KR102407825B1 - Sash window rollers - Google Patents

Abstract

The present invention is a door car for a chassis, and if it is described in more detail, the door to be coupled to the chassis can be easily coupled with one touch and, if necessary, can be easily separated. 11) a cut-out hole 12 formed through the side of the door car 1 so as to be perpendicular to the front-back direction of the door car 1, and a cut-out hole 12 inside the door car 1 to lock and fix the door car 1 on the chassis 100 It includes a fixing means (2) that elastically protrudes through the fixing means (2) is a protrusion (21) that protrudes through the incision hole (12) obliquely downward and is caught in the chassis (100), and the inside of the door car (1) The bent part 22 formed at the rear end of the protrusion 21 in the , the elastic part 23 extending downward from the bent part 22 and having an elastic force, and the fixing means 2 are fixed inside the door car 1 . It is characterized in that it is formed of a support part 24 extending from the lower end of the elastic part 23 so as to As it is easy to assemble, a large amount of work can be handled in a short time with a small number of people, which improves workability. It is an invention that can be expected to have a number of effects, such as facilitating maintenance.

Description

Sash window rollers

The present invention is a door car for a chassis, and if it is described in more detail, the door to be coupled to the chassis can be easily coupled with one touch and, if necessary, can be easily separated.

The door car is coupled to the lower part of the chassis so that the chassis (window) slides easily on the rail formed long on the window frame.

In general, the door car is formed of a frame with rollers churned, and it is common that the frame is piece-coupled to the lower part of the chassis with screws or the like.

In order to more workability in combining the door car to the chassis, or for combining without using a piece, various technologies have been developed.

As disclosed in Republic of Korea Patent No. 1548874 (announcement dated September 01, 2015), the front and rear are spaced apart and the rollers are installed in the middle part, the coupling pieces with bolt holes are formed protruding from both sides of the upper part, and the lower part in the center In a door car having a door housing in which a coupling protrusion is formed to protrude downward, and a pair of vertical brackets are formed on both sides of the coupling protrusion, respectively, elastic member coupling holes that penetrate horizontally are formed in the vertical bracket of the door housing, A resilient member for imparting elasticity to the resilient member coupling hole is configured to be coupled from the outside, wherein the resilient member has a vertical contact portion in which a coupling protrusion forcibly fitted into the resilient member coupling hole in a direction facing the vertical bracket protrudes , an inclined portion extending outwardly from the upper end of the close contact portion, a resilient adjustment piece extending vertically from the upper end of the inclined portion, and an outer side of the inclined portion form a gradient that gradually widens from the lower part to the upper part, and the upper part has a number A technology configured to include an elastic induction part formed with a balanced locking jaw has been announced.

Or, as disclosed in Republic of Korea Patent No. 2053896 (announced on December 09, 2019), an outer body composed of a first wall and a second wall and a wheel are provided between the first wall and the second wall of the outer body. As a door car including an inner body coupled to, a portion of both ends of the first wall is extended and bent toward both ends of the second wall, and is bent obliquely from the top to the bottom to form an elastic hooking piece having an inclined surface, or , A portion of both ends of the second wall is extended and bent toward both ends of the first wall, and is bent obliquely from the top to the bottom to form an elastic hooking piece having an inclined surface, respectively, or a part of one end of the first wall is extended and bent toward one end of the second wall, and a part of the other end of the second wall is extended and bent toward the other end of the first wall, is bent obliquely from the upper end to the lower end and has an inclined surface. When the locking pieces are formed, respectively, when the door car is inserted into the installation hole of the profile, the elastic locking pieces on both sides are deformed toward the wheel and inserted, and after being inserted, the elastic locking pieces on both sides return to their original state by elasticity, It is characterized in that it is coupled to the edge of the installation hole. According to the present invention, a technique in which elastic locking pieces inclined downward are respectively provided at both ends of the first wall or the second wall of the car has been disclosed.

In addition, as disclosed in Republic of Korea Public Utility Plan No. 2014 No. 0002331 (published on April 23, 2014), in the car for PVC chassis, both sides of the outer case, left and right, or both sides of the outer case, or the left and right, and the central part of the elastic fastening with sharp ends are integrated The elastic locking part is integrally connected to the outer case with its wide side, and the pointed end is bent outward. It is inserted smoothly, but after it is fully inserted, the sharp end digs into the inner surface of the rail groove by the restoring force of the elastic latch and does not fall out, so that it can be firmly assembled and installed in the PVC chassis without using a direct connection piece. The technology is publicly disclosed.

The above techniques are techniques for easily coupling the door car by inserting it into the coupling part without a separate screw fastening by a coupling means such as a resilient member or an elastic stopping piece or an elastic stopping part when coupling the door car to the chassis.

