Wind-resistant supporting device of retractable door and retractable door

Abstract

The invention discloses a wind-resistant supporting device for a retractable door and the retractable door. The wind-resistant supporting device comprises a shaft sleeve, a spring mechanism, a spring fixing mechanism and a supporting mechanism, the shaft sleeve is vertically arranged and provided with a stress part and a linkage part, the stress part is used for being connected with a sliding transverse shaft of the retractable door, the linkage part is in transmission connection with the supporting mechanism, and when the shaft sleeve bears the force and moves upwards or downwards, the shaft sleeve drives the contact part of the supporting mechanism to move downwards to make contact with the ground; the spring mechanism is coaxially arranged in the shaft sleeve, one end of the spring mechanism is connected with the shaft sleeve and moves along with movement of the shaft sleeve, and the other end of the spring mechanism is fixedly connected with the spring fixing mechanism; the spring fixing mechanism is fixedly arranged on a door frame of the retractable door; and when the shaft sleeve loses the force, the restoring force of the spring mechanism drives the shaft sleeve to reset, and further drives the contact part of the supporting mechanism to move upwards to leave the ground. Opening and closing are achieved through pure mechanical transmission, no electronic device needs to be additionally arranged, manual operation is not needed, and the design is ingenious.

Description

Technical Field

[0001] The present invention relates to the technical field of telescopic doors, and in particular to a telescopic door wind-resistant supporting device and a telescopic door. Background Art

[0002] With the continuous development of society, telescopic doors have been widely used. Telescopic doors are usually fixed and installed outdoors. After the telescopic doors on the market are closed, they mainly rely on their own weight to prevent being blown down by the wind or pushed open by humans. When facing strong winds, telescopic doors are often blown down or displaced by strong winds, causing great economic losses.

[0003] Among them, the existing patent technology CN201152082Y discloses an electromagnetic lock for an electric telescopic door, including an electromagnet and a magnetic conductive plate, wherein the electromagnet is arranged in the head of the electric telescopic door, an up-and-down movement mechanism is arranged above the electromagnet, and the magnetic conductive plate is arranged on the ground below the electromagnet. Although the electromagnetic lock provided by the existing technology can play a certain role in preventing pushing and wind, it has a complex structure, and is inconvenient to install, use and maintain, which is not conducive to market promotion. Summary of the invention

[0004] In order to solve the technical problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a telescopic door wind-resistant support device and a telescopic door, which have a simple structure, low cost, excellent wind-resistant support effect, and are very convenient to install, use and maintain.

[0005] The object of the present invention is achieved through the following technical solutions: a wind-resistant supporting device for a telescopic door, comprising a sleeve, a spring mechanism, a spring fixing mechanism and a supporting mechanism; the sleeve is arranged vertically, and is provided with a force-bearing part and a linkage part, the force-bearing part is used to connect the sliding transverse axis of the telescopic door, so that the sleeve is subjected to the force generated by the upward or downward movement of the sliding transverse axis when the telescopic door is unfolded and moves upward or downward accordingly, the linkage part is transmission-connected to the supporting mechanism, when the sleeve is subjected to the above-mentioned force and moves upward or downward, the sleeve drives the contact part of the supporting mechanism to move downward and contact the ground; the spring mechanism is coaxially arranged in the sleeve, one end of the spring mechanism is connected to the sleeve and moves with the movement of the sleeve, and the other end of the spring mechanism is fixedly connected to the spring fixing mechanism; the spring fixing mechanism is used to be fixedly arranged on the door frame of the telescopic door, and the spring fixing mechanism does not move with the sleeve; when the sleeve loses the above-mentioned force, the restoring force of the spring mechanism drives the sleeve to reset, and then drives the contact part of the supporting mechanism to move upward and leave the ground.

[0006] Furthermore, it also includes a transmission component, one end of which is connected to the force-bearing part of the sleeve, and the other end of the transmission component is used to be placed within the travel range of the sliding horizontal axis when the telescopic door is unfolded.

[0007] Specifically, the transmission component is a sliding tongue, which is used to penetrate the door frame and transmit the connection between the shaft sleeve and the sliding horizontal axis; the force-bearing part of the shaft sleeve is the top of the shaft sleeve.

[0008] Specifically, the sleeve moves upward due to the force generated by the upward movement of the sliding horizontal axis when the telescopic door is unfolded. The linkage part of the sleeve is a linkage pin that is fixed and horizontally placed outside the sleeve and moves with the movement of the sleeve. The support mechanism includes a fixed pin sleeve and an L-shaped support. One end of the L-shaped support is hinged to the linkage pin, and the other end of the L-shaped support is the contact part of the support mechanism. The fixed pin sleeve is horizontally suspended on the outside of the sleeve and does not move with the sleeve, and the inner side surface of the L-shaped support with a hinged end is provided with a hinge shaft, and the hinge shaft is hinged to the fixed pin sleeve; when the sleeve moves upward, the contact part of the support mechanism rotates downward around the linkage pin.

[0009] Specifically, the spring mechanism includes a spring, the spring fixing mechanism is arranged below the shaft sleeve, one end of the spring is connected to the shaft sleeve, and the other end of the spring is connected to the spring fixing mechanism.

[0010] Furthermore, the sleeve moves downward due to the force generated by the downward movement of the sliding horizontal axis when the telescopic door is unfolded, and the supporting mechanism includes a supporting member, which is columnar or block-shaped and fixedly connected to the sleeve, integrally formed or detachably connected, and the bottom of the supporting member is the contact part of the supporting mechanism; when the sleeve moves downward, the contact part of the supporting mechanism moves downward with the sleeve.

[0011] Specifically, the spring mechanism includes a spring, the spring fixing mechanism is arranged above the shaft sleeve, one end of the spring is connected to the shaft sleeve, and the other end of the spring passes through the shaft sleeve and is connected to the spring fixing mechanism.

