening device.

Background

The toilet seat and the toilet cover plate are turned over according to the condition that the toilet seat and the toilet cover plate are locked on the toilet seat, the toilet cover plate and the toilet seat are locked by a hole which is usually formed in the wall surface of the toilet seat and locked on the hole, then locked parts are locked from the upper back of the toilet seat to the lower back of the toilet seat, if one hand needs to be locked by a nut fixed from the lower back of the toilet seat, the space is narrow and difficult to operate, and if the locking can be directly completed on the upper end surface of the toilet seat, great convenience can be provided for an installer.

Disclosure of Invention

The present invention provides a fastening device to solve the above problems.

In order to achieve the purpose, the invention adopts the technical scheme that:

a fastening device comprises a bolt, a nut which is sleeved at one end of the bolt and movably connected with the bolt, and a limiting part which is clamped on the bolt to limit the nut to fall off, wherein an upper locking block is sleeved between the bolt and the nut, the bolt, the nut, the limiting part and the upper locking block form a whole, when the upper locking block is vertically sleeved on the bolt, the whole can penetrate through a fixing plate of a toilet seat from top to bottom, the upper locking block can be transversely buckled on the nut in a turnover manner and is limited below the fixing plate, and the bolt and the nut are mutually fastened; lax the bolt with the nut extremely the nut is subject to spacing portion, go up the latch roll-over and vertical knot is located on the nut, make whole can with the fixed plate phase separation.

Preferably, the upper locking piece is turned counterclockwise or clockwise through the center of gravity of the upper locking piece.

Preferably, the bolt is provided with a screw rod, a cap body arranged at one end of the screw rod and a guide rod arranged at one end of the screw rod and far away from one end of the cap body, a limit groove is arranged at one end of the guide rod far away from the cap body, the limit part is clamped in the limit groove, and the nut is movably connected between the cap body and the limit part.

Preferably, the screw has an external thread, the nut has an internal thread, and the internal thread and the external thread are arranged correspondingly.

Preferably, the outer diameter of the guide rod is smaller than the small diameter of the internal thread.

Preferably, the upper locking block comprises two locking pieces arranged at intervals, a first connecting piece and a second connecting piece, wherein the two locking pieces are arranged in an abutting mode, the first connecting piece and the second connecting piece are arranged in an encircling mode, the accommodating space is formed by the locking pieces, the first connecting piece and the second connecting piece in an encircling mode, and the accommodating space between the locking pieces and the first connecting piece and the accommodating space between the locking pieces and the second connecting piece is of an opening structure.

Preferably, the first connecting piece is connected to the upper end faces of the first ends of the two locking plates, the second connecting piece is connected to the lower end faces of the second ends of the two locking plates, at least one connecting piece of the first connecting piece and at least one connecting piece of the second connecting piece are integrally arranged, and the center of gravity of the upper locking block is arranged on one side close to the second connecting piece.

Preferably, the first connecting pieces are integrally arranged, the second connecting pieces are separately arranged into two pieces and are connected to the two locking pieces at intervals, and the distance between the two pieces of second connecting pieces is smaller than the outer diameter of the guide rod.

Preferably, a first accommodating groove and a second accommodating groove are formed in the locking plate in sequence, the second accommodating groove is formed between the first accommodating groove and the second connecting piece, and the first accommodating groove is arranged corresponding to the shape of the nut; the second connecting piece and the second accommodating groove are arranged on one side of the locking plate; the second accommodating groove and the first accommodating groove are provided with a bent part protruding towards the accommodating space, the upper end faces of the two locking plates are provided with protruding parts protruding towards one side of the accommodating space, and the protruding parts are arranged between the first connecting plates and the first accommodating grooves.

Preferably, the distance between the two locking plates is greater than the outer diameter of the screw rod, the distance between the two bent-up parts is less than the outer diameter of the screw rod and greater than the outer diameter of the guide rod, and the distance between the two convex parts is less than the outer diameter of the screw rod and greater than the outer diameter of the guide rod.