However, the above techniques cause problems when replacement is required for various reasons such as wear or damage of the car.

There is a problem in that it is very difficult to separate the door car from the chassis, or a dedicated tool is required, or the door car can only be removed if the chassis is damaged.

Therefore, it is not only easy to attach the door car to the chassis, but also easy technology is required to separate the coupled door car from the chassis.

KR 10-1548874 B1 (01 September 2015) KR 10-2053896 B1 (December 09, 2019) KR 20-2014-0002331 U (23 April 2014)

In the present invention, a new technology has been devised to solve the problems of the prior art, and the present invention is a car that provides a roller so that the sash slides along the rail formed long on the window frame by coupling it to the lower part of the PVC chassis, An object of the invention is to provide a door car for a chassis that can be easily coupled to the chassis with one touch and the door coupled to the chassis can be easily separated.

Although not separately described, other objects within the scope that can be inferred in consideration of the specific contents and claims for carrying out the following invention are also included in the overall task of the present invention.

As a specific means for solving the problems of the present invention, in the present invention, in configuring the door car for a chassis, a cut-out hole formed through the side of the door car so as to be perpendicular to the forward and backward direction of the rollers installed on the door car, and the door car is caught in the PVC chassis A fixing means that elastically protrudes through an incision inside the door to fix it, a seating groove formed inside the door to accommodate the fixing means, and the close contact part of the chassis to limit the coupling depth of the door, and additional piece coupling is also possible Auxiliary coupling parts protruding at the front and rear of the door car are included so that the fixing means passes through the cut-out hole and obliquely and is hooked on the chassis; A bent portion formed at the rear end of the protrusion, an elastic portion extending downward from the bent portion and having an elastic force, limits the degree of protrusion of the protrusion, and has the middle of the elastic portion in contact with the inner surface of the car so that the bent portion does not enter the incision hole An elastic pressing member, a sub-elastic sphere configured on the upper portion of the elastic part to have an elastic force based on the elastic pressing member when the protrusion receives an upward force from the bottom, and a main elastic part configured on the lower part of the elastic part to have an elastic force when the protrusion receives a force from the side A support part extending from the lower end of the elastic part to fix the fixing means to the inside of the door car, an inner fitting part standing up on both sides of the support part so that the fixing means is fitted and fixed inside the door car, and the fixing means from the lower part of the door to be gripped It is characterized in that it consists of a direct gripper formed on the support and a protrusion guide surface formed on the protrusion so that when the support is withdrawn, the protrusion comes into contact with the inner surface of the incision hole and the protrusion protrudes outward.

In addition, an induction guide surface formed on the upper surface of the protrusion is further included, so that when the support part is pressed upward from the lower part, the protrusion is introduced into the inside of the car by the inner guide surface that contacts the inner surface of the incision hole and slides inward. .

According to the specific means for solving the above-mentioned problems, the cost is reduced because a piece is unnecessary in coupling the door car to the chassis, and since it is easy to combine, a large amount of work can be digested in a short time even with a small number of manpower, thereby improving workability.

In addition, it is easy to separate even when the car coupled to the chassis is separated, so it is an invention with many expected effects, such as reducing maintenance costs and making maintenance easier.

1 is a three-dimensional view showing a car to which the fixing means of the present invention is applied and extracting the fixing means;
Figure 2 is a bottom view showing a car to which the fixing means of the present invention is applied;
3 is a side cross-sectional view showing an example in which the present invention is applied to a chassis;
4 is a front cross-sectional view showing a door-car coupling of the present invention;
5 is a front cross-sectional view showing the detachable door car of the present invention;

The present invention is intended to provide a car for a chassis, which will be described in more detail with drawings below, and the accompanying drawings are merely examples for easily explaining the content and scope of the technical idea of the present invention. This is not the case, and the terms used are only for specifically describing the embodiment, and should not be construed as being limited to the term.

As shown in the drawing, the door car for a chassis of the present invention has a cut-out hole 12 formed through the side of the door car 1 so as to be orthogonal to the front-rear direction of the roller 11 axially installed on the door car 1, as shown in the drawing, and the door car The fixing means (2), which elastically protrudes through the cut-out hole (12) inside the door (1), and the fixing means (2) inside the door (1) so that the fixing means (2) are placed inside the door (1) to lock (1) to the chassis 100 The formed seating groove 13 and the auxiliary coupling part protruding before and after the door car 1 are coupled to the close contact part 103 of the chassis 100 to limit the coupling depth of the door car 1, and to enable additional piece coupling. (14) is included, and the fixing means (2) includes a protrusion (21) that protrudes through the cut-out hole (12) obliquely downward and is caught in the chassis (100), and the distal end of the protrusion (21) of the chassis (100). The locking end 21b caught by the locking part 102, the bent part 22 formed at the rear end of the protrusion 21 inside the door car 1, and the bending part 22 extending downwardly having an elastic force The elastic part 23, the support part 24 extended from the lower end of the elastic part 23 to fix the fixing means 2 to the inside of the door car 1, and the fixing means 2 are fitted inside the door car 1 An inner fitting hole 24a formed to stand up on both sides of the support part 24 so as to be fixed, and a direct gripping hole 24b formed in the support part 24 so as to be able to grip the fixing means 2 from the lower part of the door car 1, and , It is characterized in that when the support part 24 is drawn out, the protrusion 21 abuts against the inner surface of the incision hole 12 so that the protrusion 21 protrudes outwardly.