[0012] Specifically, the spring mechanism also includes a first nut and a second nut, which are respectively connected to the two ends of the spring, and the spring mechanism is connected to the sleeve through the first nut, and the first nut drives the end of the spring to move with the sleeve; the spring mechanism includes a screw rod and a spring fixing seat, and the spring fixing seat is used to be fixedly connected to the door frame, one end of the screw rod is connected to the spring fixing seat, and the other end of the screw rod is screwed and connected to the second nut, and the connection depth between the screw rod and the second nut can adjust the tightness of the spring.

[0013] Furthermore, it also includes an upper sleeve hole seat and a lower sleeve hole seat, which are used to be fixedly set on the door frame, and the upper sleeve hole seat and the lower sleeve hole seat are movably connected to the sleeve; and / or, the sleeve is provided with a telescopic adjustment screw, which is screwed and connected to the upper end of the sleeve, and the part of the telescopic adjustment screw protruding from the sleeve is the force-bearing part of the sleeve; and / or, it also includes a decorative cover, which is at least covered outside the sleeve and the spring fixing mechanism.

[0014] The present invention provides another technical solution to the above-mentioned technical problem: a telescopic door, comprising a door body, which comprises a door frame, a diagonal rod, a fixed transverse axis fixedly connected to the door frame, and a sliding transverse axis slidably connected to the door frame, the rod body or the end of the diagonal rod can be rotatably connected to the fixed transverse axis and the sliding transverse axis respectively to realize the expansion and contraction of the door body, and also comprises a telescopic door wind-resistant supporting device, which comprises a sleeve, a spring mechanism, a spring fixing mechanism and a supporting mechanism; the sleeve is vertically arranged on the outside of the door frame, and is provided with a force-bearing part and a linkage part, the force-bearing part is connected to the sliding transverse axis, and the sleeve is subjected to the force generated by the upward or downward movement of the sliding transverse axis when the door body is expanded, and moves accordingly The linkage part is transmission-connected to the supporting mechanism, and when the sleeve is subjected to the above-mentioned force and moves upward or downward, the sleeve drives the contact part of the supporting mechanism to move downward and contact the ground; the spring mechanism is coaxially arranged in the sleeve, one end of the spring mechanism is connected to the sleeve and moves with the movement of the sleeve, and the other end of the spring mechanism is fixedly connected to the spring fixing mechanism; the spring fixing mechanism is fixedly arranged on the door frame, and the spring fixing mechanism does not move with the sleeve; when the sleeve loses the above-mentioned force, the restoring force of the spring mechanism drives the sleeve to reset, thereby driving the contact part of the supporting mechanism to move upward and leave the ground.

[0015] Specifically, the telescopic door wind-resistant support device also includes a transmission component, one end of which is connected to the force-bearing part of the shaft sleeve, and the other end of which is placed within the travel range of the sliding horizontal axis when the door body is unfolded.

[0016] Furthermore, the transmission component is a sliding tongue, the door frame is provided with a vertical sliding groove, the sliding tongue passes through the sliding groove and is transmission-connected to the shaft sleeve and the sliding horizontal axis; the force-bearing part of the shaft sleeve is the top of the shaft sleeve.

[0017] Specifically, the sleeve moves upward due to the force generated by the upward movement of the sliding horizontal axis when the door body is unfolded. The linkage part of the sleeve is a linkage pin that is fixed and horizontally placed outside the sleeve and moves with the movement of the sleeve. The support mechanism includes a fixed pin sleeve and an L-shaped support. One end of the L-shaped support is hinged to the linkage pin, and the other end of the L-shaped support is the contact part of the support mechanism. The fixed pin sleeve is horizontally suspended on the outside of the sleeve and does not move with the sleeve, and the inner side surface of the L-shaped support with a hinged end is provided with a hinge shaft, and the hinge shaft is hinged to the fixed pin sleeve; when the sleeve moves upward, the contact part of the support mechanism rotates downward around the linkage pin.

[0018] Furthermore, the spring mechanism includes a spring, the spring fixing mechanism is arranged below the shaft sleeve, one end of the spring is connected to the shaft sleeve, and the other end of the spring is connected to the spring fixing mechanism.

[0019] Specifically, the sleeve moves downward due to the force generated by the downward movement of the sliding horizontal axis when the door body is unfolded, and the supporting mechanism includes a supporting member, which is columnar or block-shaped and fixedly connected to the sleeve, integrally formed or detachably connected, and the bottom of the supporting member is the contact part of the supporting mechanism; when the sleeve moves downward, the contact part of the supporting mechanism moves downward with the sleeve.

[0020] Specifically, the spring mechanism includes a spring, the spring fixing mechanism is arranged above the shaft sleeve, one end of the spring is connected to the shaft sleeve, and the other end of the spring passes through the shaft sleeve and is connected to the spring fixing mechanism.

[0021] Furthermore, the spring mechanism also includes a first nut and a second nut, which are respectively connected to two ends of the spring, and the spring mechanism is connected to the sleeve via the first nut, and the first nut drives the end of the spring to move along with the sleeve; the spring mechanism includes a screw rod and a spring fixing seat, and the spring fixing seat is fixedly connected to the door frame, one end of the screw rod is connected to the spring fixing seat, and the other end of the screw rod is screwed to the second nut, and the connection depth between the screw rod and the second nut can adjust the tightness of the spring.

[0022] Specifically, it also includes an upper sleeve hole seat and a lower sleeve hole seat, which are fixedly arranged on the door frame, and the upper sleeve hole seat and the lower sleeve hole seat are movably connected to the sleeve; and / or, the sleeve is provided with a telescopic adjustment screw, which is screwed and connected to the upper end of the sleeve, and the part of the telescopic adjustment screw protruding from the sleeve is the force-bearing part of the sleeve; and / or, it also includes a decorative cover, which is at least arranged outside the sleeve and the spring fixing mechanism.

