CN112942964A

CN112942964A - Central lock for folding tent

Info

Publication number: CN112942964A
Application number: CN202110285893.9A
Authority: CN
Inventors: 吴国祥
Original assignee: Ningbo Mandao Leisure Products Co ltd
Current assignee: Ningbo Mandao Leisure Products Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-06-11

Abstract

The invention discloses a central lock for a folding tent, which is characterized by comprising a lock rod, a top disc, a chassis seat and a rotating seat, wherein an elastic clamping piece is abutted against a clamping table of the lock rod to lock the clamping table in a lock groove, so that the unfolding state of the folding tent is locked; then, adopt the intraoral structure of card that struts the arm and strut the arm and stretch into the elasticity fastener on roating seat, the roating seat for rotate the roating seat, make the arm motion of strutting strut the elasticity fastener and break away from the unblock in order to reach the ka tai and elasticity fastener, overall structure is simple, and elasticity fastener and the cooperation of strutting the arm are stable, and unblock stability is high.

Description

Central lock for folding tent

Technical Field

The invention relates to the technical field of folding tent parts, in particular to a central lock for a folding tent.

Background

The tent generally comprises a foldable tent frame and tent cloth, wherein the tent frame comprises a top tent frame and a plurality of supporting legs, the supporting legs are used for supporting the top tent frame, and the tent cloth covers the top tent frame, so that the effects of shading sun, shielding rain or shielding wind are realized; at present, the existing locking mechanism is mainly a button type unlocking structure, wherein the button type unlocking structure adopts a button and an elastic piece for applying elastic force to the button to achieve the purpose of locking the tent, but the structure not only makes the whole unfolding locking mechanism relatively complex, but also needs to be additionally provided with structures such as button keys and the like in the unlocking process, the whole appearance is influenced, and the unlocking stability is poor.

Disclosure of Invention

The invention aims to provide a central lock for a folding tent, which aims to solve the problems of complex unlocking structure and low unlocking stability in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme that the central lock for the folding tent comprises a lock rod, a top disc, a chassis base and a rotating base, wherein the upper end of the lock rod is fixedly connected with the top disc, a clamping table is integrally arranged at the bottom of the lock rod, a central hole column through which the lock rod can pass is arranged on the chassis base, the bottom of the chassis base is connected with the lock disc, a lock groove matched with the clamping table is formed in the lock disc, an elastic clamping piece with a bayonet is arranged at the position, corresponding to the lock groove, of the lock disc, and the elastic clamping piece is abutted and locked with the bayonet after the lock rod sequentially passes through the central hole column and the bayonet and extends into the lock groove; the revolving seat and chassis seat rotatable coupling, an organic whole is equipped with the arm of strutting on this revolving seat, the lock dish corresponds to the arm of strutting and sets up and to hold the stroke groove that the arm of strutting rotates and moves along with the revolving seat, and the arm of strutting stretches into the bayonet socket from the stroke groove in, drives the arm of strutting through rotating the revolving seat and struts the bayonet socket and make ka tai and bayonet socket break away from the unblock.

Compared with the prior art, the invention has the beneficial effects that: the elastic clamping piece is abutted against the clamping table of the lock rod to lock the clamping table in the lock groove, so that the unfolding state of the tent is locked; then, adopt the intraoral structure of card that struts the arm and strut the arm and stretch into the elasticity fastener on roating seat, the roating seat for rotate the roating seat, make the arm motion of strutting strut the elasticity fastener and break away from the unblock in order to reach the ka tai and elasticity fastener, overall structure is simple, and elasticity fastener and the cooperation of strutting the arm are stable, and unblock stability is high.

Preferably, an organic whole is equipped with spacing post in the chassis seat, the tip of elasticity fastener is established respectively on each spacing post, just the screw has been worn respectively to lock dish corresponding each spacing post punishment, the screw that corresponds has been opened respectively to the bottom of spacing post, the lock dish passes through screw, spacing post and chassis seat fixed connection, and spacing post can play limiting displacement to the elasticity fastener, prevents that the elasticity fastener from shifting along with strutting the arm motion, influences the stability of unblock.

Preferably, elastic element includes two parallel arrangement's locking pole, form the bayonet socket between these two locking poles, and simultaneously, the closed buffering head that forms is connected with the one end of two locking poles, the other end of two locking poles is the integrative torsional spring structure that forms respectively, the buffering head can cushion the damage that the locking pole produced at the deformation in-process, and simultaneously, the torsional spring structure can improve the elasticity of locking pole, when strutting the arm and strutting the bayonet socket, the torsional spring structure can turn into torsional spring structure's the torsion elasticity with the effort that the locking pole warp the production, avoid the locking pole to receive the power after long-time work to warp, protect the locking pole, further improve the life of elasticity fastener.

