CN211572309U

CN211572309U - Joggle joint structure for stairs

Info

Publication number: CN211572309U
Application number: CN201921758207.XU
Authority: CN
Inventors: 曹凤平
Original assignee: Tangshan Hangu Management Zone Ruibo United Wood Co ltd
Current assignee: Tangshan Hangu Management Zone Ruibo United Wood Co ltd
Priority date: 2019-10-20
Filing date: 2019-10-20
Publication date: 2020-09-25
Anticipated expiration: 2029-10-20

Abstract

The utility model discloses a joggle structure used on stairs, which is characterized in that the joggle structure comprises a wood column and a pedal, the bottom section of the wood column is a thread tenon, and the thread tenon comprises an external thread part and a smooth tenon from top to bottom; the footboard has internal thread portion, and the external screw thread portion of screw thread tenon cooperates with the internal thread portion of footboard, and the footboard sets up on the basic unit mesa of the ladder of stair, and the smooth tenon and the basic unit mesa of screw thread tenon are connected, and the top screw thread mouth department of footboard sets up first fastening groove, and the external screw thread top of screw thread tenon corresponds with first fastening groove, and the bottom screw thread mouth department of footboard sets up the second fastening groove, and the external screw thread bottom of screw thread tenon corresponds with second fastening groove.

Description

Joggle joint structure for stairs

Technical Field

The utility model particularly relates to an advance manufacturing technology field, concretely relates to joggle structure for on stair.

Background

At present, in the building materials field, wooden structure's connection adopts iron nail connection or sticky mode usually, however the iron ore resource is non-renewable resource, adopts iron nail extravagant resource not environmental protection, and sticky mode adopts chemical materials, not environmental protection. Specifically, the traditional connection mode of the small stair column and the pedal is mainly characterized in that nails are used for connection or polished rod wood tenons are glued, the nails are used for connection for a long time and are uniformly rusted to cause connection looseness, and the nails are not attractive in connection; the polished rod wood-tenon joint is much better than the nail joint, but the polished rod wood-tenon also has many shortcomings, the quality of the stair is affected by too large or too small gaps between the wood-tenons and the stepping plates, the gaps are too small, the cracking is easily caused by long-time wood deformation, and the gaps are too large and are not firm enough and are easy to loosen.

Therefore, in view of the above-mentioned drawbacks, it is desirable to provide a joggle structure for stairs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel joggle structure for on stair to the quality that influences stair, pleasing to the eye scheduling problem are easily become flexible in the connection that exists among the solution prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a novel joggle structure, which comprises a wood column and a pedal;

the bottom section of the wood column is a threaded tenon which comprises an external threaded part and a smooth tenon from top to bottom; the footboard has internal thread portion, and the external screw thread portion of screw thread tenon cooperates with the internal thread portion of footboard, and the footboard sets up on the basic unit mesa of stair ladder, and the smooth tenon and the basic unit mesa of screw thread tenon are connected, and the top screw thread mouth department of footboard sets up first fastening groove, and the external screw thread top of screw thread tenon corresponds with first fastening groove, and the bottom screw thread mouth department of footboard sets up the second fastening groove, and the external screw thread bottom of screw thread tenon corresponds with second fastening groove.

Preferably, the light tenon structure further comprises a lining plate, wherein anti-cracking holes are formed in the position, corresponding to the internal thread portion of the pedal, of the lining plate, and the bottom end of the light tenon is located in the anti-cracking holes.

Preferably, the nominal diameter of the external thread part of the thread tenon is 27.5mm, and the length of the external thread part of the thread tenon is 20 mm.

Preferably, the thread part outside the thread tenon is formed by turning.

Preferably, the optical tenon has a diameter of 24mm and a length of 15 mm.

Preferably, the nominal diameter of the pedal internal thread part is 29mm, and the length of the pedal internal thread part is 18 mm.

Preferably, the pedal internal thread portion is formed by turning.

Preferably, the thread tenon external thread part and the pedal internal thread part are in clearance fit.

Preferably, said first abutment groove of the tread has a diameter of 29mm and a depth of 1 mm.

Preferably, the first pedal abutment groove is machined.

Preferably, said second abutment groove of the tread has a diameter of 29mm and a depth of 1 mm.

Preferably, the second pedal abutment groove is machined.