[0023] Compared with the prior art, the present invention has at least the following beneficial effects:

[0024] 1. The telescopic door wind-resistant support device and telescopic door of the present invention utilize the reciprocating up and down motion of the sliding horizontal axis of the telescopic door when the door body is opened and closed, and the telescopic door wind-resistant support device installed on the outside of the column is linked. When the door body is fully extended, it can automatically contact the ground for support, and when the door body is closed, the support mechanism can be automatically lifted without affecting the normal operation of the door body. The opening and closing of the telescopic door wind-resistant support device of the present invention is the result of pure mechanical transmission, without the need for additional electronic devices or manual operation, and the design is ingenious.

[0025] 2. The telescopic door wind-resistant support device and telescopic door of the present invention do not need to process other parts of the telescopic door except the door frame column, so that the telescopic door wind-resistant support device has strong adaptability and can be used universally on different door products, thereby reducing production and assembly costs. The number and position of the telescopic door wind-resistant support device can also be selected according to the length of the door body and other needs, and the adjustment space is large. In particular, no processing is required on the ground, which avoids processing damage to the user's site and reduces the labor and material costs of on-site processing.

[0026] 3. The screwing design of the telescopic adjustment screw and the upper end of the sleeve of the present invention can adjust the height of the support mechanism installed at the bottom of the sleeve when the door body is fully unfolded by adjusting the height of the screw relative to the sliding tongue, so that the support mechanism can still touch the ground when the operating ground is uneven, thereby supporting the door body.

[0027] 4. The screwing relationship between the second nut of the spring mechanism and the screw rod of the spring fixing mechanism has the function of adjusting the tightness of the spring, providing sufficient restoring force for the supporting mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic structural diagram of the telescopic door of Example 1.

[0029] Figure 2 for Figure 1 A partial enlarged view of .

[0030] Figure 3 The schematic diagram of the structure of the telescopic door wind-resistant support device of Example 1 with the decorative cover removed.

[0031] Figure 4 This is a schematic diagram of the half-section structure of the telescopic door wind-resistant support device of Example 1.

[0032] Figure 5 This is a schematic diagram of the structure of the folding support mechanism of Example 1.

[0033] Figure 6 This is a partial disassembly diagram of Example 1.

[0034] Figure 7 This is a schematic diagram of the structure of the telescopic door of Example 2.

[0035] Figure 8 This is a schematic structural diagram of the wind-resistant support device for the telescopic door of Example 2.

[0036] Fig. 9 This is a schematic diagram of the structure of the folding support mechanism of Example 2.

[0037] Fig.10 This is a schematic diagram of the half-section structure of the telescopic door wind-resistant support device of Example 2.

[0038] In the figure: 10-door body, 11-door head, 120-column, 14-diagonal rod, 16-fixed horizontal axis, 18a, 18c-sliding horizontal axis, 180-sliding block, 20, 30-wind-resistant supporting device for telescopic door, 21, 31-shaft sleeve, 215, 315-telescopic adjustment screw, 213-third nut, 217-linkage pin, 315-hollow machine screw, 317-fourth nut, 318-fifth nut, 22, 32-sliding Tongue, 23, 33-upper sleeve hole seat, 24, 34-lower sleeve hole seat, 250, 350-spring, 252, 352-first nut, 254, 354-second nut, 353-connecting wire, 264, 364-screw rod, 267, 367-spring fixing seat, 273-fixing pin sleeve, 276-L-shaped support, 2760-articulated shaft, 270-contact part, 372-support, 28, 38-decorative cover. DETAILED DESCRIPTION

[0039] In order to facilitate the understanding of the present invention, the technical solutions and advantages of the invention are further described in detail below in conjunction with the accompanying drawings and embodiments. The mechanisms or methods not described in the present invention can refer to the prior art. The specific structure and characteristics of the present invention are described below by way of example, which should not constitute any limitation to the present invention. At the same time, any of the technical features mentioned below (including implicit or disclosed), as well as any technical features directly displayed or implied in the figure, can continue to be arbitrarily combined or deleted between these technical features, so as to form more other embodiments that may not be directly or indirectly mentioned in the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0040] Example 1

[0041] like Figure 1-6As shown, the telescopic door of the present embodiment 1 includes a door body 10 and a telescopic door wind-resistant support device 20. The telescopic door wind-resistant support device 20 is installed on the outer side of the door body 10 to support the door body 10 against wind.

[0042] Specifically, the door body 10 includes a door machine head 11, a door frame, a diagonal rod 14, a fixed horizontal axis 16, and a sliding horizontal axis. The door machine head 11 is electric, connected to the door frame, and drives the door frame to move between the extended position and the folded position. The diagonal rod 14, the fixed horizontal axis 16, and the sliding horizontal axis are arranged in the door frame, the fixed horizontal axis 16 is fixedly connected to the door frame, at least two sliding horizontal axes are arranged above and below the fixed horizontal axis 16, and the sliding horizontal axis is slidably connected to the door frame. The rod body or end of the diagonal rod 14 can be rotatably connected to the fixed horizontal axis 16 and the sliding horizontal axis to realize the expansion and folding of the telescopic door. In other embodiments, the door body 10 is not provided with a door machine head 11, and the telescopic door is manual.

[0043] The telescopic door wind-resistant support device 20 is generally a pair of two, and a pair of telescopic door wind-resistant support devices 20 are respectively arranged on the outside of two columns 120 of the same door frame, and symmetrically support the door body 10. The telescopic door wind-resistant support device 20 includes a sleeve 21, a transmission component, an upper sleeve hole seat 23, a lower sleeve hole seat 24, a spring mechanism, a spring fixing mechanism, a support mechanism and a decorative cover 28. The telescopic door wind-resistant support device 20 of Example 1 relies on the transmission connection with the sliding horizontal shaft 18a that slides upward when the door body 10 is unfolded to activate the wind-resistant support function.