Preferably, the buffering head comprises an arc-shaped rod, two ends of the arc-shaped rod are respectively and integrally connected with the end part of the locking rod, and the limiting columns are respectively arranged inside the torsion spring structure in a penetrating mode.

Preferably, the buffering head includes two arc poles, two curved transition poles, a butt joint pole, wherein, the arc pole is established respectively in one side of two lock levers, the one end of arc pole is passed through transition pole and the integrative butt joint of lock lever, and the other end of these two arc poles passes through butt joint pole an organic whole and is connected, the inside of buffering head both sides and the inside of torsional spring structure are worn to establish respectively by spacing post.

Preferably, elastic element includes two parallel arrangement's locking pole, forms the bayonet socket between these two locking poles, simultaneously, the one end of one of them locking pole and the other end that another locking pole is relative are formed integrally respectively and are had a torsional spring structure, and this torsional spring structure cup joints on the spacing post that corresponds, and the torsional spring structure can be turned into the elasticity of torsional spring structure with the effort that the locking pole warp the production, avoids locking pole atress after long-time work to warp, protects the locking pole, further improves the life of elasticity fastener.

Preferably, the torsional spring structure includes bushing portion and torsion arm, forms the contained angle between this torsion arm and the locking pole, and the tip of torsion arm offsets with the inner wall of chassis seat, offsets through the inner wall of torsion arm and chassis seat and makes the torsional spring structure produce elasticity when the locking pole warp, protection locking pole.

Preferably, the distance between the two parallel locking rods is smaller than the size of the clamping table, so that the elastic clamping piece can be used for locking the clamping table.

Preferably, the quantity of the arm that struts is 1, the block platform offsets the closure with one of them lock pole, rotates toward the block platform direction that offsets with the lock pole through with the roating seat, drives the arm that struts and struts the lock pole that corresponds for lock pole and the separation of block platform realize the unblock effect.

Preferably, an organic whole is equipped with the arm that struts of two symmetries on the roating seat, the ka tai all offsets the closure with two lock poles, the stroke groove corresponds and struts the arm symmetry and sets up in the both sides of locked groove, struts the both sides that the arm is located the locked groove promptly, consequently, no matter clockwise or anticlockwise rotate the roating seat and can both strut the bayonet socket fast to ka tai department for locking lever and ka tai separation reach quick unblock effect.

Preferably, the lower end surface of the clamping table is spherical, so that the locking rod can conveniently enter the locking groove from the elastic clamping piece and be abutted against the clamping table by the elastic clamping piece to lock the locking rod.

Preferably, the top of the strutting arm is integrally formed with a trapezoidal clamping block, and a limiting part is formed between the two ends of the bottom of the trapezoidal clamping block and the strutting arm, so that the rotating seat can prevent the elastic clamping piece from being separated from the strutting arm regardless of clockwise rotation or anticlockwise rotation, and the unlocking stability is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of the elastic card media of embodiment 1 of the invention;

FIG. 4 is a structural diagram of a chassis base according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of the elastic card media of embodiment 2 of the invention;

FIG. 6 is an exploded view of embodiment 3 of the present invention;

fig. 7 is a schematic structural view of the elastic card media according to embodiment 3 of the invention;

FIG. 8 is an enlarged view of a portion of the locking bar engaging platform of embodiment 4 of the present invention;

in the figure: 1. a lock lever; 1-1, clamping table; 2. a top tray; 3. a chassis base; 3-1, a central hole column; 3-2, a limiting column; 3-3, screw holes; 4. a rotating base; 4-1, a distraction arm; 4-2, trapezoidal fixture blocks; 4-3, anti-skid lines; 5. a lock disc; 5-1, locking the groove; 5-2, a stroke groove; 6. the elastic clamping piece; 6-1, bayonet; 6-2, locking rod; 6-3, buffer head; 6-3-1, arc-shaped rods; 6-3-2, a transition rod; 6-3-3, a butt joint rod; 6-4, torsion spring structure; 6-4-1, sleeve part; 6-4-2, torsion arm; 7. a screw; 8. and (4) hanging hooks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Detailed description of the preferred embodiment 1

