CN214424279U

CN214424279U - Anti-clamping structure of rocker door opening machine

Info

Publication number: CN214424279U
Application number: CN202023232791.0U
Authority: CN
Inventors: 简明韶
Original assignee: Foshan Hosi Intelligent Control Technology Co ltd
Current assignee: Foshan Hosi Intelligent Control Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-19
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a rocking arm door-opening machine prevents pressing from both sides structure, is including the casing that has the installation cavity, and the screw rod is installed to the installation cavity internal rotation, corresponds the screw rod on the casing and has seted up the fluting along length direction, and locating component is all installed at grooved both ends, slidable mounting has the drawer subassembly on the screw rod, and the drawer subassembly extends fluting AND gate body coupling, the last spacing stop part that is connected with of locating component, spacing stop part in advance with drawer subassembly offset location, make to keep apart out between drawer subassembly and the locating component and prevent pressing from both sides the interval safely, prevent pressing from both sides the structure through the design here, realize preventing pressing from both sides protect function, reduce safe risk to satisfy ann's rule standard, reach safe use standard.

Description

Anti-clamping structure of rocker door opening machine

Technical Field

The utility model relates to a door operator field specifically is a structure is prevented pressing from both sides by rocking arm door operator.

Background

Similar door operator product does not prevent tong function in the existing market, causes the hand to press from both sides the wound easily like this, and does not satisfy the ann rule requirement, consequently needs further improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned current problem, provide a simple structure, reasonable a rocking arm door-opening machine prevent pressing from both sides structure, its main action can play prevents pressing from both sides hand protect function, satisfies ann's rule standard.

The utility model provides a rocking arm door-opening machine prevents pressing from both sides structure, is including the casing that has the installation cavity, and the screw rod is installed to the installation cavity internal rotation, corresponds the screw rod on the casing and has seted up the fluting along length direction, and locating component is all installed at grooved both ends, slidable mounting has the drawer subassembly on the screw rod, draws the drawer subassembly to extend fluting AND gate body coupling, the last spacing stop part that is connected with of locating component, spacing stop part in advance with draw the drawer subassembly to offset the location, make and draw to keep apart out the safety between drawer subassembly and the locating component and prevent pressing from both sides the interval.

Further, the limiting stop piece is arranged on the periphery of the screw rod in an Jiong-shaped sleeve shape, and is integrally connected with the positioning assembly through the connecting part which is obliquely arranged.

Further, the positioning component can be adjusted in a sliding mode along the length direction of the groove.

Further, the positioning assembly comprises an upper positioning block and a lower positioning block, a limiting protrusion extends from the bottom of the upper positioning block, a limiting concave cavity matched with the limiting protrusion is formed in the top of the lower positioning block, a lower screw hole is formed in the lower positioning block, a positioning convex sleeve extends corresponding to the lower screw hole, a positioning groove nested with the positioning convex sleeve is formed in the upper positioning block, an upper screw hole is formed corresponding to the positioning groove, a bolt penetrates through the upper screw hole and the lower screw hole, so that the machine shell on two sides of the groove is clamped between the upper positioning block and the lower positioning block, and the limiting stop piece is connected to the upper positioning block.

Further, the upper end face and the lower end face of the two sides of the slot are provided with an upper insection and a lower insection, the bottom surface of the upper positioning block is provided with an upper insection which is in positioning engagement with the upper insection, and the top surface of the lower positioning block is provided with a lower insection which is in positioning engagement with the lower insection.

Further, the pull block assembly comprises a sliding block and a pull block, the sliding block is cylindrical, a threaded through hole which is matched with the screw in a moving mode is formed in the sliding block, the pull block is Jiong-shaped and straddles the screw and is connected with two ends of the sliding block, a pull column which extends out of a groove is arranged at the top of the pull block, the limit stop piece is abutted and positioned against the sliding block, and a concave arc surface which is matched with the outer shape of the sliding block is arranged on a stop surface of the limit stop piece.

Further, the side surface of the pulling block is provided with an emptying notch.

Further, the sliding adjustment range of the positioning component at one end of the slot is larger than that of the positioning component at the other end of the slot.

Further explaining, the machine shell comprises a machine base and a machine cover, the machine base and the machine cover are enclosed to form an installation cavity, two bearing cavities are arranged between the machine base and the machine cover, bearings are fixedly installed on the bearing cavities, and the two bearings are rotatably connected with the two end parts of the screw rod.

The utility model has the advantages as follows:

the utility model relates to a rocking arm door-opening machine prevents pressing from both sides structure, simple structure, reasonable in design, the equipment is convenient, low in production cost, through designing this prevent pressing from both sides the structure, realize preventing tong protect function, reduce safe risk to satisfy ann rule standard, reach safe operation standard.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

Fig. 2 is a schematic view of the present invention showing a partial structure being exploded and enlarged.

Fig. 3 is a first schematic view of the positioning component decomposition structure of the present invention.

Fig. 4 is a schematic view of the positioning component decomposition structure of the present invention.

Fig. 5 is a schematic view of the exploded structure of the pull block assembly of the present invention.

Fig. 6 is a schematic view of the abutting and positioning structure of the pull block assembly and the limit stop member of the present invention.

Fig. 7 is an exploded schematic view of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 and 7, a structure is prevented pressing from both sides by rocking arm door-opening machine, including casing 1 that has installation cavity a, screw rod 2 is installed to installation cavity a internal rotation, corresponds screw rod 2 on casing 1 and has seted up fluting 3 along length direction, and locating component 4 is all installed at fluting 3's both ends, slidable mounting has pull block subassembly 5 on screw rod 2, and pull block subassembly 5 extends fluting 3 AND gate body coupling, be connected with spacing stop part 6 on locating component 4, spacing stop part 6 in advance with pull block subassembly 5 offseting location, make and keep apart safe anti-pinch interval L between pull block subassembly 5 and the locating component 4, prevent pressing from both sides the structure through designing this, realize preventing the tong protect function, reduce safe risk to satisfy the ann rule standard, reach safe use standard.

The limiting stop piece 6 is arranged on the periphery of the screw rod 2 in an Jiong-shaped sleeve shape, and the limiting stop piece 6 is integrally connected with the positioning component 4 through a connecting part 7 which is obliquely arranged; spacing stop part 6 supports actual unsettled not contact with screw rod 2 in screw rod 2's periphery through connecting portion 7, can restrict completely and draw piece subassembly 5 to cross spacing stop part 6 and locating component 4 collision, and the connecting portion of this structure can increase spacing stop part 6 leading distance on the one hand to increase safety and prevent pressing from both sides interval L, on the other hand can promote the intensity of connecting portion self, prevent to draw piece subassembly 5 to collide spacing stop part 6 and cause the junction fracture between connecting portion and spacing stop part 6 or locating component 4, cause the damage.

The positioning component 4 can be adjusted in a sliding way along the length direction of the slot 3; the distance between the two positioning assemblies 4 can be adjusted according to the door opening amplitude, and the moving range of the pull block assembly 5 is controlled.

The positioning assembly 4 comprises an upper positioning block 41 and a lower positioning block 42, a limiting protrusion 411 extends from the bottom of the upper positioning block 41, a limiting concave cavity 421 matched with the limiting protrusion 411 is arranged at the top of the lower positioning block 42, a lower screw hole 422 is formed in the lower positioning block 42, a positioning convex sleeve 423 extends corresponding to the lower screw hole 422, a positioning groove 412 nested in the positioning convex sleeve 423 is formed in the upper positioning block 41, an upper screw hole 413 is formed corresponding to the positioning groove 412, a bolt 43 penetrates through the upper screw hole 413 and the lower screw hole 422, so that the machine shell 1 on two sides of the slot 3 is clamped between the upper positioning block 41 and the lower positioning block 42, and the limiting stop member 6 is connected to the upper positioning block 41;

the positioning component 4 with the structure only needs to unscrew the bolt 43 during sliding adjustment, releases the clamping of the two components on the casing 1 to realize positioning, and then screws the bolt 43 to realize positioning and fixing again after sliding the positioning component 4 as required; the positioning grooves 412 and the positioning convex sleeves 423 on the upper positioning block 41 and the lower positioning block 42 can enable the upper screw hole 413 and the lower screw hole 422 to be quickly positioned and aligned, the assembling speed is improved, the relative left-right sliding of the upper positioning block 41 and the lower positioning block 42 is prevented, and the limiting protrusions 411 and the limiting concave cavities 421 are rectangular, so that after the upper positioning block 41 and the lower positioning block 42 are matched, the relative axial rotation deviation between the upper positioning block 41 and the lower positioning block 42 can be prevented.

The upper and lower end faces of two sides of the slot 3 are provided with an upper insection 301 and a lower insection 302, the bottom surface of the upper positioning block 41 is provided with an upper tooth 414 which is positioned and meshed with the upper insection 301, and the top surface of the lower positioning block 42 is provided with a lower tooth 424 which is positioned and meshed with the lower insection 302; the upper positioning block 41 and the lower positioning block 42 can be positioned and fixed through the matching of the insections and the teeth, the situation that the upper positioning block 41 and the lower positioning block 42 can slip and shift along the smooth end face of the casing after being assembled and fastened can be avoided, and the positioning precision can be improved.

The pull block assembly 5 comprises a sliding block 51 and a pull block 52, the sliding block 51 is cylindrical, a threaded through hole 511 which is in motion fit with the screw rod 2 is formed in the sliding block 51, the pull block 52 straddles the screw rod 2 in an Jiong shape and is connected with two ends of the sliding block 51, a pull column 53 extending out of the groove 3 is arranged at the top of the pull block 52, the limit stop piece 6 abuts against the sliding block 51 for positioning, and a concave arc surface 601 matched with the outer shape of the sliding block 51 is arranged on the stop surface of the limit stop piece 6; the structure is simple, and the failure rate is low;

specifically, two side plates of the pull block 52 are provided with circular through holes 522 matched with the slider 51, and two ends of the slider 51 are arranged in the circular through holes 522 and fixed by a clamp spring 523 through a shaft.

An emptying notch 521 is formed in the side surface of the pulling block 52; the stealing air notch 521 is arc-shaped and matched with the finger shape, so that the distance between the connecting part 7 and the pull block 52 is indirectly increased, and the anti-pinch function is also realized.

The sliding adjustment amplitude of the positioning component 4 at one end of the open groove 3 is larger than that of the positioning component 4 at the other end; the amplitude of the adjustment of the positioning assembly 4 is determined according to the mounting position of the door opener, while the amplitude of the sliding adjustment depends mainly on the length of the upper insection 301 and the lower insection 302.

The machine shell 1 comprises a machine base 11 and a machine cover 12, the machine base 11 and the machine cover 12 are enclosed to form an installation cavity A, two bearing cavities 13 are arranged between the machine base 11 and the machine cover 12, bearings 8 are fixedly installed on the bearing cavities 13, and the two bearings 8 are rotatably connected with two end parts of the screw rod 2; the position that frame 11 and cover 12 correspond all is provided with the semicircle cavity, will form the bearing chamber 13 of adaptation bearing 8 after frame 11 and cover 12 surround, through bearing 8 and the cooperation of screw rod 2, makes screw rod 2 rotate more smoothly, little resistance.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a structure is prevented pressing from both sides by rocking arm door opening machine, includes casing (1) that has installation cavity (A), and screw rod (2) are installed to installation cavity (A) internal rotation, correspond screw rod (2) on casing (1) and have seted up fluting (3) along length direction, and locating component (4) are all installed at the both ends of fluting (3), slidable mounting has pull block subassembly (5) on screw rod (2), and pull block subassembly (5) extend fluting (3) and door body coupling, its characterized in that: be connected with spacing stop part (6) on locating component (4), spacing stop part (6) advance with draw a piece subassembly (5) to offset the location, make draw and keep apart safe anti-pinch interval (L) between piece subassembly (5) and locating component (4).

2. The anti-pinch structure of the rocker arm door opening machine of claim 1, which is characterized in that: the limiting stop piece (6) is arranged on the periphery of the screw rod (2) in an Jiong-shaped sleeve shape, and the limiting stop piece (6) is integrally connected with the positioning assembly (4) through the connecting part (7) which is obliquely arranged.

3. The anti-pinch structure of the rocker arm door opening machine of claim 1, which is characterized in that: the positioning component (4) can be adjusted in a sliding mode along the length direction of the groove (3).

4. The anti-pinch structure of the rocker arm door opening machine of claim 1, which is characterized in that: the positioning assembly (4) comprises an upper positioning block (41) and a lower positioning block (42), a limiting protrusion (411) extends from the bottom of the upper positioning block (41), a limiting concave cavity (421) matched with the limiting protrusion (411) is formed in the top of the lower positioning block (42), a lower screw hole (422) is formed in the lower positioning block (42), a positioning convex sleeve (423) extends corresponding to the lower screw hole (422), a positioning groove (412) nested with the positioning convex sleeve (423) is formed in the upper positioning block (41), an upper screw hole (413) is formed in the corresponding positioning groove (412), a bolt (43) penetrates through the upper screw hole (413) and the lower screw hole (422), so that the casings (1) on two sides of the slot (3) are clamped between the upper positioning block (41) and the lower positioning block (42), and the limiting stop piece (6) is connected to the upper positioning block (41).

5. The anti-pinch structure of the rocker arm door opening machine of claim 4, characterized in that: the upper and lower end faces of two sides of the slot (3) are provided with an upper insection (301) and a lower insection (302), the bottom face of the upper positioning block (41) is provided with an upper tooth (414) which is in positioning engagement with the upper insection (301), and the top face of the lower positioning block (42) is provided with a lower tooth (424) which is in positioning engagement with the lower insection (302).

6. The anti-pinch structure of the rocker arm door opening machine of claim 1, which is characterized in that: draw piece subassembly (5) including slider (51) and draw piece (52), slider (51) are cylindricly, offer on slider (51) with screw rod (2) motion fit's screw through-hole (511), draw piece (52) to be "Jiong" shape and straddle on screw rod (2) and be connected with the both ends of slider (51), the top of drawing piece (52) is equipped with draws post (53) that extend fluting (3), spacing stop part (6) and slider (51) offset the location, are equipped with the concave arc face (601) that matches the outer shape of slider (51) on the backstop face of spacing stop part (6).

7. The anti-pinch structure of the rocker arm door opening machine of claim 6, characterized in that: an emptying notch (521) is formed in the side surface of the pulling block (52).

8. The anti-pinch structure of the rocker arm door opening machine of claim 1, which is characterized in that: the sliding adjustment amplitude of the positioning component (4) at one end of the slot (3) is larger than that of the positioning component (4) at the other end.

9. The anti-pinch structure of the rocker arm door opening machine of claim 1, which is characterized in that: casing (1) includes frame (11) and cover (12), and frame (11) and cover (12) surround and form installation cavity (A), be provided with two bearing chamber (13) between frame (11) and cover (12), fixed mounting has bearing (8) on bearing chamber (13), and two bearings (8) rotate with the both ends of screw rod (2) and are connected.