Floor spring accessory and door applying same

Abstract

The utility model relates to a floor spring accessory and a door applying the same, the floor spring accessory comprises a connecting shaft, an upper hand upper seat fixedly installed on the top of a door frame and an upper hand lower seat fixedly installed on the top edge of a door body, an upper shaft hole is formed in the upper hand upper seat, and a lower shaft hole is formed in the upper hand lower seat. One part of the connecting shaft is limited in the upper shaft hole, and the other part of the connecting shaft is limited in the lower shaft hole; the floor spring accessory further comprises a first limiting structure and a second limiting structure, the first limiting structure is used for preventing the connecting shaft from moving downwards to leave the upper shaft hole, and the second limiting structure is used for preventing the upper hand lower seat from falling to be separated from the connecting shaft, so that one part of the connecting shaft is limited to be located in the upper shaft hole, and the other part of the connecting shaft is limited to be located in the lower shaft hole. The floor spring accessory solves the problem that in the prior art, due to the fact that a connecting shaft is separated from an upper shaft hole or a lower shaft hole, a door body topples over. The floor spring accessory is simple in structure, safe and economical to use, convenient to install and beneficial to wide application and popularization.

Description

Technical Field

[0001] The utility model belongs to the technical field of floor springs, and in particular relates to a floor spring accessory and a door using the same. Background Art

[0002] The floor spring accessories are used in conjunction with the floor spring to achieve the purpose of opening and closing the door body driven by the floor spring. Existing floor spring accessories usually include a connecting shaft, an upper hand upper seat fixedly mounted on the top of the door frame, and an upper hand lower seat fixedly mounted on the top edge of the door body. An upper shaft hole is provided in the upper hand upper seat, and a lower shaft hole is provided in the upper hand lower seat. During specific installation, a part of the connecting shaft is located in the upper hand upper seat, and the other part is located in the upper hand lower seat, so as to achieve the rotation of the upper hand lower seat relative to the upper hand upper seat, thereby achieving the opening and closing of the door body relative to the door frame.

[0003] However, if the local spring is not installed properly, resulting in a large gap between the top edge of the door body and the door frame, or if the door body falls during long-term use, the connecting shaft may be disengaged from the upper shaft hole or the lower shaft hole, causing the entire door to topple over and cause injury. Utility Model Content

[0004] In order to solve all or part of the above problems, the purpose of the utility model is to provide a floor spring accessory and a door using the same. The floor spring accessory of the utility model solves the problem in the prior art that the entire door body may tip over due to the connection shaft being separated from the upper shaft hole or the lower shaft hole.

[0005] According to one aspect of the utility model, a floor spring accessory is provided, comprising a connecting shaft, an upper hand upper seat fixedly mounted on the top of a door frame, and an upper hand lower seat fixedly mounted on the top edge of a door body, an upper shaft hole being provided in the upper hand upper seat, a lower shaft hole being provided in the upper hand lower seat, and the connecting shaft being limited so that a portion is located in the upper shaft hole and another portion is located in the lower shaft hole.

[0006] Furthermore, the connecting shaft is limited by at least one connecting rope so that a part of it is located in the upper shaft hole and another part of it is located in the lower shaft hole;

[0007] The connecting shaft is provided with a through hole which passes through the upper end of the through hole and is fixedly connected to the upper hand upper seat, and the connecting rope passes through the lower end of the through hole and is fixedly connected to the upper hand lower seat; or, the connecting shaft is provided with a through hole which passes through the upper and lower shaft holes, and the connecting rope is connected end to end after passing through the through hole, the upper shaft hole and the lower shaft hole.

[0008] Furthermore, the floor spring fitting further includes a first limiting structure and a second limiting structure. The first limiting structure is used to prevent the connecting shaft from moving downward to leave the upper shaft hole, and the second limiting structure is used to prevent the upper and lower seat from dropping to disengage from the connecting shaft, so that the connecting shaft is limited to have a part located in the upper shaft hole and another part located in the lower shaft hole.

[0009] Furthermore, the first limiting structure includes a limiting step provided on the upper part of the connecting shaft and having a diameter larger than that of the connecting shaft. A step hole matching the limiting step is provided in the upper shaft hole, and the step hole extends upward to penetrate through the upper end of the upper and lower seat.

[0010] Furthermore, the second limiting structure includes a limiting block and a connecting structure. The limiting block is provided at the lower end of the upper and lower seat inside the door body, and the maximum diameter of the limiting block is larger than the aperture of the lower shaft hole; the connecting structure is used to connect the limiting block and the connecting shaft.

