CN210828987U

CN210828987U - Telescopic connection structure of anti-theft lattice

Info

Publication number: CN210828987U
Application number: CN201921440585.3U
Authority: CN
Inventors: 周立勇; 周正文
Original assignee: Sichuan Gepaizhichuang Technology Co ltd
Current assignee: Sichuan Gepaizhichuang Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-23
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a flexible connection structure of theftproof check, including member and bent arm spare. The rod piece is a long rectangular hollow pipe, strip-shaped holes are correspondingly formed in two long side surfaces of the rectangular hollow pipe, connecting piece holes are correspondingly formed in two short side surfaces of the rectangular hollow pipe, and the center of each connecting piece hole and the transverse center line of each strip-shaped hole are located on the same plane. The middle part of the curved arm piece is provided with a through hole, and the free end is provided with a connecting hole. The two crank arm pieces penetrate through the strip-shaped holes, the through holes of the crank arm pieces correspond to the connecting piece holes and are connected through the connecting pieces, and a unit structure of the telescopic connection structure of the anti-theft lattice is formed. The unit structures are sequentially arranged, and the corresponding end curved arm pieces between the unit structures are connected together to form the telescopic connection structure of the anti-theft lattice. The utility model discloses simple structure, reasonable in design, the practicality is strong, has effectively reduced the preparation degree of difficulty, the cost is reduced, does not have the defect among the prior art, whole elegant appearance, and customer satisfaction improves.

Description

Telescopic connection structure of anti-theft lattice

Technical Field

The utility model belongs to the technical field of the theftproof check, especially, relate to a flexible connection structure of theftproof check.

Background

In order to prevent theft, people usually choose to set a theft-proof case. One is the mode of fixing on the outer wall, and the other is the mode of connecting and penetrating the fan, and the mode of connecting and penetrating the fan is more favored by users. In the prior art, chinese patent No. 2016103691405 discloses a steel band press forming process for security windows, which can use steel bands to curl into a member bar with an i-shaped structure, and the member bar is connected by a common connecting member bar to form a telescopic security lattice. However, the curling process of the steel strip is complex, various expensive devices are required to be invested, the manufacturing process is time-consuming and labor-consuming, the cost is high, and after the anti-theft lattice is formed, the whole attractiveness of the anti-theft lattice is not high due to the fact that flaws and gaps are easy to exist in the curled steel strip, and the customer satisfaction is reduced.

Therefore, how to arrange an anti-theft lattice connection structure with simple process, low cost and beautiful and elegant appearance constitutes a technical problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flexible connection structure of theftproof check can solve above-mentioned prior art's weak point completely.

The purpose of the utility model is realized through the following technical scheme:

a telescopic connection structure of an anti-theft lattice comprises a rod piece and a crank arm piece; the rod piece is a long rectangular hollow pipe, strip-shaped holes are correspondingly formed in the two long side surfaces of the rectangular hollow pipe, connecting piece holes are correspondingly formed in the two short side surfaces of the rectangular hollow pipe, and the center of each connecting piece hole and the transverse center line of each strip-shaped hole are located on the same plane; the crank arm piece comprises a middle crank arm piece and end crank arm pieces connected to two ends of the middle crank arm piece, the middle crank arm piece and the end crank arm pieces form an included angle of 160-180 degrees, the end crank arm pieces at two ends of the middle crank arm piece are arranged in a centrosymmetric manner, a through hole is formed in the middle of the middle crank arm piece, and a connecting hole is formed in the free end of each end crank arm piece; two bent arm pieces pass the bar hole that two long lateral surfaces of rectangle hollow tube set up, and two bent arm piece symmetries set up, and the through-hole of bent arm piece corresponds the connecting piece hole, and connecting piece hole and through-hole have passed the connecting piece, connect through the connecting piece, form the flexible connection structure's of theftproof check unitized construction, unitized construction sets gradually, and the bent arm piece of the tip that corresponds between unitized construction and the unitized construction links together, forms the flexible connection structure of theftproof check.

Furthermore, the end curved arm piece located on the outermost side of the telescopic connection structure is connected with two sliding strips, one sliding strip corresponds to the end curved arm piece with the upward connection direction, the other sliding strip corresponds to the end curved arm piece with the downward connection direction, a sliding strip box is arranged in a matched mode, and the sliding strips can slide in the sliding strip box.