[0044] Specifically, the sleeve 21 is a hollow outer circle and inner hexagonal sleeve-shaped structure similar to a latch, and is vertically arranged on the outside of the column 120 of the door frame. The upper sleeve hole seat 23 and the lower sleeve hole seat 24 are fixedly connected to the outside of the column 120 of the door frame one above and one below. The upper sleeve hole seat 23 and the lower sleeve hole seat 24 are movably connected to the sleeve 21 to limit the path of the sleeve 21 moving up and down. The sleeve 21 is provided with a force-bearing part and a linkage part. The force-bearing part is connected to the sliding horizontal axis 18a. In this embodiment, preferably, the sleeve 21 is provided with a telescopic adjustment screw 215 and a third nut 213. The upper end of the sleeve 21 is tapped with threads, and the telescopic adjustment screw 215 is screwed and connected to the upper end of the sleeve 21. The part of the telescopic adjustment screw 215 protruding from the sleeve 21 is the force-bearing part of the sleeve 21.

[0045] The force-bearing part of the sleeve 21 is connected to the sliding horizontal axis 18a that moves upward when the door body 10 is unfolded through the transmission component, so that the sleeve 21 is moved upward by the force generated by the upward movement of the sliding horizontal axis 18a when the door body 10 is unfolded. In this embodiment, the transmission component is a sliding tongue 22. A vertical sliding groove is opened at the corresponding part of the column 120 of the door frame. The first sliding groove is located on the inner side of the door frame and is slidably connected to the sliding horizontal axis 18a. The second sliding groove is located on the outer side of the door frame and is slidably connected to the sliding tongue 22. One end of the sliding tongue 22 is sleeved with the protruding part connected to the telescopic adjustment screw 215, and the position is limited by the third nut 213. The other end of the sliding tongue 22 is placed in the first sliding groove and is located above the sliding horizontal axis 18a. When the door body 10 is unfolded, the sliding horizontal axis 18a moves upward, and after moving a displacement, it contacts the sliding tongue 22. The sliding horizontal axis 18a continues to move upward to push the sliding tongue 22 upward, and then the sliding tongue 22 drives the sleeve 21 to move upward. It can be seen that the other end of the sliding tongue 22 does not have to be fixedly connected to the sliding horizontal axis 18a. It is only necessary to set the other end of the sliding tongue 22 within the travel range when the sliding horizontal axis 18a moves upward to drive the sliding tongue 22 to move upward. In this embodiment, preferably, in order to increase the contact surface between the sliding horizontal axis 18a and the sliding tongue 22, a slider 180 is set at the end of the sliding horizontal axis 18a. The slider 180 is hidden in the first slide groove because the width of the door frame cavity is large enough to use a large slider 180. In other embodiments, it can also be designed to be a circular pulley slider 180 that rolls upward and downward to reduce the contact surface between the slider 180 and the slide groove, the pulley friction resistance is smaller, and the door body 10 runs more easily. The linkage part of the sleeve 21 is a transmission connection support mechanism. In this embodiment, preferably, the linkage part of the sleeve 21 is a linkage pin 217 that is fixedly connected to the sleeve 21 and horizontally placed outside the sleeve 21, and moves up and down with the sleeve 21.

[0046] The support mechanism includes a fixed pin sleeve 273 and an L-shaped support member 276, one end of the L-shaped support member 276 is hinged to the linkage pin 217, and the other end of the L-shaped support member 276 is the contact portion 270 of the support mechanism. The fixed pin sleeve 273 is suspended horizontally on the outside of the sleeve 21 and does not move with the sleeve 21. The inner side surface of the L-shaped support member 276 with a hinged end is provided with a hinge shaft 2760, and the hinge shaft 2760 is hinged to the fixed pin sleeve 273. When the sleeve 21 drives the linkage pin 217 to move upward, the other end of the L-shaped support member 276 rotates downward around the linkage pin 217, and then the contact portion 270 of the support mechanism moves downward and contacts the ground. Furthermore, since the L-shaped support 276 is hinged to the fixed pin sleeve 273 via the hinge shaft 2760, the upward rotation of the locked L-shaped support 276 and the downward return of the sleeve 21 must be performed synchronously, and the sliding transverse axis 18a must be pressed against the sleeve 21 when the door body 10 is unfolded, that is, the sleeve 21 must not be reset downward when the door body 10 is unfolded. Therefore, when the contact portion 270 of the L-shaped support 276 is subjected to an upward force, that is, when the door body 10 is pushed by wind or other external forces and pressure is generated on the contact portion 270 of the L-shaped support 276, the contact portion 270 of the support mechanism has enough force to press against the ground when the door body 10 is unfolded and does not flip at will.

[0047] The spring mechanism includes a spring 250, a first nut 252 and a second nut 254. The spring 250 is arranged vertically, and the two ends of the spring 250 are respectively connected to the first nut 252 and the second nut 254. The spring mechanism is coaxially arranged in the sleeve 21, and the first nut 252 is fixedly connected in the sleeve 21 and moves with the movement of the sleeve 21. The second nut 254 is connected to the spring fixing mechanism. The second nut 254 is a long hexagonal nut. When the sleeve 21 moves up and down with the door body 10 opening and closing, the sleeve 21 will move up and down under the guidance of the second nut 254.

[0048] The spring fixing mechanism is arranged below the shaft sleeve 21, and the spring mechanism includes a screw rod 264 and a spring fixing seat 267. The spring fixing seat 267 is fixedly connected to the outside of the column 120 of the door frame, so that the spring fixing mechanism does not move with the shaft sleeve 21. One end of the screw rod 264 is connected to the spring fixing seat 267, and the other end of the screw rod 264 is screwed and connected to the second nut 254. When the door body 10 is closed and retracted, the sliding horizontal axis 18a moves downward, and when the sliding tongue 22 loses the force to maintain it in the upper position, the spring 250 is reset to pull the shaft sleeve 21 to move downward and reset, thereby driving the contact portion 270 of the support mechanism to move upward and leave the ground.