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a folding tent is with central fast, includes locking lever 1, overhead gage 2, chassis seat 3 and roating seat 4, wherein, the upper end and the overhead gage 2 fixed connection of locking lever 1, the lower tip and the chassis seat 3 separable connection of this locking lever 1, in order to make the central lock can lock the state of expansion that keeps the tent, specifically adopt:

a clamping table 1-1 is integrally formed at the bottom of the lock rod 1, and the bottom end surface of the clamping table 1-1 is spherical; a central hole column 3-1 capable of allowing the lock rod 1 to pass through is integrally arranged on the chassis base 3, a lock disc 5 is fixedly connected to the bottom of the chassis base 3, a lock groove 5-1 matched with the clamping table 1-1 is formed below the lock disc 5 corresponding to the central hole column 3-1, an elastic clamping piece 6 is arranged on the lock disc 5 corresponding to the lock groove 5-1, the elastic clamping piece 6 is provided with a bayonet 6-1, the lock rod 1 sequentially passes through the central hole column 3-1 and the bayonet 6-1 and then extends into the lock groove 5-1, at the moment, the elastic clamping piece 6 is abutted against the clamping table 1-1 and is difficult to separate, the lock rod 1 is locked by the elastic clamping piece 6, and the spherical shape of the clamping table 1-1 is convenient for the lock rod 1 to enter the lock groove 5-1 from the elastic clamping piece 6 and abut against the clamping table 1-1 by the elastic clamping piece 6 and lock the lock rod 1;

the chassis base 3 is internally and integrally provided with limiting columns 3-2, the end parts of the elastic clamping pieces 6 are respectively sleeved on the limiting columns 3-2, the positions of the lock disc 5, corresponding to the limiting columns 3-2, are respectively penetrated with screws 7, the bottoms of the limiting columns 3-2 are respectively provided with corresponding screw holes 3-3, the lock disc 5 is fixedly connected with the chassis base 3 through the screws 7 and the limiting columns 3-2, and the limiting columns 3-2 can limit the elastic clamping pieces 6 and prevent the elastic clamping pieces 6 from shifting along with the movement of the opening arms 4-1 to influence the unlocking stability;

the elastic element comprises two locking rods 6-2 which are arranged in parallel, a bayonet 6-1 is formed between the two locking rods 6-2, in order to ensure that the elastic clamping piece 6 can be abutted against a clamping strip to achieve a locking state, the distance between the two parallel locking rods 6-2 is smaller than the size of a clamping table 1-1, meanwhile, the same ends of the two locking rods 6-2 are connected and closed to form a buffering head 6-3, the other ends of the two locking rods 6-2 are respectively integrally formed into a torsion spring structure 6-4, the buffering head 6-3 comprises an arc-shaped rod 6-3-1, the two ends of the arc-shaped rod 6-3-1 are respectively and integrally connected with the end parts of the locking rods 6-2, and the limiting columns 3-2 are respectively arranged in the torsion spring structure 6-4 in a penetrating manner, the buffer head part 6-3 can buffer damage of the locking rod 6-2 in the deformation process, meanwhile, the torsional spring structure 6-4 can improve elasticity of the locking rod 6-2, when the opening arm 4-1 opens the bayonet 6-1, the torsional spring structure 6-4 can convert acting force generated by deformation of the locking rod 6-2 into torsional elasticity of the torsional spring structure 6-4, stress deformation of the locking rod 6-2 after long-time working is avoided, the locking rod 6-2 is protected, and the service life of the elastic clamping piece 6 is further prolonged.

The torsion spring structure 6-4 comprises a sleeve part 6-4-1 and a torsion arm 6-4-2, an included angle is formed between the torsion arm 6-4-2 and the locking rod 6-2, the end part of the torsion arm 6-4-2 is abutted against the inner wall of the chassis base 3, and the torsion arm 6-4 is abutted against the inner wall of the chassis base 3 to enable the torsion spring structure 6-4 to generate elasticity when the locking rod 6-2 deforms, so that the locking rod 6-2 is protected;

in addition, a trapezoidal clamping block 4-2 is integrally formed at the top of the opening arm 4-1, and a limiting part is formed between the two ends of the bottom of the trapezoidal clamping block 4-2 and the opening arm 4-1, so that the elastic clamping piece 6 can be prevented from being separated from the opening arm 4-1 by the rotating seat 4 regardless of clockwise rotation or anticlockwise rotation, and the unlocking stability is improved;