The beneficial effects of the invention are:

1) the utility model discloses a toilet seat, including a fixed plate, a bolt, a nut and spacing portion, and establish the locking piece at the cover between bolt and nut, and make four become a whole, with whole fixed plate from top to bottom passing toilet seat, and set up the locking piece and cup joint in bolt and/or nut and spacing in the fixed plate below with overturning, twist again and move bolt and nut fastening each other or the pine takes off on the fixed plate, thereby make the installer can just accomplish fastener's installation in the operation of support top, moreover, the steam generator is simple in structure, and the simple operation is reasonable.

2) The upper locking block is vertically sleeved on the bolt to penetrate through the fixed plate, and is turned over to be transverse through the self gravity of the upper locking block anticlockwise or clockwise so as to be buckled on the nut, and the transverse limit below the fixed plate is realized through the turning of the self gravity center; or when the upper lock block is transversely converted into the vertical direction, the upper lock block is turned anticlockwise or clockwise by the gravity of the upper lock block, so that the whole upper lock block is convenient to leave the fixed plate together; the self gravity center of the upper locking block is used for completing the operation, an additional auxiliary structure is not needed, and the structure is ingenious and practical.

3) The first connecting sheet, the convex part, the bent piece and the second connecting sheet are arranged on the upper locking block, so that the upper locking block can be prevented from being separated when being sleeved on a screw rod of the bolt, the manufacturing process is easy to realize, and the mounting structure is reasonable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded view of a fastening device of the present invention.

Fig. 2 is a first step of mounting a fastening device of the present invention.

Fig. 3 is a second step of mounting a fastening device of the present invention.

Fig. 4 is a third step of mounting a fastening device of the present invention.

Fig. 5 is a fourth step of mounting a fastening device of the present invention.

Fig. 6 is a diagram of a fifth step of mounting a fastening device of the present invention.

Fig. 7 is a diagram of a sixth installation step of a fastening device of the present invention.

Fig. 8 is an exploded view of a bolt and nut of a fastening device of the present invention.

Fig. 9 is an isometric view of the abutment of a fastening device of the present invention.

Figure 10 is an isometric view of the abutment of a fastening device of the present invention.

Reference numbers in the figures:

1-a nut;

2-locking the block; 21-a first connecting piece; 22-a first receiving groove; 23-a second accommodating groove; 24-a second connecting piece; 25-bending up; 26-a convex part;

3, fixing a plate;

4-support;

5-bolt; 51-a guide rod; 52-a cap body; 53-screw rod; 54-a limit groove;

6-limiting part.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

Referring to fig. 1 to 10, a fastening device according to a preferred embodiment of the present invention is fastened to a fixing plate 3 of a toilet seat from top to bottom.

The fastening device comprises a bolt 5, a nut 1 movably connected with the bolt 5, an upper locking block 2 sleeved on the bolt 5 and positioned above the nut 1, and a limiting part 6 sleeved on the bolt 5 and positioned below the nut 1, wherein the upper locking block 2 is vertically arranged on the bolt 5, is buckled on the nut 1 along with the bolt 5 passing through the fixing plate 3 and transversely turned by 90 degrees clockwise through the gravity center of the upper locking block 2, and the bolt 5 is screwed to fasten the fastening device on the fixing plate 3.

The bolt 5 has a screw 53, a cap 52 disposed at one end of the screw 53, and a guide rod 51 disposed at the screw 53 and far away from one end of the cap 52, the screw 53 has an external thread, a limit groove 54 is disposed at one end of the guide rod 51 far away from the cap 52, and the limit portion 6 is clamped in the limit groove 54. In this embodiment, the guide rod 51 is a polished rod, and in other embodiments, the guide rod 51 may be a rod with threads. The upper end surface of the cap body 52 is provided with a screwing position which can be a cross groove, a straight groove, an inner hexagonal groove and the like.