Furthermore, the free end of the end curved arm piece connected with the slide bar is provided with a vertical connecting part, a connecting hole is formed in the connecting part, and the connecting part is hinged to the slide bar through the connecting hole.

Further, the unit structures and the corresponding end curved arm pieces between the unit structures are hinged together through the connecting holes.

Furthermore, the connecting piece is in interference fit with the connecting piece hole, and the connecting piece is in clearance fit with the through hole.

Furthermore, two long side faces of the rectangular hollow pipe are correspondingly provided with bolt through holes.

Compared with the prior art, the beneficial effects of the utility model reside in that: simple structure, reasonable in design, the practicality is strong, adopts the empty binder pipe of rectangle to replace current steel band member, has effectively reduced the preparation degree of difficulty, the cost is reduced. The rectangular hollow pipes are connected together through the crank arm pieces correspondingly matched to form the telescopic connection structure of the anti-theft lattice, the defects in the prior art are overcome, the whole appearance is attractive and elegant, and the customer satisfaction is improved. Simultaneously, still be provided with draw runner and supporting draw runner box, this setting is favorable to preventing that whole telescopic connection structure warp at the in-process of motion, slope etc. its stationarity is better, and user experience feels better, and life is longer.

Drawings

Fig. 1 is a perspective view of a rectangular hollow tube.

Fig. 2 is a front view of a rectangular open-web pipe connecting curved arm member.

Fig. 3 is a schematic structural view of a curved arm member.

Fig. 4 is a front view of the crank arm member connecting portion.

Fig. 5 is a top view of fig. 4.

Fig. 6 is a schematic diagram of the structure of the cell structure.

Fig. 7 is a schematic structural view of the telescopic connection structure.

Fig. 8 is a schematic structural view of the connecting slide of the telescopic connecting structure.

Fig. 9 is a schematic structural view of the telescopic connection structure connecting the slide bar and the slide bar box.

Fig. 10 is a connection relationship diagram of the slider and the slider case.

Fig. 11 is a schematic structural view of the telescopic connection structure after being folded.

Fig. 12 is a schematic structural view of a curved arm member according to the second embodiment.

Fig. 13 is a top view of fig. 12.

Fig. 14 is a schematic structural view of a rectangular hollow tube according to the third embodiment.

Reference numerals: the bolt comprises a curved arm part 2, a rectangular hollow belly pipe 1, a long side surface 101, a strip-shaped hole 103, a short side surface 102, a connecting piece hole 104, a middle curved arm part 201, an end curved arm part 202, a through hole 2012, a connecting hole 2021, a connecting piece 2013, a unit structure 3, a slide bar 4, a slide bar box 5, a strip-shaped opening 1011, a connecting part 6 and a bolt through hole 7.

Detailed Description

The invention will be further described with reference to the following specific embodiments and the accompanying drawings.

Example one

As shown in fig. 1 and 10, a telescopic connection structure of a burglary-resisting case includes a rod member and a crank arm member 2 for connecting the rod member. The member is a rectangular hollow tube 1 in a long shape, and the rectangular hollow tube 1 is selected to minimize the hollow position and ensure the strength in the vertical direction, and generally, the external dimension range is within 25 × 15mm, but not limited to this range. Two long side surfaces 101 of the rectangular hollow pipe 1 are correspondingly provided with strip-shaped holes 103, and two short side surfaces 102 of the rectangular hollow pipe 1 are correspondingly provided with connecting piece holes 104. The center of the connector hole 104 is in the same plane as the transverse center line of the strip hole 103, so that the crank arm member 2 can be connected at the intermediate position. The curved arm part 2 comprises a middle curved arm part 201 and end curved arm parts 202 connected to two ends of the middle curved arm part 201, the middle curved arm part 201 and the end curved arm parts 202 form an included angle of 160 DEG and 180 DEG, but the included angle is not limited to the range, preferably 170 DEG, and the end curved arm parts 202 at two ends of the middle curved arm part 201 are arranged in a central symmetry manner, and the included angle and the central symmetry facilitate coordinated movement of the two ends in the telescopic process, so that labor is saved. A through hole 2012 is provided at the middle portion of the intermediate curved arm member 201, and a connection hole 2021 is provided at the free end of the end curved arm member 202. The two curved arm pieces 2 pass through the strip-shaped holes 103 arranged on the two long side surfaces 101 of the rectangular hollow pipe 1, and the two curved arm pieces 201 are symmetrically arranged. The through hole 2012 of the curved arm member 201 corresponds to the connecting member hole 104, the connecting member 2013 passes through the connecting member hole 104 and the through hole 2012, and is connected through the connecting member 2013, the connecting member 2013 is in interference fit with the connecting member hole 104, and the connecting member 2013 is in clearance fit with the through hole 2012, so as to form a unit structure 3 of the telescopic connection structure of the anti-theft lattice. The unit structures 3 are sequentially arranged, and the corresponding end curved arm pieces 202 between the unit structures 3 and the unit structures 3 are hinged together through the connecting holes 2021 to form a telescopic connecting structure of the anti-theft lattice.

