CN218219687U

CN218219687U - Special locking device for bed body connection

Info

Publication number: CN218219687U
Application number: CN202222460424.9U
Authority: CN
Inventors: 张小平
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-17
Filing date: 2022-09-17
Publication date: 2023-01-06
Anticipated expiration: 2032-09-17

Abstract

The utility model relates to the technical field of furniture hardware fittings, in particular to a special locking device for bed body connection; the utility model comprises a locking part and an expansion part which are connected by screw thread, wherein the expansion part comprises a cylinder and a plurality of expansion pieces connected with the cylinder, the expansion pieces are arranged in an inclined way, the tail parts of the expansion pieces incline towards the central line of the cylinder, a first internal thread is arranged in the cylinder, a through hole is arranged in the locking part, and an external thread is arranged on the outer side wall of the locking part; the utility model discloses in, connect in the retaining member through the inflation piece that will contain the inflation piece, install it in the mounting hole on the bedpost on the bed body again, twist the bolt again, bolt threaded connection is at first internal thread, and the bolt stretches into inflation piece jack-up in the drum for thereby the inflation piece expands and blocks the mounting hole, connects the crossbeam board on the bolt again, thereby accomplishes the locking connection of crossbeam board and the bed body.

Description

Special locking device for bed body connection

Technical Field

The utility model relates to a furniture hardware fitting technical field, in particular to a special locking device for bed body coupling.

Background

In the furniture industry at present, the family is still more inclined to the wood bed, and the wood bed generally comprises high screen (backplate), low screen, crossbeam board constitution, and the high screen is as the head of a bed, and the low screen is as the tailstock, and the crossbeam board is connected high screen and low screen, generally can set up the support bracket on the crossbeam board, puts the bed in the support bracket, presses the bed board at the bed again, can constitute a bed of sleeping, and some families can press the Simmons on the bed board, and is more warm like this.

At present, bed columns are arranged on two sides of a high screen and a low screen of a solid wood bed, a hanging piece is connected to the bed columns through bolts, and a cross beam plate is connected to the hanging piece through screws, so that the cross beam plate is fixedly connected with the high screen and the low screen; also have at present on the market and come the card in the bedpost through the retaining member, be provided with the card on the retaining member, in the bedpost through the card, but chucking power is not enough, drops very easily.

Disclosure of Invention

In order to overcome the above-mentioned not enough, the utility model aims at providing a special locking device for bed body coupling, it is connected in the retaining member through the inflation piece that will contain the inflation piece, install its mounting hole on the bedpost on the bed body again, twist the bolt again, bolt threaded connection is at first internal thread, the bolt stretches into and rises inflation piece jack-up in the drum, thereby make the inflation piece expand, thereby the inflation piece opens and blocks the mounting hole, connect the crossbeam board on the bolt again, thereby accomplish the locking connection of crossbeam board and the bed body.

The technical proposal of the utility model for solving the technical problem is that:

the utility model provides a special locking device for bed body coupling, wherein, retaining member and inflation piece including threaded connection, inflation piece includes the drum and connects a plurality of inflation piece on the drum, inflation piece slope set up and its afterbody to the central line slope of drum, be provided with first internal thread in the drum, set up the through-hole in the retaining member, be provided with on the lateral wall of retaining member and be used for corresponding first internal thread external screw thread.

As an improvement of the utility model, be provided with first screw thread thorn on the lateral wall of drum.

As a further improvement of the utility model, the outer side surface of the expansion sheet is provided with a bayonet.

As a further improvement, the retaining member includes a ring body and a sleeve body, the sleeve body includes a fixed part and a connecting part, the fixed part with be provided with the step between the connecting part, the external screw thread sets up on the connecting part, through first internal thread with the cooperation of external screw thread is connected with the drum is connected on the connecting part.

As a further improvement of the present invention, a second thread is provided on the outer side wall of the fixing portion.

As a further improvement of the present invention, a second internal thread is provided in the through hole.

As a further improvement of the present invention, the outer diameter of the fixing portion is the same as the outer diameter of the cylinder.

As a further improvement of the utility model, the number of the expansion pieces is six.

As a further improvement of the present invention, the expansion sheet has elasticity.

In the utility model, the expansion piece containing the expansion piece is connected in the locking piece and then is installed in the installation hole on the bed column on the bed body, the bolt is screwed in, the bolt is in threaded connection with the first internal thread, the bolt extends into the cylinder to jack up the expansion piece, so that the expansion piece expands, the expansion piece is opened to clamp the installation hole, and then the crossbeam plate is connected on the bolt, thereby completing the locking connection of the crossbeam plate and the bed body; the utility model discloses simple to operate, the practicality is strong, moreover firmly with the locking connection of crossbeam board and the bed body, make the difficult not hard up and difficult droing of crossbeam board.

Drawings

For ease of illustration, the present invention is described in detail by the following preferred embodiments and the accompanying drawings.

FIG. 1 is an explosion diagram of the present invention

FIG. 2 is a side view of the expansion member;

reference numerals: 1-locking piece, 11-through hole, 12-circular ring body, 13-sleeve body, 14-second internal thread piece, 15-fixing part, 16-connecting part, 17-step, 18-second threaded thorn, 19-external thread, 2-expansion piece, 21-cylinder, 22-expansion piece, 23-first internal thread, 24-first threaded thorn and 25-bayonet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, 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 are not intended to limit the invention.

As shown in fig. 1 and 2, the utility model discloses a special locking device for bed body is connected, including threaded connection's retaining member 1 and inflation piece 2, inflation piece 2 includes drum 21 and connects a plurality of inflation piece 22 on drum 21, and inflation piece 22 slope sets up and its afterbody is to the central line slope of drum 21, is provided with first internal thread 23 in the drum 21.

The utility model discloses in, set up through-hole 11 in retaining member 1, be provided with the external screw thread 19 that is used for corresponding first internal thread 23 on retaining member 1's the lateral wall, be connected through first internal thread 23 and external screw thread 19's meshing and can make expansion part 2 connect in retaining member 1.

The utility model discloses in, connect in retaining member 1 through the inflation piece 2 that will contain inflation piece 22, install it again in the mounting hole on the bedpost on the bed body, twist the bolt again, bolt threaded connection is at first internal thread 23, and the bolt stretches into and will expand piece 22 jack-up in the drum 21 for inflation piece 22 expands, thereby inflation piece 22 opens and blocks the mounting hole, connects the crossbeam board on the bolt again, thereby accomplishes the locking connection of crossbeam board and the bed body.

In order to enable the expansion sheet to better clamp the mounting hole on the bed column, the clamping thorn 25 is arranged on the outer side face of the expansion sheet 22, the expansion sheet 22 is jacked up by the bolt, the tail of the expansion sheet 22 is opened, the expansion sheet is clamped into the mounting hole by the clamping thorn 25 towards the installation Kong Dingqi on the bed column, and the clamping thorn 25 is used for increasing the gripping force of the expansion sheet to enable the expansion sheet to be clamped in the mounting hole more stably and not to slide out of the mounting hole easily.

Further, make the inflation piece block the mounting hole on the bedpost better, be provided with first screw burr 24 on the lateral wall of drum 21, tightly block the mounting hole on the bedpost through first screw burr 24 on the lateral wall of drum 21, through first screw burr 24 and card thorn 25, can make inflation piece 2 firmly grasp in the mounting hole on the bedpost, make inflation piece 2 difficult for the roll-off mounting hole.

In the utility model, the locking piece 1 comprises a ring body 12 and a sleeve body 13 which are connected, the sleeve body 13 comprises a fixed part 15 and a connecting part 16, a step 17 is arranged between the fixed part 15 and the connecting part 16, an external thread 19 is arranged on the connecting part 16, and a cylinder 21 is connected on the connecting part 16 through the matching connection of a first internal thread 23 and the external thread 19; specifically, the expansion part 2 is connected to the connecting part 16 on the locking part 1 through the first internal thread 23 and the external thread 19, and in order to be better installed in the mounting hole on the bed column, the outer diameter of the fixing part 15 is the same as that of the cylinder 21, and after the expansion part 2 is firmly connected with the locking part 1, the expansion part 2 is integrated with the outer side wall of the locking part 1 to be flush with the outer side wall, so that the expansion part can be installed in the mounting hole on the bed column.

In order to make the utility model discloses in connecting the mounting hole on the bedpost more firmly, be provided with second screw thread thorn 18 on the lateral wall of fixed part 15, through the mounting hole of second screw thread thorn 18 firm card on the bedpost, increase the utility model discloses a grip power makes the utility model discloses connect in the mounting hole on the bedpost more firmly, difficult not hard up and drop.

In order to facilitate the screwing of the bolt, a second internal thread 14 is arranged in the through hole 11, the bolt is screwed along the second internal thread 14 of the through hole 11 of the locking piece 1, and the bolt jacks up the expansion sheet 22 of the expansion piece 2; the expansion pieces 22 have elasticity, so that the expansion pieces are stronger in toughness and not easy to break, preferably, the number of the expansion pieces 22 is six, and after the expansion pieces 22 are jacked up by bolts, the six expansion pieces 22 are opened and clamped in mounting holes in a bed column, so that the expansion piece 2 is firmly fixed in the mounting holes in the bed column.

The utility model provides an embodiment, this embodiment includes retaining member 1 and the inflation piece 2 of threaded connection, inflation piece 2 includes drum 21 and six inflation pieces 22 connected on drum 21, inflation piece 22 slope setting and its afterbody inclines to the central line of drum 21, the inside wall of drum 21 is provided with first internal thread 23, be provided with first screw burr 24 on the lateral wall of drum 21, be provided with bayonet catch 25 on the lateral surface of inflation piece 22; the locking part 1 comprises a circular ring body 12 and a sleeve body 13 which are connected, a through hole 11 is formed in the locking part 1, a second internal thread 14 is formed in the through hole 11, the second internal thread 14 adopts M8 teeth, the sleeve body 13 comprises a fixing part 15 and a connecting part 16, a step 17 is arranged between the fixing part 15 and the connecting part 16, the outer diameter of the fixing part 15 is the same as that of the cylinder 21, a second threaded burr 18 is arranged on the outer side wall of the fixing part 15, an external thread 19 is arranged on the connecting part 16, the expansion part 2 is connected to the connecting part 16 on the locking part 1 through the matching of the first internal thread 23 and the external thread 19, and the first internal thread 23 and the external thread 19 adopt M10 fine teeth; the specific installation process is as follows: the cylinder 21 of the expansion piece 2 is firstly sleeved into the connecting part 16 in the sleeve body 13 of the locking piece 1, the first internal thread 23 of the cylinder 21 is in threaded connection with the external thread 19 of the connecting part 16, so that the expansion piece 2 and the locking piece 1 are assembled together to form a sleeved piece, then the sleeved piece is inserted into the mounting hole on the bed column, the six expansion pieces 22 are slowly jacked up through the second threaded spines 18 on the locking piece 1 and the first threaded spines 24 on the expansion piece 2 to be firmly clamped in the mounting hole on the bed column, when the bolt is installed, the bolt is screwed into the through hole 11, the bolt extends into the cylinder 21 of the expansion piece 2 along the second internal thread 14 on the through hole 11, so that the bayonet 25 of each expansion piece is firmly clamped in the mounting hole on the bed column, the sleeved piece is firmly connected in the mounting hole on the bed column, and the bolt is firmly connected to the sleeved piece, and therefore the transverse beam plate can be conveniently connected through the bolt.

The utility model discloses possess following advantage:

1. the expansion piece 22 of the expansion piece 2 can be jacked up to expand and can be firmly clamped in a mounting hole on the bed column through the clamping thorn 25; the second clamping point is that the cylinder 21 of the expansion piece 2 is provided with a first threaded thorn 24, and the first threaded thorn 24 can be firmly clamped in a mounting hole on the bed column; the third clamping point is that the second threaded thorn 18 on the sleeve body 13 of the locking piece 1 can be firmly clamped in the mounting hole on the bed column.

The locking piece 1 is firmly connected with the expansion piece 2, and the locking piece 1 is firmly connected with the external thread 19 of the sleeve body 13 of the locking piece 1 through the first internal thread on the cylinder 21 of the expansion piece 2 in a threaded connection mode.

And a second internal thread 14 is arranged in the through hole of the locking member 1, so that the bolt can be stably connected, and the bolt connection is convenient.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a special locking device for bed body coupling, its characterized in that, retaining member and inflation piece including threaded connection, inflation piece includes the drum and connects a plurality of inflation piece on the drum, inflation piece slope set up and its afterbody to the central line slope of drum, be provided with first internal thread in the drum, set up the through-hole in the retaining member, be provided with on the lateral wall of retaining member and be used for corresponding first internal thread external screw thread.

2. The special locking device for bed connection as claimed in claim 1, wherein the outer sidewall of the cylinder is provided with the first screw thorn.

3. The special locking device for bed body connection as claimed in claim 2, wherein the outside of the expansion sheet is provided with a bayonet.

4. The special locking device for bed body connection as claimed in claim 1 or 3, wherein the locking member comprises a ring body and a sleeve body connected with each other, the sleeve body comprises a fixing portion and a connecting portion, a step is provided between the fixing portion and the connecting portion, the external thread is provided on the connecting portion, and the cylinder is connected to the connecting portion through the matching connection of the first internal thread and the external thread.

5. The special locking device for connecting the bed body as claimed in claim 4, wherein the outer side wall of the fixing part is provided with a second screw spike.

6. The special locking device for connecting a bed body as claimed in claim 5, wherein a second internal thread is arranged in the through hole.

7. The special locking device for bed connection as claimed in claim 6, wherein the outer diameter of the fixing part is the same as the outer diameter of the cylinder.

8. The special locking device for bed connection as claimed in claim 1, wherein the number of the expansion sheets is six.

9. A special locking device for bed connection as claimed in claim 1, characterized in that the expansion sheet is elastic.