The limiting portion 6 is provided with a limiting groove which is E-shaped, the middle protrusion of the E-shaped structure is far shorter than the protrusions at two sides, and the limiting portion 6 is inserted into the limiting groove 54 from one end of the E-shaped opening and is clamped and limited in the limiting groove 54. In this embodiment, the limiting portion 6 is a buckle.

The nut 1 is provided with an internal thread which is arranged corresponding to the external thread of the screw 53, and the shape of the nut 1 is square, round, hexagonal and the like; in this embodiment, the nut 1 is square in shape, so as to be matched with the upper locking piece 2.

Go up locking piece 2 and include two locking plates that mutual interval set up, with two the locking plate supports the first connection piece 21 and the second connection piece 24 that the top set up mutually and two the locking plate first connection piece 21 with the accommodation space that second connection piece 24 formed is encircleed, first connection piece 21 is connected in two the up end of the first end of locking plate, second connection piece 24 is connected in two the lower terminal surface of the second end of locking plate.

At least one connecting piece of the first connecting piece 21 and the second connecting piece 24 is integrally arranged, in the embodiment, the first connecting piece 21 is integrally arranged, and the second connecting piece 24 is separately arranged, so that the upper locking block 2 can be manufactured by sheet metal bending, and the production cost is optimized; the two second connecting pieces 24 are arranged in a split manner and connected to the two locking pieces at intervals, and the distance between the two second connecting pieces 24 is smaller than the outer diameter of the guide rod 51. In another embodiment, the first connecting piece 21 is integrally formed, the second connecting piece 24 is integrally formed, and the upper locking piece 2 can be manufactured by machining, but such machining is more costly and obviously is not optimized by the machining method of the previous embodiment.

The lengths of the first connecting piece 21 and the second connecting piece 24 are both smaller than the length of the locking piece, and the accommodating space of the locking piece between the first connecting piece 21 and the second connecting piece 24 is an opening structure; the lock piece is sequentially provided with a second containing groove 23 and a first containing groove 22, the second containing groove 23 is arranged between the first containing groove 22 and the second connecting piece 24, the gravity center of the upper lock block 2 is arranged at one side close to the second connecting piece 24, and the first containing groove 22 and the appearance of the nut 1 are correspondingly arranged. The distance between the two locking plates is greater than the outer diameter of the screw 53, a bent part 25 protruding into the accommodating space is arranged between the two second accommodating grooves 23 and the first accommodating groove 22, and the distance between the two bent parts 25 is smaller than the outer diameter of the screw 53 and greater than the outer diameter of the guide rod 51. Convex parts 26 are convexly arranged on one sides of the upper ends of the two locking plates facing the containing space, the convex parts 26 are arranged between the first connecting plate 21 and the first containing groove 22 and far away from the gravity center of the upper locking block 2, and the distance between the two convex parts 26 is smaller than the outer diameter of the screw 53 and larger than the outer diameter of the guide rod 51; through the distance limitation of the bent-up part 25 and the convex part 26, when the screw 53 vertically penetrates through the accommodating space, the second connecting piece 24, the bent-up part 25, the convex part 26 and the first connecting piece 21 surround the screw 53, and the screw 53 cannot be separated from the side wall surface of the accommodating space. The locking plate with the tip of the relative one side of first connecting piece 21 all is provided with the rake of downward sloping, the rake can guide go up the upset of locking piece 2, guarantees can not restricted etc. when going up the upset of locking piece 2. The depth of the second accommodating groove 23 is greater than half of the width of the locking plate and greater than half of the width of the nut 1, and after the upper locking block 2 is loosened, the upper locking block is turned over and hooked on the nut 1 through the second accommodating groove 23; the upper locking block 2 is made of metal.