[0049] The decorative cover 28 is arranged outside the pillar 120 of the door frame. The decorative cover 28 at least covers the outside of the shaft sleeve 21 and the spring fixing mechanism, and plays the role of beautifying the decoration and protecting the internal structure.

[0050] The working principle of this telescopic door is as follows:

[0051] When the door body 10 is unfolded, as the distance between the door frames is pulled apart, the diagonal rod 14 drives the sliding horizontal axis 18a to move. Some sliding horizontal axis 18a moves downward, and some sliding horizontal axis 18a moves upward. The telescopic door wind-resistant support device 20 connected to the sliding horizontal axis 18a that slides upward is activated. Specifically, the sliding horizontal axis 18a moves upward, and after moving to a certain displacement, it contacts the sliding tongue 22. The sliding horizontal axis 18a continues to move upward to push the sliding tongue 22 upward, and then the sliding tongue 22 drives the sleeve 21 to move upward. During the upward movement of the sleeve 21, the spring 250 is stretched upward while driving the linkage pin 217 to move upward. The upward movement of the linkage pin 217 causes the other end of the L-shaped support 276 hinged thereto to rotate downward around the linkage pin 217, and then the contact portion 270 of the support mechanism moves downward and contacts the ground. Since the L-shaped support 276 is hinged to the fixed pin sleeve 273 through the hinge shaft 2760, when the sleeve 21 is pressed and lifted by the sliding horizontal shaft 18a, the L-shaped support 276 cannot flip upward, so that the contact part 270 of the support mechanism has enough force to press against the ground.

[0052] When the door body 10 is folded, the sliding transverse shaft 18a connected to the telescopic door wind-resistant support device 20 moves downward to reset, and the sliding tongue 22 and the shaft sleeve 21 maintain the force, and the stretched spring 250 resets, and the spring 250 drives the shaft sleeve 21 and the sliding tongue 22 to move downward until the sliding tongue 22 hits the bottom of the second slide groove. The shaft sleeve 21 moves downward to drive the linkage pin 217 to move downward, and the linkage pin 217 moves downward to make the other end of the L-shaped support 276 hinged thereto flip upward around the linkage pin 217, and then the contact portion 270 of the support mechanism moves upward and leaves the ground.

[0053] Example 2

[0054] like Figure 7-10 As shown, the telescopic door of the present embodiment 2 includes a door body 10 and a telescopic door wind-resistant support device 30. The telescopic door wind-resistant support device 30 is installed on the outside of the column 120 of the door body 10 to support the door body 10 against wind.

[0055] Specifically, the door body 10 includes a door machine head 11, a door frame, a diagonal rod 14, a fixed horizontal axis 16, and a sliding horizontal axis. The door machine head 11 is electric, connected to the door frame, and drives the door frame to move between the extended position and the folded position. The diagonal rod 14, the fixed horizontal axis 16, and the sliding horizontal axis are arranged in the door frame, the fixed horizontal axis 16 is fixedly connected to the door frame, at least two sliding horizontal axes are arranged above and below the fixed horizontal axis 16, and the sliding horizontal axis is slidably connected to the door frame. The rod body or end of the diagonal rod 14 can be rotatably connected to the fixed horizontal axis 16 and the sliding horizontal axis to realize the expansion and folding of the telescopic door. In other embodiments, the door body 10 is not provided with a door machine head 11, and the telescopic door is manual.

[0056] The telescopic door wind-resistant support device 30 is generally a pair of two, and a pair of telescopic door wind-resistant support devices 30 are respectively arranged on the outside of two columns 120 of the same door frame, and symmetrically support the door body 10. The telescopic door wind-resistant support device 30 includes a sleeve 31, a transmission component, an upper sleeve hole seat 33, a lower sleeve hole seat 34, a spring mechanism, a spring fixing mechanism, a support mechanism and a decorative cover 38. The telescopic door wind-resistant support device 30 of Example 2 relies on the transmission connection with the sliding horizontal shaft 18c that slides downward when the door body 10 is unfolded to activate the wind-resistant support function.

[0057] Specifically, the sleeve 31 is a hollow outer circle and inner hexagonal sleeve structure similar to a bolt, which is vertically arranged on the outside of the column 120 of the door frame. The upper sleeve hole seat 33 and the lower sleeve hole seat 34 are fixedly connected to the outside of the column 120 of the door frame one above and one below. The upper sleeve hole seat 33 and the lower sleeve hole seat 34 are movably connected to the sleeve 31 to limit the path of the sleeve 31 moving up and down. The sleeve 31 is provided with a force-bearing part and a linkage part. The force-bearing part is connected to the sliding horizontal axis 18c. In this embodiment, preferably, the sleeve 31 is provided with a telescopic adjustment screw, a fourth nut 317 and a fifth nut 318. The telescopic adjustment screw is a hollow machine screw 315, and both ends of the telescopic adjustment screw are provided with threads. The upper end of the sleeve 31 is tapped with threaded threads, and the lower end of the hollow machine screw 315 is screwed and connected to the upper end of the sleeve 31. The portion of the hollow machine screw 315 protruding from the sleeve 31 is the force-bearing portion of the sleeve 31 .

