CN212536345U - Hidden connecting piece - Google Patents
Hidden connecting piece Download PDFInfo
- Publication number
- CN212536345U CN212536345U CN202021218000.6U CN202021218000U CN212536345U CN 212536345 U CN212536345 U CN 212536345U CN 202021218000 U CN202021218000 U CN 202021218000U CN 212536345 U CN212536345 U CN 212536345U
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- China
- Prior art keywords
- connecting rod
- stop sleeve
- stop
- expansion plug
- threads
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Abstract
The utility model discloses hide the connecting piece and provide one kind and can hide when connecting the plate, and do not need senior mechanical equipment and laminu custom cutter to punch, general processing equipment or manual punch can, the wider hidden connecting piece of adaptability. The anti-theft bolt comprises a connecting rod, an expansion plug and a stop sleeve, wherein outer threads of the stop sleeve are arranged on the circumferential surface of the outer side of the stop sleeve, a stop pawl is arranged at one end of the stop sleeve, a groove is formed in the end surface of the other end of the stop sleeve, the connecting rod penetrates through the stop sleeve, gear teeth are fixedly arranged at one end of the connecting rod, the gear teeth and the stop pawl are correspondingly clamped, an installation groove is formed in the end surface of one end of the connecting rod, end threads of the connecting rod are arranged at the other end of the connecting rod, the expansion plug sleeve is arranged at the other end of the connecting rod, and inner threads are arranged on the inner side surface of the expansion plug.
Description
Technical Field
The utility model relates to a hardware products field specifically is a can hide hidden connecting piece when connecting plate.
Background
At present, three common connection modes of three-in-one, screw locking and domino hidden connection are adopted among the plates of the detachable furniture, and the hardware can be exposed by the three-in-one and screw locking modes, so that the product is not attractive, and the grade of the furniture is low; the connection mode of the domino has the disadvantages of high hardware price, high production cost and high furniture price because special holes need to be drilled on more than 3 shafts of processing equipment.
SUMMERY OF THE UTILITY MODEL
The technique that exists is not enough to the aforesaid, the utility model aims at providing a hide the connecting piece, it can hide when connecting the plate, and does not need senior mechanical equipment and laminu custom cutter to punch, general processing equipment or manual punch can, the wider hidden connecting piece of adaptability.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the hidden connecting piece is characterized by comprising a connecting rod, an expansion plug and a stop sleeve, wherein outer threads of the stop sleeve are arranged on the circumferential surface of the outer side of the stop sleeve, a stop pawl is arranged on one end of the stop sleeve, a groove is formed in the end surface of the other end of the stop sleeve, the connecting rod penetrates through the stop sleeve, gear teeth are fixed at one end of the connecting rod and correspondingly clamped with the stop pawl, an installation groove is formed in the end surface of one end of the connecting rod, threads at the end part of the connecting rod are arranged at the other end of the connecting rod, the expansion plug is sleeved on the other end of the connecting rod, and inner threads are arranged on the inner side surface of the expansion plug and correspondingly screwed with the threads at the;
preferably, the locking pawl is a conical table with a plurality of slots at equal angles;
preferably, the mounting groove can be any one of a cross shape, a straight shape, a square shape and an inner hexagon;
preferably, the expansion plug can be any one of pre-buried colloidal particles and pre-buried internal thread screws.