[0011] Furthermore, the connecting structure includes a connecting rope. A through hole penetrating from top to bottom is provided on the limiting block. The lower end of the connecting rope passes through the through hole and is fixedly connected to a lower sleeve. The lower sleeve is provided inside the limiting block and is limited above by the limiting block. A through hole penetrating up and down is provided on the connecting shaft. The upper end of the connecting rope passes through the through hole and is fixedly connected to an upper sleeve. The upper sleeve is provided on the connecting shaft and is limited below by the connecting shaft.

[0012] Furthermore, a side opening is also provided on the limiting block. The connecting rope enters the through hole through the side opening; a threaded rod is provided at the lower part of the limiting block, and a nut is connected to the threaded rod. The nut is used to prevent the connecting rope from disengaging from the limiting block through the side opening; a buckle is connected to the threaded rod. The buckle is used to prevent the nut from disengaging from the threaded rod.

[0013] Furthermore, the floor spring fitting further includes an adjusting mechanism cooperating with the upper and lower seat. The adjusting mechanism is used to adjust the length of the part of the connecting shaft located in the upper shaft hole; the adjusting mechanism includes an adjusting ball head arranged at an interval from the connecting shaft, a support member located between the connecting shaft and the adjusting ball head, and an adjusting swing rod; the first end of the adjusting swing rod cooperates with the connecting shaft, the second end of the adjusting swing rod is rotatably connected to the adjusting ball head, the adjusting swing rod is rotatably connected to the support member, and the adjusting ball head can move up and down relative to the upper and lower seat to drive the axial movement of the connecting shaft through the adjusting swing rod, so as to adjust the length of the part of the connecting shaft located in the upper shaft hole.

[0014] Further, the floor spring fitting further includes a central arm, which is fixed to the bottom edge of the door body and is rotatably connected to a floor spring installed below the ground plane.

[0015] According to another aspect of the present invention, there is provided a door, including a door body and a door frame, and the floor spring fitting described in any one of the above is installed between the door body and the door frame.

[0016] It can be seen from the above technical solutions that the floor spring fitting provided by the present invention has the following beneficial effects:

[0017] The floor spring fitting of the present invention solves the problem that the whole door body topples due to the connecting shaft disengaging from the upper shaft hole or the lower shaft hole in the prior art;

[0018] The floor spring fitting of the embodiment of the present invention has a simple structure, is safe, economical and convenient to install, and is conducive to wide promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a cross-sectional view of a floor spring fitting according to an embodiment of the present invention;

[0020] Figure 2 is a top view of a floor spring fitting according to an embodiment of the present invention;

[0021] Figure 3 is a schematic diagram of a door installed with the floor spring fitting of this embodiment;

[0022] Figure 4 is Figure 3 a partial enlarged view of part A in

[0023] Figure 5 is Figure 3 a partial enlarged view of part B in

[0024] In the figure, the reference numerals are: upper hand seat 1, lower hand seat 2, lower shaft hole 21, connecting shaft 3, limit step 31, perforation 32, connecting rope 4, upper sleeve 41, lower sleeve 42, limit block 5, threaded rod 51, nut 52, buckle 53, adjusting swing rod 6, adjusting ball head 7, support member 8, central arm 9, floor spring 10;

[0025] door body 01, door frame 02. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] In order to better understand the purpose, structure and function of the present invention, the following further describes in detail a floor spring fitting of the present invention and a door using the same with reference to the drawings.

[0027] As shown in Figure 1 、 Figure 2 、Figure 4 As shown in the figure, it shows a floor spring fitting according to an embodiment of the present invention, including a connecting shaft 3, an upper hand seat 1 fixedly installed at the top of the door frame, and an upper hand lower seat 2 fixedly installed at the top edge of the door body. An upper shaft hole is provided in the upper hand seat 1, and a lower shaft hole 21 is provided in the upper hand lower seat 2. The connecting shaft 3 is limited such that a part of it is located in the upper shaft hole and another part is located in the lower shaft hole 21.

[0028] The floor spring fitting includes a connecting shaft 3, an upper hand seat 1, and an upper hand lower seat 2. By limiting the connecting shaft 3 such that a part of it is located in the upper shaft hole and another part is located in the lower shaft hole 21, the problem of the entire door body toppling and causing injury accidents due to the connecting shaft 3 disengaging from the upper shaft hole or the lower shaft hole 21 in the prior art is solved. The floor spring fitting according to the embodiment of the present invention has a simple structure, is safe, economical to use, and convenient to install, which is conducive to wide promotion and use.