[0058] The force-bearing part of the sleeve 31 is connected to the sliding horizontal axis 18c that moves downward when the door body 10 is unfolded through the transmission component, so that the sleeve 31 is subjected to the force generated by the downward movement of the sliding horizontal axis 18c when the door body 10 is unfolded, and moves downward accordingly. In this embodiment, the transmission component is preferably a sliding tongue 32. A vertical sliding groove is opened at the corresponding part of the column 120 of the door frame, and the first sliding groove is located on the inner side of the door frame, which is slidably connected to the sliding horizontal axis 18c, and the second sliding groove is located on the outer side of the door frame, which is slidably connected to the sliding tongue 32. One end of the sliding tongue 32 is sleeved with the protruding part connected to the hollow machine screw 315, and the position is limited by the fourth nut 317 and the fifth nut 318. The other end of the sliding tongue 32 is placed in the first sliding groove and is located below the sliding horizontal axis 18c. When the door body 10 is unfolded, the sliding horizontal axis 18c moves downward, and after moving a displacement, it contacts the sliding tongue 32, and the sliding horizontal axis 18c continues to move downward to push the sliding tongue 32 to move downward, and then the sliding tongue 32 drives the sleeve 31 to move downward. It can be seen that the other end of the sliding tongue 32 does not have to be fixedly connected to the sliding horizontal axis 18c. It is only necessary to set the other end of the sliding tongue 32 within the travel range when the sliding horizontal axis 18c moves downward to drive the sliding tongue 32 to move downward. In this embodiment, preferably, in order to increase the contact surface between the sliding horizontal axis 18c and the sliding tongue 32, a slider 180 is set at the end of the sliding horizontal axis 18c. The slider 180 is hidden in the first slide groove because the width of the door frame cavity is large enough to use a large slider 180. In other embodiments, it can also be designed to be a circular pulley slider 180 that rolls up and down to reduce the contact surface between the slider 180 and the slide groove, the pulley friction resistance is smaller, and the door body 10 runs more easily. The linkage part of the sleeve 31 is a transmission connection support mechanism. In this embodiment, preferably, the linkage part of the sleeve 31 is the lower end of the sleeve 31, which moves up and down with the sleeve 31.

[0059] The supporting mechanism includes a columnar supporting member 372, which is integrally formed with the lower end of the sleeve 31, and the bottom of the supporting member 372 is the contact portion of the supporting mechanism. When the sleeve 31 moves downward, the bottom of the supporting member 372 moves downward with the sleeve 31, and then the contact portion of the supporting mechanism contacts the ground. In other embodiments, the supporting member 372 can be block-shaped or in other shapes, and the supporting member 372 can be connected to the lower end of the sleeve 31, or can be connected to other parts of the sleeve 31, as long as the bottom of the supporting member 372 is lower than the lower end of the sleeve 31. In other embodiments, the connection relationship between the supporting member 372 and the sleeve 31 can be integrally formed, or can be a fixed connection such as welding, or can be a detachable connection such as a screw connection. In other embodiments, the material of the supporting member 372 can be metal or rubber, and rubber is conducive to increasing friction with the ground.

[0060] The spring mechanism includes a spring 350, a first nut 352, a connecting wire 353 and a second nut 354. The spring 350 is arranged vertically, and the spring 350 is coaxially arranged in the sleeve 31. The lower end of the spring 350 is connected to the first nut 352, which is arranged in the sleeve 31 and fixedly connected to the sleeve 31. The lower nut 354 moves with the sleeve 31. The connecting wire 353 passes through the through hole of the hollow machine screw 315 and extends out of the sleeve 31. The upper end of the spring 350 is connected to the second nut 354 located above the sleeve 31 through the connecting wire 353. The second nut 354 is fixedly connected to the spring fixing mechanism above the sleeve 31. In this embodiment, preferably, the second nut 354 is a long hexagonal nut, and a short sleeve is connected to the outer surface of the second nut 354. When the sleeve 31 moves up and down with the door body 10, the short sleeve will move up and down under the guidance of the second nut 354.

[0061] The spring fixing mechanism is arranged above the shaft sleeve 31, and the spring mechanism includes a screw rod 364 and a spring fixing seat 367. The spring fixing seat 367 is fixedly connected to the outside of the column 120 of the door frame, so that the spring fixing mechanism does not move with the shaft sleeve 31. One end of the screw rod 364 is connected to the spring fixing seat 367, and the other end of the screw rod 364 is screwed and connected to the second nut 354. When the door body 10 is closed and retracted, the sliding horizontal axis 18c moves upward, and when the sliding tongue 32 loses the force to maintain it in the lower position, the spring 350 resets and pulls the shaft sleeve 31 to move upward and reset, thereby driving the contact part of the support mechanism to move upward and leave the ground.

[0062] The decorative cover 38 is arranged outside the pillar 120 of the door frame. The decorative cover 38 at least covers the outside of the shaft sleeve 31 and the spring fixing mechanism to beautify the decoration and protect the internal structure.

[0063] The working principle of this telescopic door is as follows:

[0064] When the door body 10 is unfolded, as the distance between the door frames is pulled apart, the diagonal rod drives the sliding horizontal axis 18c to move. Some sliding horizontal axis 18c moves downward, and some sliding horizontal axis 18c moves upward. The telescopic door wind-resistant support device 30 connected to the sliding horizontal axis 18c that slides downward is activated. Specifically, the sliding horizontal axis 18c moves downward, and after moving to a certain displacement, it contacts the sliding tongue 32. The sliding horizontal axis 18c continues to move downward to push the sliding tongue 32 downward, and then the sliding tongue 32 drives the sleeve 31 to move downward. In the process of the sleeve 31 moving downward, the spring 350 is stretched downward, and the support member 372 is driven to move downward, and then the contact part of the support mechanism contacts the ground. Because the sleeve 31 is pressed down by the sliding horizontal axis 18c, the support member 372 cannot move upward, so that the contact part of the support mechanism has enough force to press against the ground.

[0065] When the door body 10 is folded, the sliding transverse shaft 18c connected to the telescopic door wind-resistant support device 30 moves upward to reset, and the sliding tongue 32 and the shaft sleeve 31 maintain the force, and the stretched spring 350 resets, and the spring 350 drives the shaft sleeve 31 and the sliding tongue 32 to move upward until the sliding tongue 32 contacts the top of the second slide groove. The shaft sleeve 31 moves upward to drive the support member 372 to move upward, and then the contact part of the support mechanism leaves the ground.