In addition, the inner entrance guide surface 21a formed on the upper surface of the protrusion 21, and the middle of the elastic portion 23 so that the bent portion 22 does not enter the incision hole 12 is formed to contact the inner surface of the door car 1 A sub-elastic sphere (23a) configured on the upper portion of the elastic part (23) so as to have an elastic force with respect to the elastic pressing sphere (23b) when the protrusion part (21) receives an upward force from the lower part (23b); The main elastic sphere 23c configured in the lower part of the elastic part 23 is further included so that the protrusion 21 has an elastic force when receiving a force from the side, so that when the support part 24 is pressed upward from the lower part, the incision hole 12 of It may be characterized in that the protrusion 21 is brought into the inside of the door car 1 by the inner induction surface 21a that comes in contact with the inner surface and slides inward.

The configuration will be described in more detail below along with the action.

As shown in FIG. 1 , in the car 1 on which the roller 11 is axially installed, a cut-out hole 12 is formed on the side orthogonal to the direction in which the roller 11 rolls, and the cut-out hole 12 is The fixing means 2 is internally fixed so that the protrusion 21 of the fixing means 2 partially protrudes.

The incision hole 12 may be formed only on one side of the door car 1 , but as shown in FIGS. 4 to 5 , it increases the bondability of the door car 1 to the chassis 100 and is weighted on the fixing means 2 . In order to distribute the load to be used and to increase the durability of the fixing means (2), it is preferable to form the incision holes (12) symmetrically on both sides of the door (1), and the fixing means ( It is possible to configure the fixing means 2 in which the protrusions 21 of 2) protrude so as to be caught on the chassis 100, respectively.

The fixing means 2 is made of a material having an elastic force.

As shown in FIG. 2 , the space between the left and right bulkheads of the door car 1 may be narrowed at a position close to the incision hole 12 to constitute the seating groove 13 .

The seating groove 13 is formed to be narrower than the width of the direct gripping port 24b of the fixing means 2 to prevent the fixing means 2 from rotating inside based on the protrusion 21, and the seating groove 13 ) on the opposite side, a step for adjusting the height of the roller 11 of the door car 1 is configured inside, so that the direct gripper 24b is caught, similar to the seating groove 13, to prevent rotation.

As shown in FIG. 3 , the chassis 100 to which the door car 1 is coupled is partially cut off to form a coupling space 101 to form a space to which the door 1 is coupled, and the coupling space part ( A contact portion 103 is formed before and after 101 .

As the auxiliary coupling part 14 formed before and after the door car 1 is in close contact with the close contact part 103, the door car 1 supports the chassis 100, so as shown in FIG. 4, the window frame 200 When the door car 1 with the roller 11 installed is mounted on the rail 201 of prevent.

In addition, the fixing property of the door car 1 to the chassis 100 may be added by further assembling a screw to the adhesion part 103 through a cutout formed in the auxiliary coupling part 14 if necessary.

The operation when the door car 1 is coupled to the chassis 100 is as follows.

As shown in FIG. 5 , when the door car 1 is inserted into the chassis 100 from the bottom upward, the protrusions 21 , which respectively protrude left and right through the cutout 12 , are combined with the coupling space portion of the chassis 100 ( 101) so that the protrusion 21 is brought into the inside of the door car (1).

In more detail, when the locking end 21b of the protrusion 21 comes into contact with the inner surface of the coupling space 101 of the chassis 100 and is pressed, the inner fitting hole 23a is spaced apart from the inner surface of the door car 1 and has an arc shape. As the main elastic sphere 23c of the is bent inwardly close to a straight line, the protrusions 21 on the left and right are respectively inserted into the door car 1 .

If a pair of protrusions 21 is formed on the left and right, the protrusions 21 come close to each other.

As the protrusion 21 enters the inside of the door car 1, there is no engaging element on the outer surface of the door car 1, so the door 1 slides inwardly into the coupling space 101 of the chassis 100. It can be easily inserted.