in order to achieve a stable unlocking effect, the rotating seat 4 can be rotatably connected below the chassis seat 3, anti-skid grains 4-3 are uniformly arranged on the outer wall of the rotating seat 4, the rotating seat 4 is provided with a spreading arm 4-1, the lock disc 5 is provided with a stroke groove 5-2 corresponding to the spreading arm 4-1 and capable of accommodating the spreading arm 4-1 to move along with the rotation of the rotating seat 4, the spreading arm 4-1 extends into the bayonet 6-1 from the stroke groove 5-2, and the rotating seat 4 is rotated to drive the spreading arm 4-1 to spread the bayonet 6-1 so that the bayonet 6-1 and the clamping table 1-1 are separated and unlocked, so that the unlocking effect is achieved;

in the embodiment, two symmetrical opening arms 4-1 are integrally arranged on the rotary seat 4, the clamping table 1-1 is abutted against and locked with the two locking rods 6-2, the stroke groove 5-2 is symmetrically arranged on two sides of the locking groove 5-1 corresponding to the opening arms 4-1, namely the opening arms 4-1 are positioned on two sides of the locking groove 5-1, therefore, the rotary seat 4 can quickly open the clamping table 6-1 aiming at the clamping table 1-1 by rotating clockwise or anticlockwise, so that the locking rod 1 is separated from the clamping table 1-1, and the quick unlocking effect is achieved.

In addition, the integrative joint portion that opens of bottom face of roating seat 4, the bottom face department of this roating seat 4 has couple 8 through joint portion joint, the user equipment and the unblock of being convenient for.

Specific example 2

As shown in fig. 5, the difference between the present embodiment and embodiment 1 is that the buffering head 6-3 of the elastic element includes two arc-shaped rods 6-3-1, two arc-shaped transition rods 6-3-2, and one docking rod 6-3-3, wherein the arc-shaped rods 6-3-1 are respectively disposed at one side of two locking rods 6-2, one end of the arc-shaped rod 6-3-1 is integrally docked with the locking rod 6-2 through the transition rod 6-3-2, the other ends of the two arc-shaped rods 6-3-1 are integrally connected through the docking rod 6-3-3, and the limiting posts 3-2 are respectively inserted into the buffering head 6-3 and the torsion spring structure 6-4.

Specific example 3

As shown in fig. 6-7, the present embodiment is different from embodiment 1 in that the elastic element includes two parallel locking rods 6-2, a bayonet 6-1 is formed between the two locking rods 6-2, meanwhile, one end of one locking rod 6-2 and the other end opposite to the other locking rod 6-2 are respectively and integrally formed with a torsion spring structure 6-4, the torsion spring structure 6-4 includes a sleeve portion 6-4-1 and a torsion arm 6-4-2, an included angle is formed between the torsion arm 6-4-2 and the locking rod 6-2, an end of the torsion arm 6-4-2 abuts against an inner wall of the chassis base 3, and a limiting column 3-2 is respectively inserted through the sleeve portion 6-4-1 for limiting, the torsion spring structure 6-4 can prevent the locking rod 6-2 from deforming such as bending, protect the locking rod 6-2 and further prolong the service life of the elastic clamping piece 6.

Specific example 4

As shown in fig. 8, the difference between the present embodiment and embodiment 1 is that the number of the opening arms 4-1 is 1, the clamping table 1-1 abuts against one of the locking rods 6-2 for locking, and the rotating base 4 is rotated toward the clamping table 1-1 abutting against the locking rod 6-2 to drive the opening arms 4-1 to open the corresponding locking rods 6-2, so that the locking rods 6-2 are separated from the clamping table 1-1, thereby achieving the unlocking effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A central lock for a folding tent is characterized by comprising a lock rod (1), a top plate (2), a chassis base (3) and a rotating base (4), wherein the upper end of the lock rod (1) is fixedly connected with the top plate (2), a clamping table (1-1) is integrally arranged at the bottom of the lock rod (1), a central hole column (3-1) through which the lock rod (1) can penetrate is arranged on the chassis base (3), a lock plate (5) is connected with the bottom of the chassis base (3), a lock groove (5-1) matched with the clamping table (1-1) is arranged on the lock plate (5), an elastic clamping piece (6) with a bayonet (6-1) is arranged at a position on the lock plate (5) corresponding to the lock groove (5-1), the lock rod (1) sequentially penetrates through the central hole column (3-1) and the bayonet (6-1) and extends into the lock groove (5-1), the elastic clamping piece (6) is pressed against and locked with the bayonet (6-1); the rotary seat (4) is rotatably connected with the chassis seat (3), the rotary seat (4) is integrally provided with an opening arm (4-1), the lock disc (5) is provided with a stroke groove (5-2) corresponding to the opening arm (4-1) and capable of accommodating the movement of the opening arm (4-1) along with the rotation of the rotary seat (4), the opening arm (4-1) extends into the bayonet (6-1) from the stroke groove (5-2), and the rotary seat (4) is rotated to drive the opening arm (4-1) to open the bayonet (6-1) so that the clamping table (1-1) and the bayonet (6-1) are separated and unlocked.