[0066] Compared with the prior art, Example 1 and Example 2 utilize the reciprocating up and down motion of the sliding horizontal axis of the telescopic door when the door body is opened and closed, and the telescopic door wind-resistant support device installed on the outside of the column is linked. When the door body is unfolded, it can automatically contact the ground for support, and when the door body is folded, the support mechanism can be automatically lifted without affecting the normal operation of the door body. The opening and closing of the telescopic door wind-resistant support device of the present invention is the result of pure mechanical transmission, without the need for additional electronic devices or manual operation, and the design is ingenious. Moreover, there is no need to process other parts of the telescopic door other than the door frame column, so that the telescopic door wind-resistant support device has strong adaptability and can be used on different door body products, reducing production and assembly costs. The number and position of the telescopic door wind-resistant support device can also be selected according to the length of the door body and other needs, and the adjustment space is large. In particular, there is no need to perform any processing on the ground, which avoids processing damage to the user's site and reduces the labor and material costs of on-site processing.

[0067] Furthermore, the screwing design of the telescopic adjustment screw and the upper end of the sleeve can adjust the height of the support mechanism installed at the bottom of the sleeve when the door body is fully extended by adjusting the height of the support mechanism relative to the sliding tongue, so that the support mechanism can still touch the ground when the ground is uneven, and play a supporting role for the door body. The screwing relationship between the second nut of the spring mechanism and the screw rod of the spring fixing mechanism has the function of adjusting the tightness of the spring. The above two embodiments use the restoring force of the spring after stretching. In other embodiments, the restoring force of the spring after compression can be used.

[0068] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. For ordinary technicians in this field, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A telescopic door wind-resistant support device, characterized in that: The invention comprises a shaft sleeve, a spring mechanism, a spring fixing mechanism and a supporting mechanism; the shaft sleeve is arranged vertically, and is provided with a force-bearing part and a linkage part, the force-bearing part is used to connect the sliding transverse axis of the telescopic door, so that the shaft sleeve is subjected to the force generated by the upward or downward movement of the sliding transverse axis when the telescopic door is unfolded and moves upward or downward accordingly, and the linkage part is transmission-connected to the supporting mechanism, and when the shaft sleeve moves upward or downward under the above-mentioned force, the shaft sleeve drives the contact part of the supporting mechanism to move downward and contact the ground; the spring mechanism is coaxially arranged in the shaft sleeve, one end of the spring mechanism is connected to the shaft sleeve and moves with the movement of the shaft sleeve, and the other end of the spring mechanism is fixedly connected to the spring fixing mechanism; the spring fixing mechanism is used to be fixedly arranged on the door frame of the telescopic door, and the spring fixing mechanism does not move with the shaft sleeve; when the shaft sleeve loses the above-mentioned force, the restoring force of the spring mechanism drives the shaft sleeve to reset, and then drives the contact part of the supporting mechanism to move upward and leave the ground.

2. The telescopic door wind-resistant support device according to claim 1, characterized in that: It also includes a transmission component, one end of which is connected to the force-bearing part of the sleeve, and the other end of which is used to be placed within the travel range of the sliding horizontal axis when the telescopic door is unfolded.

3. The wind-resistant support device for a telescopic door according to claim 2, characterized in that: The transmission component is a sliding tongue, which is used to penetrate the door frame and transmit the connection between the shaft sleeve and the sliding horizontal shaft; the force-bearing part of the shaft sleeve is the top of the shaft sleeve.

4. The wind-resistant support device for a telescopic door according to claim 1, characterized in that: The sleeve moves upward due to the force generated by the upward movement of the sliding horizontal axis when the telescopic door is unfolded. The linkage part of the sleeve is a linkage pin that is fixed and horizontally arranged outside the sleeve and moves with the movement of the sleeve. The support mechanism includes a fixed pin sleeve and an L-shaped support. One end of the L-shaped support is hinged to the linkage pin, and the other end of the L-shaped support is the contact part of the support mechanism. The fixed pin sleeve is horizontally suspended on the outside of the sleeve and does not move with the sleeve, and the inner side surface of the L-shaped support with a hinged end is provided with a hinge shaft, and the hinge shaft is hinged to the fixed pin sleeve; when the sleeve moves upward, the contact part of the support mechanism rotates downward around the linkage pin.

5. The wind-resistant support device for telescopic doors according to claim 4, characterized in that: The spring mechanism comprises a spring, the spring fixing mechanism is arranged below the shaft sleeve, one end of the spring is connected to the shaft sleeve, and the other end of the spring is connected to the spring fixing mechanism.

6. The wind-resistant support device for a telescopic door according to claim 1, characterized in that: The sleeve moves downward due to the force generated by the downward movement of the sliding horizontal axis when the telescopic door is unfolded. The supporting mechanism includes a supporting member, which is columnar or block-shaped and fixedly connected to the sleeve, integrally formed or detachably connected. The bottom of the supporting member is the contact part of the supporting mechanism; when the sleeve moves downward, the contact part of the supporting mechanism moves downward with the sleeve.

7. The wind-resistant support device for a telescopic door according to claim 6, characterized in that: The spring mechanism comprises a spring, the spring fixing mechanism is arranged above the shaft sleeve, one end of the spring is connected to the shaft sleeve, and the other end of the spring passes through the shaft sleeve and is connected to the spring fixing mechanism.

8. The wind-resistant support device for a telescopic door according to claim 5 or 7, characterized in that: The spring mechanism also includes a first nut and a second nut, which are respectively connected to two ends of the spring. The spring mechanism is connected to the sleeve via the first nut, and the first nut drives the end of the spring to move along with the sleeve; the spring mechanism includes a screw rod and a spring fixing seat, and the spring fixing seat is used to be fixedly connected to the door frame, one end of the screw rod is connected to the spring fixing seat, and the other end of the screw rod is screwed and connected to the second nut, and the connection depth between the screw rod and the second nut can adjust the tightness of the spring.