The fixing plate 3 is provided with a support 4, the support 4 is connected with a toilet cover plate and/or a toilet seat ring, and the fixing plate 3 and the support 4 are both provided with a through hole; the nut 1 is screwed on the screw rod 53, the upper locking block 2 is vertically arranged on the screw rod 53, the bolt 5, the upper locking block 2 and the cap body 52 sequentially penetrate through the through hole of the support 4 and the through hole of the fixing plate 3, the upper locking block 2 is turned clockwise by 90 degrees and is transversely arranged, and the support 4 hides the screw rod 53, the upper locking block 2 and the nut 1 below the support 4 and the fixing plate 3. The support 4 is made of plastic; alternatively, the support 4 may be made of metal.

The length of the threaded rod 53 is greater than the sum of the length of the upper lock 2 and the thickness of the nut 1, the fixing plate 3 and the support 4, so that the upper lock 2 can be vertically limited on the threaded rod 53 by the cap 52 and the nut 1. The outer diameter of the guide rod 51 is smaller than the small diameter of the internal thread, so that the nut 1 can pass through the groove 51. The outer diameter of the limiting portion 6 is larger than the small diameter of the internal thread, so that the nut 1 is limited on the screw 53 or the guide rod 51 by the limiting portion 6.

The working principle of the invention is briefly described as follows:

referring to fig. 2, a screw 53 of the bolt 5 is inserted into the accommodating space of the upper lock block 2, the upper lock block 2 is vertically arranged, the second end is arranged upward, the first end is arranged downward, the nut 1 is screwed on one side of the screw 53 close to the guide rod 51 and abuts against the upper lock block 2, so that the upper lock block 2 cannot be turned over downward, the limiting portion 6 is clamped on the limiting groove 54, and the bolt 5, the upper lock block 2, the nut 1 and the limiting portion 6 form a whole and are inserted into the through hole.

Referring to fig. 3, the cap body 52 is hung on the upper end surface of the through hole of the support 4, and the upper locking block 2, the screw 53, the nut 1 and the limiting portion 6 are located below the fixing plate 3.

Referring to fig. 4, the upper locking piece 2 is turned 90 ° clockwise by its own center of gravity, and the first receiving groove 22 is fastened to the nut 1.

Referring to fig. 5, the cap 52 is screwed by a tool for disassembling and assembling, and the nut 1 continuously rotates and rises along with the screw 53, so that the upper locking piece 2 continuously approaches the fixing plate 3 until the upper end surface of the upper locking piece 2 is attached to the lower end surface of the fixing plate 3.

When the whole is disassembled, referring to fig. 6, the cap body 52 is screwed by a disassembling tool, so that the bolt 5 is loosened and continuously screwed, the nut 1 is continuously moved towards the lower end of the screw 53 until the nut 1 falls onto the guide rod 51 and moves downwards along the guide rod 51 to be limited by the limiting part 6 and cannot fall down, the upper locking block 2 is turned over counterclockwise through the gravity center thereof to enable the second accommodating groove 23 to be buckled on the nut 1, referring to fig. 7, the upper locking block 2 is vertically arranged, and the whole can be lifted up and separated from the through hole.

According to the invention, the bolt 5, the nut 1 and the limiting part 6 are arranged, the upper locking block 2 is sleeved between the bolt 5 and the nut 1, so that the four parts form a whole, the whole penetrates through the fixing plate 3 of the toilet seat from top to bottom, the upper locking block 2 is arranged to be sleeved on the bolt 5 and/or the nut 1 in a turnover manner and limited below the fixing plate, and then the bolt 5 and the nut 1 are screwed to be fastened or loosened on the fixing plate 3, so that an installer can operate above the support to complete the installation of the fastening device, and the structure is simple, and the operation is convenient and reasonable; the upper locking block 2 is vertically sleeved on the bolt 5 to penetrate through the fixing plate 3, and is buckled on the nut 1 by turning over the upper locking block 2 to be transverse in an anticlockwise or clockwise mode through self gravity, and the transverse limiting below the fixing plate 3 is realized through turning over of the self gravity; or when the upper locking block 2 is horizontally converted into a vertical direction, the whole body can be conveniently separated from the fixing plate 3 by turning counterclockwise or clockwise through the self gravity; the self gravity center of the upper locking block 2 is utilized to complete the operation, no additional auxiliary structure is needed, and the structure is ingenious and practical; the first connecting piece 21, the convex part 26, the bent part 25 and the second connecting piece 24 are arranged on the upper locking piece 2, so that the upper locking piece 2 can be prevented from being separated when being sleeved on the screw 53 of the bolt 5, the manufacturing process is easy to realize, and the mounting structure is reasonable.