The utility model discloses at least, include following effective income effect: because of a joggle structure, the thread tenon and the pedal adopt the thread connection principle, the thread connection is a detachable fixed connection, and the joggle structure has the characteristics of simple structure and convenient disassembly and assembly, the manufactured product standard combines the advantages of the nail connection and the polished rod wood tenon connection, thereby avoiding the problems of looseness caused by easy rusting of the nail connection and cracking or looseness of the pedal caused by uncomfortable gap between the polished rod wood tenon and the pedal, leading the connection to be more beautiful, the external thread part of the thread tenon and the internal thread part of the pedal are matched in a clearance fit, the connection strength is ensured between the external thread part and the internal thread part under the condition of arranging the thread turns, the installation precision and angle are ensured under the condition of arranging the thread turns, simultaneously, the aesthetic property and the firmness of the stair are also improved, the polished tenon of the thread tenon is connected with the base table board, the stability of the matching is increased, the first tight joint groove of the pedal is used for reserving a screwing part for the top end of the external, the bottom surface of the unprocessed part of the wood column is tightly attached to the upper end surface of the pedal, the second fastening groove of the pedal is used for reserving a screwing part for the bottom end of the external thread part of the thread tenon, the lower end surface of the pedal is tightly attached to the upper end surface of the base table, the quality of the assembly process is improved, the connection is firmer and more stable,

drawings

Fig. 1 is a schematic structural view of a joggle structure used on stairs of the present invention;

fig. 2 is a schematic structural view of the joggle-joint structure wooden pillar used on stairs of the present invention.

Fig. 3 is a schematic structural view of the joggle structure pedal of the present invention used for stairs.

Fig. 4 is a schematic structural view of the joggle structure pedal and the lining board used on the stairs of the present invention.

In the figure: 1. thread tenons; 2. a pedal; 101. an external threaded portion; 102. performing smooth tenon; 201. a first fastening groove; 202. an internal thread portion; 203. a second fastening groove; 3. a liner plate; 4. anti-cracking holes; 5: and (4) wood columns.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the utility model provides a joggle structure, including post 5 and footboard 2, the base section of post is screw thread tenon 1, screw thread tenon 1 includes external screw thread portion 101 and smooth tenon 102, footboard 2 includes step 201, internal screw thread portion 202 and T type groove 203, external screw thread portion 101 of screw thread tenon 1 with the cooperation of internal screw thread portion 202 of footboard 2, the smooth tenon 102 and the mesa of basic unit of screw thread tenon 1 are connected, the first tight groove 201 and the second tight groove 203 of footboard 2 are in more place for connecting.

In the above embodiment, the screw tenon 1 and the pedal 2 adopt the screw connection principle, have the characteristics of firm and easy operation of screw connection, are convenient to disassemble and assemble, and have the advantages of standard product specification, the nail connection and the polished rod wood tenon connection are combined, so that the problems of looseness caused by easy rusting of the nail connection and cracking or looseness of the pedal 2 caused by uncomfortable connection clearance of the polished rod wood tenon and the pedal are avoided, the connection is more attractive, the external thread part 101 is matched with the internal thread part 202, the connection strength between the external thread part 101 and the internal thread part 202 is ensured under the condition of setting the number of turns of the screw thread, the installation precision and angle are ensured, the attractiveness and firmness of the stair are improved, the polished tenon 102 is connected with the base platform surface, the stability of matching is improved, and the first fastening groove 201 and the second fastening groove 203 of the pedal 2 are more in place for connection, the contact surface is made tighter, the amount of machining of the female screw portion 202 can be reduced, and the machining cost can be reduced.

Preferably, as shown in fig. 4, the pedal further comprises a lining plate 3, wherein a crack-proof hole 4 is formed in the lining plate at a position corresponding to the internal thread portion of the pedal, and the bottom end of the smooth tenon is located in the crack-proof hole. The anti-cracking holes are formed in the lining plate, so that the bottom end of the smooth tenon is prevented from cracking, and the service lives of the thread tenon 1 and the wood column are guaranteed.

Specifically, the nominal diameter of the external thread part 101 of the thread tenon is 27.5mm, the length is 20mm, the diameter of the wood column is increased on the conventional basis, and the structural firmness is improved.

Specifically, the external thread part of the thread tenon is turned by 101, which is the most common basic processing method for threads, and the used tools and equipment have high universality and can process internal and external threads with various shapes, sizes and different precisions.