9. The wind-resistant support device for a telescopic door according to claim 1, characterized in that: It also includes an upper sleeve hole seat and a lower sleeve hole seat, the upper sleeve hole seat and the lower sleeve hole seat are used to be fixedly arranged on the door frame, and the upper sleeve hole seat and the lower sleeve hole seat are movably sleeved with the sleeve; and / or, The shaft sleeve is provided with a telescopic adjustment screw, the telescopic adjustment screw is screwedly connected to the upper end of the shaft sleeve, and the portion of the telescopic adjustment screw protruding from the shaft sleeve is the force-bearing portion of the shaft sleeve; and / or, It also includes a decorative cover, which is at least arranged outside the shaft sleeve and the spring fixing mechanism.

10. A telescopic door, comprising a door body, a door frame, a diagonal rod, a fixed transverse axis fixedly connected to the door frame, and a sliding transverse axis slidably connected to the door frame, wherein the rod body or the end of the diagonal rod can be rotatably connected to the fixed transverse axis and the sliding transverse axis respectively to realize the expansion and folding of the door body, characterized in that: It also includes a telescopic door wind-resistant supporting device, which includes a sleeve, a spring mechanism, a spring fixing mechanism and a supporting mechanism; the sleeve is vertically arranged on the outside of the door frame, and is provided with a force-bearing part and a linkage part, the force-bearing part is connected to the sliding horizontal axis, and the sleeve moves upward or downward accordingly due to the force generated by the sliding horizontal axis moving upward or downward when the door body is unfolded; the linkage part is transmission-connected to the supporting mechanism, and when the sleeve moves upward or downward due to the above-mentioned force, the sleeve drives the contact part of the supporting mechanism to move downward and contact the ground; the spring mechanism is coaxially arranged in the sleeve, one end of the spring mechanism is connected to the sleeve and moves with the movement of the sleeve, and the other end of the spring mechanism is fixedly connected to the spring fixing mechanism; the spring fixing mechanism is fixedly arranged on the door frame, and the spring fixing mechanism does not move with the sleeve; when the sleeve loses the above-mentioned force, the restoring force of the spring mechanism drives the sleeve to reset, and then drives the contact part of the supporting mechanism to move upward and leave the ground.

11. The telescopic door according to claim 10, characterized in that: The telescopic door wind-resistant support device also includes a transmission component, one end of which is connected to the force-bearing part of the shaft sleeve, and the other end of which is placed within the travel range of the sliding horizontal axis when the door body is unfolded.

12. The telescopic door according to claim 11, characterized in that: The transmission component is a sliding tongue, and the door frame is provided with a vertical sliding groove. The sliding tongue penetrates the sliding groove and is transmission-connected to the shaft sleeve and the sliding horizontal shaft; the force-bearing part of the shaft sleeve is the top of the shaft sleeve.

13. The telescopic door according to claim 10, characterized in that: The sleeve moves upward due to the force generated by the upward movement of the sliding horizontal axis when the door body is unfolded. The linkage part of the sleeve is a linkage pin that is fixed and horizontally placed outside the sleeve and moves with the movement of the sleeve. The support mechanism includes a fixed pin sleeve and an L-shaped support. One end of the L-shaped support is hinged to the linkage pin, and the other end of the L-shaped support is the contact part of the support mechanism. The fixed pin sleeve is horizontally suspended on the outside of the sleeve and does not move with the sleeve, and the inner side surface of the L-shaped support with a hinged end is provided with a hinge shaft, and the hinge shaft is hinged to the fixed pin sleeve; when the sleeve moves upward, the contact part of the support mechanism rotates downward around the linkage pin.

14. The telescopic door according to claim 13, characterized in that: The spring mechanism comprises a spring, the spring fixing mechanism is arranged below the shaft sleeve, one end of the spring is connected to the shaft sleeve, and the other end of the spring is connected to the spring fixing mechanism.

15. The telescopic door according to claim 10, characterized in that: The sleeve moves downward due to the force generated by the downward movement of the sliding horizontal axis when the door body is unfolded. The supporting mechanism includes a supporting member, which is columnar or block-shaped and fixedly connected to the sleeve, integrally formed or detachably connected. The bottom of the supporting member is the contact part of the supporting mechanism; when the sleeve moves downward, the contact part of the supporting mechanism moves downward with the sleeve.

16. The telescopic door according to claim 15, characterized in that: The spring mechanism comprises a spring, the spring fixing mechanism is arranged above the shaft sleeve, one end of the spring is connected to the shaft sleeve, and the other end of the spring passes through the shaft sleeve and is connected to the spring fixing mechanism.

17. The telescopic door according to claim 14 or 16, characterized in that: The spring mechanism also includes a first nut and a second nut, which are respectively connected to two ends of the spring. The spring mechanism is connected to the sleeve via the first nut, and the first nut drives the end of the spring to move along with the sleeve; the spring mechanism includes a screw rod and a spring fixing seat, and the spring fixing seat is fixedly connected to the door frame. One end of the screw rod is connected to the spring fixing seat, and the other end of the screw rod is screwed to the second nut. The connection depth between the screw rod and the second nut can adjust the tightness of the spring.

18. The telescopic door according to claim 10, characterized in that: It also includes an upper sleeve hole seat and a lower sleeve hole seat, wherein the upper sleeve hole seat and the lower sleeve hole seat are fixedly arranged on the door frame, and the upper sleeve hole seat and the lower sleeve hole seat are movably sleeved with the sleeve; and / or, The shaft sleeve is provided with a telescopic adjustment screw, the telescopic adjustment screw is screwedly connected to the upper end of the shaft sleeve, and the portion of the telescopic adjustment screw protruding from the shaft sleeve is the force-bearing portion of the shaft sleeve; and / or, It also includes a decorative cover, which is at least arranged outside the shaft sleeve and the spring fixing mechanism.

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