CN212297178U

CN212297178U - Connecting structure

Info

Publication number: CN212297178U
Application number: CN202020192354.1U
Authority: CN
Inventors: 冯文锦; 林君伟; 秦龙海; 樊凯斌; 周泽旺; 吴少平; 江宏栩
Original assignee: Guangzhou Fourth Construction Co ltd
Current assignee: Guangzhou Fourth Construction Co ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2021-01-05
Anticipated expiration: 2030-02-20

Abstract

The utility model relates to a technical field is connected to the part, especially relates to a connection structure. The clamping pin type connector comprises a first connecting part and a second connecting part, wherein a slot for the second connecting part to insert is formed in the first connecting part, the first connecting part is provided with protrusions used for forming two opposite side walls of the slot, clamping pins are assembled on the protrusions in a guiding and sliding mode, two ends of each clamping pin penetrate through the protrusions, and a clamping groove for the clamping pins to insert is formed in the second connecting part; be provided with in the arch and hold the chamber, it installs the elastic component to hold the intracavity, the one end of elastic component is fixed with the inner wall that holds the chamber, the other end is fixed with the bayonet lock, the elastic component is used for driving the bayonet lock and slides to the inboard so that the bayonet lock can insert in the draw-in groove of second connecting portion under the normal state. The utility model discloses a connection structure has made things convenient for the connection and the dismantlement of two parts to higher joint strength has been had, the needs that the construction bore have been satisfied.

Description

Connecting structure

Technical Field

The utility model relates to a technical field is connected to the part, especially relates to a connection structure.

Background

In daily life, temporary supports are often required to be erected, for example, in the process of constructing a conical roof of a silo, formwork supporting systems are required to be erected, the formwork supporting systems generally comprise inclined supporting rods inclined upwards, the inclined supporting rods are often in a multi-section form, in order to ensure the supporting strength of the inclined supporting rods, any two adjacent sections are required to be connected through a connecting structure with high strength, and in order to facilitate the recovery of the formwork supporting systems, the connecting structure is further required to have the characteristic of convenience in installation and disassembly, but in the prior art, a connecting structure specially used for splicing the inclined supporting rods is not provided, so that inconvenience is caused to the construction of the formwork supporting systems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure for solve and lack a connection structure who is used for the formwork system specially among the prior art, make the technical problem that the inclined support pole can not install fast and dismantle.

In order to achieve the above object, the utility model provides a connection structure adopts following technical scheme:

a connecting structure comprises a first connecting part and a second connecting part, wherein a slot for the second connecting part to insert is formed in the first connecting part, the first connecting part is provided with bulges used for forming two opposite side walls of the slot, clamping pins are assembled on the bulges in a guiding and sliding manner, two ends of each clamping pin penetrate out of the bulges, and a clamping groove for the clamping pins to insert is formed in the second connecting part; be provided with in the arch and hold the chamber, it installs the elastic component to hold the intracavity, the one end of elastic component is fixed with the inner wall that holds the chamber, the other end is fixed with the bayonet lock, the elastic component is used for driving the bayonet lock and slides to the inboard so that the bayonet lock can insert in the draw-in groove of second connecting portion under the normal state.

Furthermore, a first limiting piece is arranged on the outer peripheral side of the bayonet lock, the first limiting piece is located inside the accommodating cavity, and the first limiting piece is used for being blocked with the inner wall of the accommodating cavity so as to prevent the bayonet lock from being pulled out of the protrusion.

Furthermore, one end of the elastic part is fixed with the inner wall of the accommodating cavity, and the other end of the elastic part is fixed with the first limiting part.

Further, the elastic element is a spring, and the spring is sleeved on the outer periphery of the bayonet lock.

Furthermore, one end of the bayonet lock, which faces the bayonet lock, is provided with a second limiting piece, and the second limiting piece is used for being mutually blocked with the outer surface of the protrusion so as to prevent the end part of the bayonet lock from being pulled into the accommodating cavity.

Furthermore, a concealing groove for concealing the second limiting part is arranged on the outer surface of the protrusion.

Furthermore, the clamping pins are multiple and arranged at intervals along the extending direction of the inserting groove.