The curved arm part 202 at the end part at the outermost side of the telescopic connection structure is connected with the slide bars 4, two slide bars 4 are arranged, one slide bar 4 corresponds to the curved arm part 202 at the end part with the upward connecting direction, and the other slide bar 4 corresponds to the curved arm part 202 at the end part with the downward connecting direction. The slide bar 4 is provided with a slide bar box 5 in a matching way, and the slide bar 4 can slide in the slide bar box 5. The slide bar box 5 can be a rectangular hollow tube 1 with a strip-shaped opening 1011 on the long side surface 101, and the slide bars 4 are respectively limited to slide on the inner wall of the short side surface 102 of the rectangular hollow tube 1, as shown in fig. 10. The free end of the end curved arm 202 of the connecting slide 4 is provided with a vertical connecting portion 6. Of course, the connection portion 6 is not limited to the vertical arrangement, and may be actually adjusted according to the pitch displacement. The connecting part 6 is provided with a connecting hole 2021, and the connecting part 6 is hinged on the slide bar 4 through the connecting hole 2021. Like this, when the flexible connection structure of pulling theftproof check removed, the 4 grouping synchronous slideings of draw in the draw box 5 played whole synchronous operation and played the theftproof check and prevent toppling over and prevent inclining the effect, can not appear toppling over the deformation, and is very steady smooth and easy. The unit structure 3 formed by the composite material can not be damaged due to deformation, and the service life can be prolonged. The user experience is better, and the satisfaction is higher.

The effect of the sliding strip box can be directly sensed according to actual experiments, a telescopic connection structure without the sliding strip 4 is prepared, and a telescopic connection structure with the sliding strip 4 and the sliding strip box 5 is prepared. The left side and the right side of the telescopic connecting structure are respectively held by hands to exert force in the front-back direction, and as a result, the telescopic connecting structure without the slide bars 4 is found to deform, and the whole telescopic connecting structure becomes prismatic from a rectangle; the telescopic connection structure provided with the slide bar 4 cannot deform and still keeps the overall rectangular state. Therefore, the sliding strip 4 is good in stability, and the anti-theft grids can be prevented from inclining.

The utility model discloses simple structure, reasonable in design, the practicality is strong, directly adopts the empty binder pipe 1 of rectangle to replace current steel band member, and its process only needs the punching press to go out corresponding hole, form hold the curved arm piece 2 the cavity can, effectively reduced the preparation degree of difficulty, the cost is reduced. The rectangular hollow pipes 1 are connected together through the crank arm parts 2 correspondingly matched with each other to form a telescopic connection structure of the anti-theft lattice, as shown in fig. 11, after the telescopic connection structure is contracted, the crank arm parts 2 can be completely hidden in the cavities of the rectangular hollow pipes 1, the defects in the prior art are overcome, the overall appearance is attractive and elegant, and the customer satisfaction is improved. Meanwhile, the sliding strip 4 and the matched sliding strip box 5 are further arranged, the arrangement is favorable for preventing the whole telescopic connection structure from deforming, inclining and the like in the movement process, the stability is better, the user experience is better, and the service life is longer. In the process of manufacturing the anti-theft lattice, the telescopic connection structure only needs to install the pulleys at two ends of the rectangular hollow pipe 1, the sliding strip box 5 on one side is fixed on the window sash, and the sliding strip box 5 on the other side is fixed on the frame.