When the door car 1 is moved in by a sufficient height, the engaging end 21b of the protrusion 21 is deviated from the inner surface of the coupling space 101, and therefore there is no element for pressing the protrusion 21, so the main elastic sphere 23c The elastic force to return to the original shape acts, the inner fitting hole 23a is in close contact with the inner surface of the door car 1, and the protrusion 21 is again through the incision hole 12 as shown in FIG. Each of them protrude outwardly to the left and right of the door car 1 .

The locking end 21b of the protruding part 21 protruding outward of the door car 1 is caught by the locking part 102 of the chassis 100 so that the door car 1 does not come off, and the door car 1 can be easily pulled out. It can be fixed to the chassis 100 .

Accordingly, as the door car 1 is separated from the chassis 100 by an external force, the door vehicle 1 is more firmly mounted on the chassis 100 .

When the door car 1 is about to be separated, since the protrusion 21 receives a force from the locking part 102, the protrusion 21 receives a rotational force based on the elastic pressing member 23b, and this is the sub-elastic ball 23a ) instead of bending to soften the rotational force to attenuate the external force applied to the protrusion 21 , so that the door car 1 solidifies the coupling force to the chassis 100 .

The above action is the same when the user directly withdraws the support 24 as follows.

When the tension force of the fixing means 2 is insufficient or the protrusion 21 does not properly protrude from the incision hole 12 due to a manufacturing error, or the space of the coupling space 101 rather than the width of the door car 1 . When this is larger, the user may further protrude the protrusion 21 directly as follows.

The user draws the direct gripper 24b of the fixing means 2 downward by hand or using a tool.

Then, the protrusion guide surface 21c of the protrusion 21 that fits the lower inner side of the cut-out 12 slides outward so that the protrusion 21 protrudes left and right outward.

The case in which the door car 1 is separated from the chassis 100 for various reasons or damage to the roller 11 is as follows.

As shown in FIG. 4 , when the operator presses the direct gripper 24b upward using a hand or a tool in the door car 1 fixed to the chassis 100 , the protrusion abuts against the inner surface of the incision hole 12 . The inner entrance guide surface 21a of (21) slides inwardly, so that the inner fitting hole 23a is spaced apart from the inner surface of the door car 1, and the arc-shaped main elastic sphere 23c is bent close to a straight line, so that the protrusion 21 is will be inducted upwards.

When the fixing means 2 is raised upward, if the bent part 22 is ambiguously caught in the incision hole 12 or protrudes to the outside with respect to the incision hole 12, the inner entrance guide surface 21a is placed in the incision hole 12. Since it does not slide, the bent part 22 should be located inside the door car 1 .

At this time, if the door car 1 is pulled out from the chassis 100 with another hand or another tool, the protrusion 21 is not caught by the locking part 102 , so that the door car 1 can be easily separated from the chassis 100 . .

As described above, in the detailed description of the present invention, the most preferred embodiment of the present invention has been described, but various modifications are possible within the scope not departing from the technical scope of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but the protection scope should be recognized from the techniques of the claims to be described later and equivalent technical means from these techniques.

1: Car 11: Roller 12: Incision hole 13: Anchoring groove 14: Auxiliary coupling part
2: fixing means
21: protrusion 21a: inner guide surface 21b: locking end 21c: protrusion guide surface
22: bend
23: elastic part 23a: sub-elastic part 23b: elastic pressing part 23c: main elastic part
24: elastic part 24a: inner fitting hole 24b: direct gripping area
100: chassis 101: coupling space portion 102: engaging portion 103: adhesive portion
200: window frame 201: rail

Claims (2)

A cut-out hole 12 formed through the side of the door car 1 so as to be perpendicular to the forward and backward traveling direction of the roller 11 axially installed on the door car 1;
Fixing means (2) elastically protruding through the cut-out hole (12) inside the door car (1) so as to lock the door car (1) to the chassis (100);
includes,
The fixing means (2) is
a protrusion 21 that protrudes through the cut-out hole 12 obliquely downward and is caught in the chassis 100;
a bent portion 22 formed at the rear end of the protrusion 21 inside the door car 1 so that the fixing means 2 is internally formed in the lower portion of the door car 1 ;
an elastic part 23 extending downward from the bent part 22 to provide an elastic force when the protruding part 21 protrudes inward;
a support part 24 extending from the lower end of the elastic part 23 to fix the fixing means 2 to the inside of the door car 1 or to be gripped by a user;
Induction guide surface (21a) formed on the upper surface of the protrusion (21);
An elastic pressing tool (23b) formed so that the bent part (22) is located inside the door (1) without entering the cut hole (12) so that the center of the elastic part (23) comes into contact with the inner surface of the door (1);
The protrusion 21 is configured to enter the inside of the door car 1 by an induction guide surface 21a that comes into contact with the inner surface of the incision hole 12 and slides inward when the support part 24 is upwardly pressed from the lower part. Chassis car with .
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