Furthermore, the bayonet lock divide into integrated bayonet lock and independent bayonet lock, integrated bayonet lock includes a plurality of little bayonet locks, and the one end that each little bayonet lock deviates from the slot all concatenates as an organic wholely.

Furthermore, the slot is a blind slot, a clamping block is embedded in the slot and used for embedding the clamping block to a gap formed between the second connecting part and the side wall of the slot.

Further, the first connecting portion and the second connecting portion are both hollow structures.

The embodiment of the utility model provides a connection structure compares with prior art, and its beneficial effect lies in: by adopting the connection structure of the utility model, when two parts are required to be connected, the second connection part is firstly inserted into the slot on the first connection part, at the moment, each slot arranged on the bulge needs to be pulled outwards manually, after the connection structure is inserted into the slot, each bayonet lock is released, and each bayonet lock can be inserted into the corresponding slot under the action of the elastic piece, thereby realizing the connection and fixation of the first connection part and the second connection part; when first connecting portion and second connecting portion need the split, need at first extract each bayonet lock from the draw-in groove that corresponds, then can extract second connecting portion from the slot. The utility model discloses a connection structure has made things convenient for the connection and the dismantlement of two parts to higher joint strength has been had, the needs that the construction bore have been satisfied.

Drawings

Fig. 1 is a schematic top view of a formwork system according to an embodiment of the present invention;

fig. 2 is a schematic side view of a formwork system according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view at C-C of FIG. 2;

fig. 4 is a schematic diagram of a connection state of the connection structure according to the embodiment of the present invention.

In the figure, 1-a first connecting part, 2-a second connecting part, 3-a bayonet, 301-an integrated bayonet, 302-an independent bayonet, 4-a bayonet, 5-an elastic part, 6-a first limiting part, 7-a second limiting part, 8-a containing cavity, 9-a bulge, 10-a hidden groove and 11-a bayonet block.

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.

As shown in fig. 1 to 4, a connection structure according to a preferred embodiment of the present invention is provided. The connecting structure comprises a first connecting part 1 and a second connecting part 2, wherein a slot for the second connecting part 2 to insert is formed in the first connecting part 1, the first connecting part 1 is provided with a bulge 9 used for forming two opposite side walls of the slot, a bayonet pin 3 is assembled on the bulge 9 in a guiding and sliding manner, two ends of the bayonet pin 3 penetrate through the bulge 9, and a clamping groove 4 for the bayonet pin 3 to insert is formed in the second connecting part 2; be provided with in the arch 9 and hold the chamber 8, hold and be installed elastic component 5 in the chamber 8, the one end of elastic component 5 is fixed with the inner wall that holds the chamber 8, the other end is fixed with bayonet lock 3, elastic component 5 is used for driving bayonet lock 3 and slides to the inboard to make bayonet lock 3 can insert in the draw-in groove 4 of second connecting portion 2 under the normality.

Specifically, the connecting structure in this embodiment is applied to a formwork system, the formwork system is used for supporting a conical roof of a silo, the formwork system includes a plurality of inclined support rods arranged at intervals along a circumferential direction, the inclined support rods in this embodiment are in a segmented structure, and the segments of the inclined support rods are connected and fixed through the connecting structure.

As shown in fig. 3 and 4, the connection structure in the present embodiment includes a first connection portion 1 and a second connection portion 2, and both the first connection portion 1 and the second connection portion 2 are prism-shaped. Be provided with the slot in this embodiment on first connecting portion 1, the cross section of slot is the rectangle, and the slot setting is arranged on one side of first connecting portion 1 and extends along the extending direction of first connecting portion 1, and with the shape assorted of slot, the whole cuboid form that is of second connecting portion 2 in this embodiment, after first connecting portion 1 inserts in the slot, the notch parallel and level of side and slot of first connecting portion 1 outside facing. In order to reduce the self weight of the first connecting portion 1 and the second connecting portion 2, the first connecting portion 1 and the second connecting portion 2 are both hollow structures in the present embodiment.

The bulges 9 used for forming the groove walls on the two sides of the slot are arranged on the first connecting part 1 in the embodiment, the bayonet pins 3 are assembled on the bulges 9 in a sliding mode, the two ends of the bayonet pins 3 penetrate out of the bulges 9, and the extending direction of the bayonet pins 3 is perpendicular to the extending direction of the first connecting part 1 in the embodiment. In this embodiment, a locking groove 4 into which an end of the locking pin 3 is inserted is provided on an outer surface of the second connecting portion 2. In this embodiment, two protrusions 9 are arranged on the first connecting portion 1, the two protrusions 9 are oppositely arranged and are guided to be assembled with the bayonet pins 3, and correspondingly, the two opposite side surfaces of the second connecting portion 2 are provided with clamping grooves 4 for inserting the bayonet pins 3.

In this embodiment, the accommodating cavity 8 is formed in the protrusion 9, and the accommodating cavity 8 and the inside of the first connecting portion 1 are hollow and are communicated to form an integral cavity. In this embodiment, the accommodating cavity 8 of each protrusion 9 is provided with an elastic member 5, the elastic member 5 is specifically a spring, and the elastic member 5 is sleeved on the outer peripheral side of the corresponding bayonet pin 3. Since both ends of the bayonet pin 3 penetrate through the protrusions 9, in order to avoid the situation that the bayonet pin 3 is pulled out from the protrusions 9, in this embodiment, the first limiting member 6 is disposed on the outer peripheral side of the bayonet pin 3, the first limiting member 6 is an annular baffle disposed on the outer peripheral side of the bayonet pin 3, and the first limiting member 6 can be blocked with the inner cavity wall of the accommodating cavity 8, so that the situation that the bayonet pin 3 is pulled out is avoided. One end of the elastic element 5 is fixedly connected with the cavity wall of the accommodating cavity 8 facing the slot, and the other end of the elastic element is fixedly connected with the first limiting element 6, in this embodiment, the elastic element 5 is specifically a tension spring, and the elastic element 5 can drive the first limiting element 6 to move towards one side of the slot when the bayonet lock 3 does not receive the action of external force, so that the bayonet lock 3 can be always inserted into the clamping groove 4 of the second connecting part 2 in a normal state.

In order to prevent the end of the bayonet pin 3 from being pulled into the accommodating cavity 8, in this embodiment, a second limiting member 7 is further integrally disposed at one end of the bayonet pin 3 facing the slot, the second limiting member 7 is a bayonet pin head disposed at the end of the bayonet pin 3, the bayonet pin head is similar to a bolt head, and the bayonet pin head can be blocked with the outer surface of the protrusion 9, so that the situation that the end of the bayonet pin 3 inserted into the bayonet slot 4 is pulled into the accommodating cavity 8 is avoided.

In order to make things convenient for second connecting portion 2 to insert the slot smoothly, still be provided with hidden groove 10 on protruding 9's the surface in this embodiment, hidden groove 10 sets up in the position department that corresponds with the bayonet lock head, when outside (deviating from slot one side) bayonet lock 3, the bayonet lock head of bayonet lock 3 can insert in hidden groove 10 to make the inside wall of slot keep the parallel and level, made things convenient for the insertion of first connecting portion 1.

In the present embodiment, a plurality of pins 3 are guided and fitted to the respective projections 9, and as shown in fig. 4, the pins 3 are arranged at intervals along the extending direction of the first coupling portion 1. Bayonet lock 3 can be divided into integrated bayonet lock 301 and independent bayonet lock 302 in this embodiment, and wherein integrated bayonet lock 301 includes a plurality of little bayonet locks, all installs elastic component 5 on each little bayonet lock, and each little bayonet lock is used for all concatenating as an organic whole towards the tip of outside, and is concrete, and the mode of concatenating can be for concatenating through the connecting rod, and the tip of each little bayonet lock is welded fastening on same connecting rod promptly. The independent detents 302 in this embodiment may be considered as a single small detent. The arrangement of the integrated bayonet pins in the embodiment facilitates the simultaneous insertion of a plurality of bayonet pins into the corresponding bayonet slots.

The slot in this embodiment is a blind slot, in order to make the connection structure more compact, the slot is further embedded with a block 11 in this embodiment, specifically, after the second connection portion 2 in this embodiment is inserted into the slot, a certain distance interval exists between the end of the second connection portion 2 and the end seal of the slot, in order to avoid the situation that the second connection portion 2 moves along the distance interval, a block 11 needs to be embedded at the cover distance interval, and the block 11 in this embodiment is specifically a block wood column.

The utility model discloses a working process does: when the inclined supporting rod of the formwork system is spliced, the second connecting part 2 is inserted into the slot on the first connecting part 1, at the moment, the clamping pins 3 on the first connecting part 1 are correspondingly inserted into the clamping slots 4 of the second connecting part 2, and then the clamping block 11 is embedded into the slot; when the formwork system needs to be recovered, each clamping pin 3 is firstly pulled outwards, the clamping pin head of each clamping pin 3 is inserted into the hidden groove 10, and at the moment, the second connecting part 2 can be pulled out from the inserting groove.

To sum up, the embodiment of the utility model provides a connection structure, it has made things convenient for the connection and the dismantlement of two parts to have higher joint strength (through the bayonet lock 3 that sets up reasonable quantity can), satisfied the needs that the construction bore.

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 replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A connecting structure characterized in that: the clamping device comprises a first connecting part (1) and a second connecting part (2), wherein a slot for the second connecting part (2) to insert is formed in the first connecting part (1), the first connecting part (1) is provided with protrusions (9) used for forming two opposite side walls of the slot, a clamping pin (3) is assembled on the protrusions (9) in a guiding sliding mode, two ends of the clamping pin (3) penetrate through the protrusions (9), and a clamping groove (4) for the clamping pin (3) to insert is formed in the second connecting part (2); be provided with in arch (9) and hold chamber (8), install elastic component (5) in holding chamber (8), the one end of elastic component (5) is fixed with the inner wall that holds chamber (8), the other end is fixed with bayonet lock (3), elastic component (5) are used for driving bayonet lock (3) to slide to the inboard to make bayonet lock (3) can insert in draw-in groove (4) of second connecting portion (2) under the normality.

2. The connection structure according to claim 1, wherein: the outer peripheral side of the bayonet lock (3) is provided with a first limiting piece (6), the first limiting piece (6) is located inside the accommodating cavity (8), and the first limiting piece (6) is used for being blocked with the inner wall of the accommodating cavity (8) so as to prevent the bayonet lock (3) from being pulled out of the protrusion (9).

3. The connection structure according to claim 2, wherein: one end of the elastic piece (5) is fixed with the inner wall of the accommodating cavity (8), and the other end of the elastic piece is fixed with the first limiting piece (6).

4. The connection structure according to claim 3, wherein: the elastic piece (5) is a spring, and the spring is sleeved on the periphery of the bayonet lock (3).

5. The connection structure according to claim 1, wherein: one end, used for facing the clamping groove (4), of the clamping pin (3) is provided with a second limiting part (7), and the second limiting part (7) is used for being mutually blocked with the outer surface of the protrusion (9) so as to prevent the end part of the clamping pin (3) from being pulled into the accommodating cavity (8).

6. The connection structure according to claim 5, wherein: and a concealing groove (10) for concealing the second limiting piece (7) is arranged on the outer surface of the bulge (9).

7. The connection structure according to claim 1, wherein: the clamping pins (3) are multiple, and the clamping pins (3) are arranged at intervals along the extending direction of the slot.

8. The connection structure according to claim 7, wherein: bayonet lock (3) divide into integrated bayonet lock (301) and independent bayonet lock (302), integrated bayonet lock (301) include a plurality of little bayonet locks, and the one end that each little bayonet lock deviates from the slot all concatenates as an organic whole.

9. The connection structure according to claim 1, wherein: the slot is a blind slot, a clamping block (11) is embedded in the slot, and the clamping block (11) is used for being embedded in a gap formed between the second connecting part (2) and the side wall of the slot.

10. The connection structure according to claim 1, wherein: the first connecting portion (1) and the second connecting portion (2) are both of a hollow structure.