Example two

The difference between this embodiment and the first embodiment is that the curved arm member 2 can also be designed to include a middle curved arm member 201 and an end curved arm member 202 connected thereto, as shown in fig. 12 and 13, a through hole 2012 is provided at the free end of the middle curved arm member 201, and a connection hole 2021 is provided at the free end of the end curved arm member 202. For the same reason as the embodiment, the included angle formed by the end curved arm 202 and the middle curved arm 201 is 160 + 180 °, but not limited to this range, and preferably 170 °. The free end of the middle curved arm piece 201 is arranged in the strip-shaped hole 103, the through hole 2012 corresponds to the connecting piece hole 104, and the connecting piece 2013 penetrates through the connecting piece hole 104 and the through hole 2012 to be connected with the curved arm piece 2. Similarly, connector hole 104 is in interference fit with connector 2013, and through hole 2012 is in clearance fit with connector 2013. Thus, in the embodiment, the curved arm members 201 are hinged together through the connecting holes 2021, so as to form a telescopic connecting structure of the anti-theft case with only one curved arm member 2.

EXAMPLE III

As shown in fig. 14, the present embodiment is different from the above embodiments in that the two long side surfaces 101 of the rectangular hollow tube 1 are correspondingly provided with bolt through holes 7 for passing through the lock rod of the lock, so that the lock rod passes through when the telescopic connection structure is contracted and expanded, and the telescopic connection structure is beneficial to locking when the telescopic connection structure is completely folded.

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 flexible connection structure of theftproof check which characterized in that: comprises a rod piece and a crank arm piece;

the rod piece is a long rectangular hollow pipe, strip-shaped holes are correspondingly formed in the two long side surfaces of the rectangular hollow pipe, connecting piece holes are correspondingly formed in the two short side surfaces of the rectangular hollow pipe, and the center of each connecting piece hole and the transverse center line of each strip-shaped hole are located on the same plane;

the crank arm piece comprises a middle crank arm piece and end crank arm pieces connected to two ends of the middle crank arm piece, the middle crank arm piece and the end crank arm pieces form an included angle of 160-180 degrees, the end crank arm pieces at two ends of the middle crank arm piece are arranged in a centrosymmetric manner, a through hole is formed in the middle of the middle crank arm piece, and a connecting hole is formed in the free end of each end crank arm piece;

two bent arm pieces pass the bar hole that two long lateral surfaces of rectangle hollow tube set up, and two bent arm piece symmetries set up, and the through-hole of bent arm piece corresponds the connecting piece hole, and connecting piece hole and through-hole have passed the connecting piece, connect through the connecting piece, form the flexible connection structure's of theftproof check unitized construction, unitized construction sets gradually, and the bent arm piece of the tip that corresponds between unitized construction and the unitized construction links together, forms the flexible connection structure of theftproof check.

2. The telescopic connection structure of an anti-theft lattice according to claim 1, wherein: the curved arm spare of tip that is located flexible connection structure outside is connected with the draw runner, and the draw runner sets up two, and a draw runner corresponds the curved arm spare of the equal ascending tip of direction of connection, and another draw runner corresponds the curved arm spare of the equal decurrent tip of direction of connection, the draw runner is supporting to be provided with the draw runner box, and the draw runner can slide in the draw runner box.

3. The telescopic connection structure of an anti-theft lattice according to claim 2, wherein: the free end of the end curved arm piece of the connecting slide bar is provided with a vertical connecting part, a connecting hole is formed in the connecting part, and the connecting part is hinged to the slide bar through the connecting hole.

4. The telescopic connection structure of an anti-theft lattice according to claim 1, wherein: the unit structures are hinged together through connecting holes.

5. The telescopic connection structure of an anti-theft lattice according to claim 1, wherein: the connecting piece is in interference fit with the connecting piece hole, and the connecting piece is in clearance fit with the through hole.

6. The telescopic connection structure of an anti-theft lattice according to claim 1, wherein: two long side faces of the rectangular hollow pipe are correspondingly provided with bolt through holes.