2. The central lock for the folding tent according to claim 1, wherein a limiting column (3-2) is integrally arranged in the chassis base (3), the end of the elastic clamping piece (6) is respectively sleeved on each limiting column (3-2), a screw (7) is respectively penetrated at the position of the lock disc (5) corresponding to each limiting column (3-2), the bottom of each limiting column (3-2) is provided with a corresponding screw hole (3-3), and the lock disc (5) is fixedly connected with the chassis base (3) through the screw (7) and the limiting column (3-2).

3. The central lock for the folding tent as claimed in claim 2, wherein the elastic member comprises two parallel locking rods (6-2), a bayonet (6-1) is formed between the two locking rods (6-2), and simultaneously, the same ends of the two locking rods (6-2) are connected and closed to form a buffering head (6-3), and the other ends of the two locking rods (6-2) are respectively and integrally formed into a torsion spring structure (6-4).

4. The central lock for a folding tent as claimed in claim 3, wherein the buffering head (6-3) comprises an arc-shaped rod (6-3-1), both ends of the arc-shaped rod (6-3-1) are respectively connected with the ends of the locking rod (6-2) integrally, and the limiting posts (3-2) are respectively inserted into the torsion spring structures (6-4).

5. The central lock for a folding tent according to claim 3, characterized in that the buffering head (6-3) comprises two arc-shaped rods (6-3-1), two arc-shaped transition rods (6-3-2), and a butt rod (6-3-3), wherein the arc-shaped rods (6-3-1) are respectively arranged at one side of the two locking rods (6-2), one end of the arc-shaped rod (6-3-1) is integrally butted with the locking rod (6-2) through the transition rod (6-3-2), the other ends of the two arc-shaped rods (6-3-1) are integrally connected through the butt-joint rod (6-3-3), the limiting columns (3-2) are respectively arranged in the two sides of the buffering head part (6-3) in a penetrating mode and in the torsion spring structure (6-4) in a penetrating mode.

6. The central lock for the folding tent as claimed in claim 2, wherein the elastic member comprises two parallel locking rods (6-2), a bayonet (6-1) is formed between the two locking rods (6-2), and meanwhile, one end of one locking rod (6-2) and the other end of the other locking rod (6-2) opposite to the other locking rod are respectively and integrally formed with a torsion spring structure (6-4), and the torsion spring structure (6-4) is sleeved on the corresponding limiting column (3-2).

7. A central lock for a folding tent as claimed in claim 4 or 5 or 6, characterized in that the torsion spring structure (6-4) comprises a sleeve part (6-4-1) and a torsion arm (6-4-2), the torsion arm (6-4-2) forms an angle with the locking lever (6-2), and the end of the torsion arm (6-4-2) abuts against the inner wall of the chassis base (3).

8. The center lock for a folding tent as claimed in claim 7, wherein the distance between the two parallel locking poles (6-2) is smaller than the size of the clamping table (1-1).

9. The central lock for a folding tent as claimed in claim 1, characterized in that the number of the opening arms (4-1) is 1, and the locking platform (1-1) is locked against one of the locking rods (6-2).

10. The central lock for the folding tent as claimed in claim 1, wherein the rotating base (4) is integrally provided with two symmetrical opening arms (4-1), the clamping platforms (1-1) are respectively locked against two locking rods (6-2), and the stroke slots (5-2) are symmetrically arranged at both sides of the locking slot (5-1) corresponding to the opening arms (4-1).

11. The center lock for a folding tent as claimed in claim 1, wherein the lower end surface of the clip table (1-1) has a spherical shape.

12. The center lock for a folding tent as claimed in claim 1, wherein the top of the arm (4-1) is integrally formed with a trapezoidal block (4-2), and a stopper is formed between both ends of the bottom of the trapezoidal block (4-2) and the arm (4-1).