Specifically, the smooth tenon 102 has a diameter of 24mm and a length of 15mm, and is used for being connected with the base table top to increase the firmness of the base table top.

Specifically, the nominal diameter of the pedal internal thread portion 202 is 29mm, and the length is 18mm, so that the pedal internal thread portion is perfectly combined with the pedal 2, the thread machining amount is reduced, and the machining cost is reduced.

Specifically, the pedal internal thread portion 202 is formed by turning.

Specifically, the first pedal fastening groove 201 is 29mm in diameter and 1mm deep and is located at the top threaded opening of the pedal.

Specifically, the first pedal fastening groove 201 is formed by turning.

Specifically, the diameter of the second pedal fastening groove 203 is 29mm, the depth thereof is 1mm, the second pedal fastening groove is located at the bottom threaded opening of the pedal and is combined with the first pedal fastening groove 201, so that the pedal 2 is connected with the threaded tenon 1 more in place, the contact surface is tighter, and the processing amount of the threaded part 202 of the pedal is reduced.

Specifically, the second pedal fastening groove 203 is machined by turning, so that the machining is simple, and the machining cost can be reduced.

To sum up, the joggle structure provided by the application has the following advantages through specific example tests:

1. the diameter of the wooden column is increased on the conventional basis, and the structural stability is improved.

2. Carry out screw thread design processing to post and stair tread, the footboard internal thread, the wood tenon external screw thread all operates according to the mode of screw thread technology processing strictly, has guaranteed the machining precision and the intensity of product, has the characteristics of the firm easy operation of threaded connection, easy dismounting, the product specification standard of making.

3. The threaded tenon is adopted to connect the small stair column and the tread plate, so that the connection strength can be ensured under the condition of clearance, and the problem of connection caused by the uncomfortable clearance between the polished rod wood tenon and the tread plate is effectively solved.

4. The precision and the angle of the small column of the stair are ensured under the condition of setting the number of turns of the thread, and the attractiveness and the firmness of the stair are improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A joggling structure for stairs is characterized by comprising a wood column and a pedal, wherein the bottom section of the wood column is a threaded tenon which comprises an external threaded part and a smooth tenon from top to bottom; the footboard has internal thread portion, the external screw thread portion of screw thread tenon with the internal thread portion cooperation of footboard, the footboard sets up on the basic unit mesa of stair ladder, the smooth tenon and the basic unit mesa of screw thread tenon are connected, the top screw thread mouth department of footboard sets up first fastening groove, the external screw thread top of screw thread tenon with first fastening groove corresponds.

2. A mortise construction for use on stairs as claimed in claim 1, wherein: and a second fastening groove is formed at a threaded opening at the bottom of the pedal, and the bottom end of the external thread of the threaded tenon corresponds to the second fastening groove.

3. The joggle structure used on the stairs of claim 1 or 2, further comprising a lining board, wherein the position of the lining board corresponding to the internal thread part of the pedal is provided with an anti-cracking hole, and the bottom end of the smooth tenon is positioned in the anti-cracking hole.

4. A mortise construction for use on stairs as claimed in claim 1, wherein: and the base layer table top and the optical tenon corresponding positions are provided with optical tenon butt-joint grooves.

5. A mortise construction for use on stairs as claimed in claim 1, wherein: the top end of the wood column is connected with a handrail of the stair.

6. A mortise construction for use on stairs as claimed in claim 1, wherein: the nominal diameter of the external thread part of the thread tenon is 27.5mm, and the length of the external thread part of the thread tenon is 20 mm; the external thread part of the thread tenon is formed by turning.

7. A mortise construction for use on stairs as claimed in claim 1, wherein: the smooth tenon is 24mm in diameter and 15mm in length.

8. A mortise construction for use on stairs as claimed in claim 1, wherein: the nominal diameter of the pedal internal thread part is 29mm, and the length of the pedal internal thread part is 18 mm; the internal thread part of the pedal is formed by turning.

9. A mortise construction for use on stairs as claimed in claim 1, wherein: the thread tenon external thread part and the pedal internal thread part are in clearance fit.

10. A mortise construction for use on stairs as claimed in claim 2, wherein: the diameter of the first fastening groove is 29mm, and the depth of the first fastening groove is 1 mm; the first fastening groove is formed by turning; the diameter of the second close groove is 29mm, and the depth of the second close groove is 1 mm; the second fastening groove is formed by turning.