The beneficial effects of the utility model reside in that: after the board is installed, the connecting piece is hidden, so that the furniture is more attractive; when the drilling tool is installed for drilling, common processing equipment or manual drilling can be performed, high-grade mechanical equipment and a Ramiphene cutter are not needed, the cost is reduced, and the applicability is wider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hidden connecting member according to an embodiment of the present invention;
fig. 2 is a three-dimensional structure view of the hidden connecting piece of the present invention without the expansion plug;
fig. 3 is a three-dimensional structure view of the hidden connecting piece stop sleeve provided by the embodiment of the present invention;
fig. 4 is a schematic structural view of a hidden connecting rod according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a hidden connecting member expansion plug according to an embodiment of the present invention;
fig. 6 is a three-dimensional structure diagram of the hidden connecting member according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a hidden connecting member according to an embodiment of the present invention;
description of reference numerals:
the connecting rod comprises a connecting rod 1, an expansion plug 2, a stop sleeve external thread 3, a stop claw 4, a gear tooth 5, a stop sleeve 6, a connecting rod end thread 7, a plate A8, a plate B9, a wood tenon 10, a connecting piece 11, a groove 12 and a mounting groove 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the hidden connecting piece comprises a connecting rod 1, an expansion plug 2 and a stop sleeve 6, wherein outer threads 3 of the stop sleeve are arranged on the circumferential surface of the outer side of the stop sleeve 6, a stop pawl 4 is arranged on one end of the stop sleeve 6, a groove 12 is formed in the end surface of the other end of the stop sleeve 6, the connecting rod 1 penetrates through the stop sleeve 6, the teeth 5 are fixed at one end of the connecting rod 1, the teeth 5 and the stop pawl 4 are correspondingly clamped, an installation groove 13 is formed in the end surface of one end of the connecting rod 1, a connecting rod end thread 7 is arranged at the other end of the connecting rod 1, the expansion plug 2 is sleeved at the other end of the connecting rod 1, and an inner thread is arranged on the inner side surface of the expansion plug 2 and correspondingly screwed with the connecting;
furthermore, the locking claw 4 is a conical table with a plurality of slots at equal angles; when the connecting rod 1 is inserted, the conical table is extruded, cracks are formed in the conical table and can be outwards opened, the conical table has resilience and can reversely extrude the connecting rod 1, when extrusion force acts on a certain inclined plane of the gear teeth 5 of the connecting rod 1, inward tensile force can be generated for the connecting rod 1, the locking claw 4 is clamped with the gear teeth 5 on the connecting rod 1, and connection is more stable;
when in use, the connecting rod 1, the stop sleeve 6 and the expansion plug 2 are separated in an initial state;
firstly, drilling a connecting piece 10 mounting hole and a wood tenon 11 hole on a plate A8 and a plate B9, then mounting a swelling plug 2 in the connecting piece 10 mounting hole of the plate B9, locking a stop sleeve 6 on the plate A8, fixing the stop sleeve 6 and the plate A8, and locking a threaded end of a connecting rod 1 into the swelling plug 2 to connect and fix the connecting rod 1 and the plate B9;
then, a wood tenon 11 is placed in a wood tenon 11 hole of a plate A8, the plate A8 is abutted against a plate B9, the wood tenon 11 on the plate A8 is aligned with the wood tenon 11 hole on the plate B9, a connecting rod 1 on the plate A8 is sleeved in a stop sleeve 6, a gear tooth 5 on the connecting rod 1 passes through a stop pawl 4, when the plate A8 is sufficiently close to the plate B9, the gear tooth 5 on the connecting rod 1 can be clamped on the stop pawl 4, the connecting rod 1 and the stop sleeve 6 are locked in a pulling force mode, the wood tenon 11 on the plate A8 is inserted into the wood tenon 11 hole on the plate B9, and the wood tenon 11 can ensure that the plate cannot be displaced, so that the direction of the pulling force between the connecting rod 1 and the stop sleeve 6;
the groove 12 and the mounting groove 7 are matched with a tool to facilitate mounting;
after the design board in the utility model is installed, the connecting piece 11 is hidden, and the furniture is more beautiful; when the drilling tool is installed for drilling, common processing equipment or manual drilling can be performed, high-grade mechanical equipment and a Ramiphene cutter are not needed, the cost is reduced, and the applicability is wider.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The hidden connecting piece is characterized by comprising a connecting rod, an expansion plug and a stop sleeve, wherein outer threads of the stop sleeve are arranged on the circumferential surface of the outer side of the stop sleeve, a stop pawl is arranged at one end of the stop sleeve, a groove is formed in the end surface of the other end of the stop sleeve, the connecting rod penetrates through the stop sleeve, gear teeth are fixed at one end of the connecting rod and correspondingly clamped with the stop pawl, an installation groove is formed in the end surface of one end of the connecting rod, end threads of the connecting rod are arranged at the other end of the connecting rod, the expansion plug is arranged at the other end of the connecting rod in a sleeved mode, inner threads are arranged on the inner side surface of the expansion plug and are in threaded connection with the end.
2. The concealed coupling according to claim 1, wherein the locking pawl is a frustum of a cone with a plurality of slots formed at equal angles.
3. The concealed connecting member according to claim 1, wherein the mounting groove may be any one of a cross shape, a straight shape, a square shape, and an internal hexagonal shape.
4. The hidden connecting piece as claimed in claim 1, wherein the expansion plug is any one of pre-embedded rubber particles and pre-embedded internal thread screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218000.6U CN212536345U (en) | 2020-06-27 | 2020-06-27 | Hidden connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218000.6U CN212536345U (en) | 2020-06-27 | 2020-06-27 | Hidden connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536345U true CN212536345U (en) | 2021-02-12 |
Family
ID=74546874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021218000.6U Active CN212536345U (en) | 2020-06-27 | 2020-06-27 | Hidden connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212536345U (en) |
-
2020
- 2020-06-27 CN CN202021218000.6U patent/CN212536345U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |