Anti-locking screen window upper pulley assembly and screen window thereof

Abstract

The utility model discloses an anti-locking screen window upper pulley assembly and a screen window, the anti-locking screen window upper pulley assembly is used for the top of the vertical edge of the screen window, and comprises a mounting piece, an upper pulley structure, a first spring and a connecting shaft lever; an L-shaped mounting groove is formed in the edge of the top of the mounting piece, and a kidney-shaped groove hole is vertically formed in the side face of the mounting piece. The upper pulley structure is located on the top face of the transverse edge of the L-shaped mounting groove, the connecting shaft rod is fixed to the side face of the upper pulley structure, and the end of the connecting shaft rod is located in the kidney-shaped groove hole in a liftable mode. The first spring is located between the upper pulley structure and the top face of the transverse edge of the L-shaped installation groove. A screen window body is provided with the anti-locking type screen window upper pulley assembly. The upper pulley structure is reasonable in structural arrangement, the connecting shaft rod is fixed to the upper pulley structure, the end of the connecting shaft rod is located in the kidney-shaped groove hole, lifting adjustment is carried out within a small range, a screen door and window is prevented from being clamped due to inclination during sliding, use smoothness can be improved, and use stability and reliability can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of screen windows, and particularly relates to an anti-stuck type screen window upper pulley assembly and the screen window. Background Art

[0002] During the use of screen windows, in order to facilitate the smooth translation of the screen windows in the window frame, corresponding pulley structures are generally provided at the top and bottom of the screen windows. The smoothness of opening and closing of the screen windows is improved by the coordinated sliding of the pulley structures. However, the pulley structure used in traditional screen windows is fixedly installed on the screen windows, and thus it cannot effectively provide buffering. It is prone to tilting and getting stuck during the translation process, thereby affecting the stability and effectiveness of use, and limiting its applicability and practicality. Utility Model Content

[0003] The utility model aims to provide an anti-stuck type screen window upper pulley assembly and a screen window which has a reasonable structure and is conducive to improving the stability of use.

[0004] One of the technical solutions to achieve the purpose of the utility model is: an anti-stuck type screen window upper pulley assembly, used for the top of the vertical edge of the screen window, including a mounting member, an upper pulley structure, a first spring and a connecting shaft rod;

[0005] The bottom of the mounting piece is used to be inserted into the top of the vertical edge of the screen window, and an L-shaped mounting groove is arranged at the top edge of the mounting piece, and a waist-shaped slot hole is arranged vertically on the side of the mounting piece;

[0006] The upper pulley structure is located on the top surface of the horizontal side of the L-shaped installation groove, the connecting shaft is fixed to the side of the upper pulley structure, and the end of the connecting shaft can be raised and lowered and is located in the waist-shaped groove hole;

[0007] The first spring is located between the upper pulley structure and the top surface of the horizontal side of the L-shaped installation groove.

[0008] It is further preferred that: the upper pulley structure comprises a pulley bracket, an upper pulley and a limiting side pulley;

[0009] The bottom surface of the pulley bracket is provided with a spring hole, the pulley bracket is in the L-shaped mounting groove, the first spring is in the spring hole and the bottom end abuts against the top surface of the horizontal side of the L-shaped mounting groove;

[0010] The connecting shaft is connected to the side of the pulley bracket;

[0011] The upper pulley is fixed on the top of the pulley bracket, and the limiting side pulley is located on the side of the pulley bracket.

[0012] It is further preferred that: the pulley bracket includes an L-shaped bracket plate and a vertical support plate integrally formed on the end edge of the lateral portion of the L-shaped bracket plate;

[0013] The upper pulley is located at the top edge of the vertical portion of the L-shaped bracket plate, the connecting shaft is located in the middle of the vertical portion of the L-shaped bracket plate, and the spring hole is located at the bottom surface of the L-shaped bracket plate;

[0014] The limiting side pulley is located on the outer side surface of the vertical support plate, and the limiting side pulley is located on a side away from the vertical part of the L-shaped bracket plate.

[0015] Further preferably, a U-shaped slot with an open top surface is provided in the middle of the vertical support plate, a rubber buffer block is provided on the vertical support plate, and an end of the rubber buffer block is fixed in the U-shaped slot.

[0016] It is further preferred that: a card insertion groove is provided at the transverse portion of the L-shaped installation groove;

[0017] A card insertion protrusion is fixed on the bottom surface of the pulley bracket;

[0018] The card insertion protrusion of the pulley bracket is inserted into the card insertion groove for limiting position.

[0019] Further preferably, the number of the upper pulley and the number of the limiting side pulleys are both two.

[0020] More preferably, there are two first springs, and the two first springs are arranged in parallel.

[0021] The second technical solution for achieving the purpose of the utility model is: a screen window, including a screen window body, on which the above-mentioned anti-stuck screen window upper pulley assembly is arranged.

[0022] The utility model has positive effects: the structure of the utility model is reasonably arranged, and the upper pulley assembly thereof comprises a mounting piece, an upper pulley structure, a first spring and a connecting shaft rod; a waist-shaped slot hole is arranged on the mounting piece, the first spring is located between the upper pulley structure and the mounting piece, and the connecting shaft rod is fixed on the upper pulley structure and the end portion is located in the waist-shaped slot hole, so that the upper pulley assembly can be raised and lowered within a small range when in use, and can prevent the screen door and window from being stuck due to tilting when sliding, which is beneficial to improving the smoothness of use, and is beneficial to improving the stability and reliability of use, and has strong applicability and good practicality.

[0023] The screen window provided by the utility model can effectively improve the anti-jamming effect and improve the smoothness of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0027] Figure 3 It is a schematic diagram of the specific structure of the upper pulley assembly in the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the utility model in use on a screen window frame.

[0029] Figure numerals: vertical edge of screen window 1, upper pulley assembly 2, mounting member 21, upper pulley structure 22, pulley bracket 221, L-shaped bracket plate 2211, vertical support plate 2212, upper pulley 222, limiting side pulley 223, first spring 23, connecting shaft 24, card insertion protrusion 3, L-shaped mounting groove 4, waist-shaped slot hole 5, U-shaped card slot 6, rubber buffer block 7, card insertion groove 8, screen window body 9. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example 1

[0032] See Figures 1 to 4 As shown, an anti-stuck screen upper pulley assembly 2 is used for the top of the vertical edge 1 of the screen, including a mounting piece 21, an upper pulley structure 22, a first spring 23 and a connecting shaft 24; during assembly, the bottom of the mounting piece is used to be inserted into the top of the vertical edge of the screen, and an L-shaped mounting groove 4 is provided at the top edge of the mounting piece, and a waist-shaped slot 5 is provided on the side of the mounting piece in a vertical direction; there are two first springs, and the two first springs are arranged in parallel. The L-shaped mounting groove is mainly used for limiting the upper pulley structure when installing it to prevent the upper pulley structure from loosening or tilting, and the waist-shaped slot can be adjusted to a certain height position.

[0033] During assembly, the upper pulley structure is located on the top surface of the horizontal side of the L-shaped installation groove, the connecting shaft is fixed to the side of the upper pulley structure, and the end of the connecting shaft can be raised and lowered in the waist-shaped slot; the first spring is located between the upper pulley structure and the top surface of the horizontal side of the L-shaped installation groove. Through the above structure, the upper pulley structure can be raised and lowered within a certain height range under the cooperation of the first spring and the connecting shaft, thereby preventing tilting during translation, ensuring smooth translation, and having strong practicality.

[0034] And in the actual application process, the upper pulley structure includes a pulley bracket 221, an upper pulley 222 and a limiting side pulley 223; and the number of the upper pulley and the limiting side pulley is two. A spring hole is set on the bottom surface of the pulley bracket, the pulley bracket is in the L-shaped mounting groove, the first spring is in the spring hole and the bottom end abuts against the horizontal top surface of the L-shaped mounting groove; the connecting shaft is connected to the side of the pulley bracket; the upper pulley is fixed on the top of the pulley bracket, and the limiting side pulley is on the side of the pulley bracket. It slides through the upper pulley and is limited by the limiting side pulley to prevent falling, and it can also cooperate with the upper pulley to improve the smoothness and effectiveness of sliding.

[0035] In actual application, the pulley bracket 221 includes an L-shaped bracket plate 2211 and a vertical support plate 2212 integrally formed on the end edge of the horizontal portion of the L-shaped bracket plate; during assembly, the upper pulley is located at the top edge of the vertical portion of the L-shaped bracket plate, the connecting shaft is located in the middle of the vertical portion of the L-shaped bracket plate, and the spring hole is located on the bottom surface of the L-shaped bracket plate; the limiting side pulley is located on the outer side of the vertical support plate, and the limiting side pulley is located on the side away from the vertical portion of the L-shaped bracket plate. Since the pulley bracket is integrally formed, the upper pulley and the limiting side pulley are both on the pulley bracket, thereby ensuring the stability and reliability of the overall structure, and also helping to prevent tilting, and having strong practicality.

[0036] In actual application, a U-shaped slot 6 with an open top surface is provided in the middle of the vertical support plate, and a rubber buffer block 7 is provided on the vertical support plate, and the end of the rubber buffer block is fixed in the U-shaped slot. The rubber buffer block is used for buffering, and the stability is improved by cooperating with the limiting side pulley.

[0037] In actual application, the transverse part of the L-shaped installation groove is provided with a card insertion groove 8; the bottom surface of the pulley bracket is fixed with a card insertion protrusion 3; during assembly, the card insertion protrusion of the pulley bracket is inserted into the card insertion groove for limiting position. Through the above structure, it can cooperate with the connecting shaft to improve the stability of use, prevent loosening or falling off, and can also achieve lifting and lowering adjustment within a certain range, thereby improving the effectiveness of use.

[0038] The utility model has positive effects: the structure of the utility model is reasonably arranged, and the upper pulley assembly thereof comprises a mounting piece, an upper pulley structure, a first spring and a connecting shaft rod; a waist-shaped slot hole is arranged on the mounting piece, the first spring is located between the upper pulley structure and the mounting piece, and the connecting shaft rod is fixed on the upper pulley structure and the end thereof is located in the waist-shaped slot hole, so that the upper pulley assembly can be adjusted in a small range when in use, and can prevent the screen door and window from being stuck due to tilting when sliding, which is conducive to improving the smoothness of use, and is conducive to improving the stability and reliability of use, and has strong applicability and good practicality;

[0039] At the same time, the lower pulley assembly includes a mounting seat, a limiting pulley seat, a limiting pulley, a lower pulley seat, a lower pulley, a second spring, a third spring and an adjusting screw. After assembly, the lower pulley assembly can also be raised and lowered to a certain extent, and the lower pulley cooperates with the limiting pulley to prevent the bottom wheel from derailing, thereby improving the stability and reliability of use, and having strong applicability and good practicality.

[0040] Example 2

[0041] This embodiment provides a screen window, including a screen window body 9, on which the above-mentioned anti-jamming type screen window upper pulley assembly 2 is arranged. The screen window provided by the utility model can effectively improve the anti-jamming effect and improve the smoothness of use.

[0042] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0043] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. An anti-stuck screen window upper pulley assembly, used for the top of the vertical edge of the screen window, characterized by: It includes a mounting member, an upper pulley structure, a first spring and a connecting shaft; The bottom of the mounting piece is used to be inserted into the top of the vertical edge of the screen window, and an L-shaped mounting groove is arranged at the top edge of the mounting piece, and a waist-shaped slot hole arranged vertically is arranged on the side of the mounting piece; The upper pulley structure is located on the top surface of the horizontal side of the L-shaped installation groove, the connecting shaft is fixed to the side of the upper pulley structure, and the end of the connecting shaft can be raised and lowered and is located in the waist-shaped groove hole; The first spring is located between the upper pulley structure and the top surface of the horizontal side of the L-shaped installation groove.

2. The anti-stuck screen upper pulley assembly according to claim 1, characterized in that: The upper pulley structure comprises a pulley bracket, an upper pulley and a limiting side pulley; A spring hole is provided on the bottom surface of the pulley bracket, the pulley bracket is in the L-shaped mounting groove, the first spring is in the spring hole and the bottom end abuts against the top surface of the horizontal side of the L-shaped mounting groove; The connecting shaft is connected to the side of the pulley bracket; The upper pulley is fixed on the top of the pulley bracket, and the limiting side pulley is located on the side of the pulley bracket.

3. The anti-stuck screen upper pulley assembly according to claim 2, characterized in that: The pulley bracket includes an L-shaped bracket plate and a vertical support plate integrally formed on the end edge of the transverse portion of the L-shaped bracket plate; The upper pulley is located at the top edge of the vertical portion of the L-shaped bracket plate, the connecting shaft is located in the middle of the vertical portion of the L-shaped bracket plate, and the spring hole is located at the bottom surface of the L-shaped bracket plate; The limiting side pulley is located on the outer side surface of the vertical support plate, and the limiting side pulley is located on a side away from the vertical part of the L-shaped bracket plate.

4. The anti-stuck screen upper pulley assembly according to claim 3, characterized in that: A U-shaped slot with an open top surface is arranged in the middle of the vertical support plate, and a rubber buffer block is arranged on the vertical support plate, and the end of the rubber buffer block is fixed in the U-shaped slot.

5. The anti-stuck upper pulley assembly of the screen window according to claim 4, characterized in that: The transverse portion of the L-shaped mounting groove is provided with a card insertion groove; A card insertion protrusion is fixed on the bottom surface of the pulley bracket; The card insertion protrusion of the pulley bracket is inserted into the card insertion groove for limiting position.

6. The anti-stuck type upper pulley assembly for screen window according to claim 2, characterized in that: The number of the upper pulley and the number of the position-limiting side pulleys are both two.

7. The anti-stuck screen window upper pulley assembly according to claim 1, characterized in that: There are two first springs, and the two first springs are arranged in parallel.

8. A screen window, comprising a screen window body, characterized in that: The screen body is provided with an anti-stuck screen upper pulley assembly as described in any one of claims 1 to 7.

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