While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the precise forms disclosed herein and is not to be interpreted as excluding the existence of additional embodiments that are also intended to be encompassed by the present invention as modified within the spirit and scope of the invention as described herein. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A fastening device comprises a bolt, a nut which is sleeved at one end of the bolt and movably connected with the bolt, and a limiting part which is clamped on the bolt to limit the nut to fall off, wherein an upper locking block is sleeved between the bolt and the nut, and the bolt, the nut, the limiting part and the upper locking block form a whole; the bolt and the nut are loosened until the nut is limited by the limiting part, and the upper locking block is turned over and vertically buckled on the nut, so that the whole body can be separated from the fixing plate.

2. The fastening device of claim 1, wherein the upper lock piece is turned counterclockwise or clockwise by its center of gravity.

3. The fastening device of claim 2, wherein the bolt has a threaded rod, a cap body disposed at an end of the threaded rod, and a guide rod disposed at an end of the threaded rod away from the cap body, the guide rod has a limiting groove at an end away from the cap body, the limiting portion is engaged with the limiting groove, and the nut is movably connected between the cap body and the limiting portion.

4. The fastening device of claim 3, wherein the screw has an external thread and the nut has an internal thread, the internal thread and the external thread being arranged in correspondence.

5. The fastener of claim 3 or 4, wherein the guide rod has an outer diameter smaller than the minor diameter of the internal thread.

6. The fastening device according to claim 2, wherein the upper locking piece comprises two locking pieces arranged at intervals, a first connecting piece and a second connecting piece which are arranged to abut against the two locking pieces, and an accommodating space formed by the locking pieces, the first connecting piece and the second connecting piece in a surrounding manner, and the accommodating space of the locking pieces between the first connecting piece and the second connecting piece is of an open structure.

7. The fastening device according to claim 6, wherein the first connecting piece is connected to the upper end surfaces of the first ends of the two locking plates, the second connecting piece is connected to the lower end surfaces of the second ends of the two locking plates, at least one of the first connecting piece and the second connecting piece is integrally formed, and the center of gravity of the upper locking piece is arranged on the side close to the second connecting piece.

8. The fastening device according to claim 7, wherein the first connecting piece is integrally arranged, the second connecting piece is separately arranged, the second connecting piece of the separate body is arranged into two pieces and is connected to the two locking pieces at intervals, and the distance between the two pieces of the second connecting piece is smaller than the outer diameter of the guide rod.

9. The fastening device according to claim 7, wherein the locking piece is sequentially provided with a first receiving groove and a second receiving groove, the second receiving groove is arranged between the first receiving groove and the second connecting piece, and the first receiving groove is arranged corresponding to the shape of the nut; the second connecting piece and the second accommodating groove are arranged on one side of the locking plate; the second accommodating groove and the first accommodating groove are provided with a bent part protruding towards the accommodating space, the upper end faces of the two locking plates are provided with protruding parts protruding towards one side of the accommodating space, and the protruding parts are arranged between the first connecting plates and the first accommodating grooves.

10. The fastening device of claim 9, wherein the distance between the locking tabs is greater than the outer diameter of the threaded rod, the distance between the bent-up tabs is less than the outer diameter of the threaded rod and greater than the outer diameter of the guide rod, and the distance between the protruding tabs is less than the outer diameter of the threaded rod and greater than the outer diameter of the guide rod.