[0029] Embodiment 1:

[0030] The connecting shaft 3 is limited such that a part of it is located in the upper shaft hole and another part is located in the lower shaft hole 21 by at least one connecting rope. The use of the connecting rope in this embodiment is more economical, which is conducive to saving production costs; and because the connecting rope itself has a certain flexibility, its use will not affect the rotation of the connecting shaft 3 relative to the lower shaft hole, so it will not affect the opening and closing of the door body.

[0031] Secondly, according to actual needs, on the premise of not affecting the normal rotation of the connecting shaft 3 relative to the lower shaft hole 21, the connecting shaft 3 can be limited such that a part of it is located in the upper shaft hole and another part is located in the lower shaft hole 21 by multiple connecting ropes, so as to further effectively prevent the occurrence of the situation where the entire door body topples due to the connecting shaft 3 disengaging from the upper shaft hole or the lower shaft hole 21. When specifically implementing, the connecting rope can be selected as an economical and practical steel wire rope.

[0032] There are also various ways to limit the connecting shaft 3 such that a part of it is located in the upper shaft hole and another part is located in the lower shaft hole 21 by using a connecting rope. For example, a through hole 32 penetrating up and down is provided on the connecting shaft 3, and the connecting rope 4 passes through the through hole 32, the upper shaft hole, and the lower shaft hole 21 and is connected end to end. Another example is that a through hole 32 penetrating up and down is provided on the connecting shaft 3, the upper end of the connecting rope passing through the through hole 32 is fixedly connected to the upper hand seat 1, and the lower end of the connecting rope passing through the through hole 32 is fixedly connected to the upper hand lower seat 2.

[0033] Embodiment 2:

[0034] The floor spring fitting further includes a first limiting structure and a second limiting structure. The first limiting structure is used to prevent the connecting shaft 3 from moving downward to leave the upper shaft hole, and the second limiting structure prevents the upper hand lower seat 2 from falling to disengage from the connecting shaft 3, so that the connecting shaft 3 is limited such that a part of it is located in the upper shaft hole and another part is located in the lower shaft hole 21.

[0035] Specifically, when the door body sags, due to the existence of the first limiting structure, the connecting shaft 3 cannot move downward with the door body to leave the upper shaft hole. Due to the existence of the second limiting structure, the upper and lower seats 2 cannot sag to disengage from the connecting shaft 3, that is, the connecting shaft 3 cannot leave the upper shaft hole and the lower shaft hole 21. Thus, a part of the connecting shaft 3 is also located in the upper shaft hole and another part is located in the lower shaft hole 21, thereby solving the problem in the prior art that the whole door body topples over and causes injury accidents due to the shaft disengaging from the shaft hole.

[0036] Again, for the situation where the gap between the top edge of the door body and the top of the door frame is too large due to the non-standard installation of the floor spring, it may be impossible to normally install the floor spring fittings of this embodiment. In this case, just check whether the installation of the floor spring is standard.

[0037] Through the setting of this embodiment, the connecting shaft 3 is always limited within the upper shaft hole and the lower shaft hole 21, thereby solving the problem in the prior art that the whole door body topples over and causes injury accidents due to the shaft disengaging from the shaft hole. The floor spring fittings of the embodiment of the present utility model have a simple structure, are safe, economical and convenient to install, and are conducive to wide promotion and use.

[0038] Based on Embodiment 2, as Figure 1 shown, the first limiting structure includes a limiting step 31 provided on the upper part of the connecting shaft 3 and having a diameter larger than that of the connecting shaft 3. A step hole matching with the limiting step 31 is provided in the upper shaft hole, and the step hole extends upward to penetrate through the upper end of the upper and lower seats 1.

[0039] Specifically, the first limiting structure includes a limiting step 31 and a step hole. The limiting step 31 is provided on the upper part of the connecting shaft 3, and the step hole matches with the limiting step 31. Through the setting of the limiting step 31 and the step hole in this embodiment, the limiting step 31 can only move within the step hole, that is, the limiting step 31 cannot enter the upper shaft hole below the step hole, thereby achieving the purpose of preventing the connecting shaft 3 from moving downward with the door body to leave the upper shaft hole through the first limiting structure.

[0040] This embodiment restricts the downward movement of the connecting shaft 3 with the door body through the cooperation of the step hole and the limiting step 31, and has the advantage of a simple structure. During specific implementation, the upper shaft hole and the step hole form a stepped hole with a larger diameter at the top and a smaller diameter at the bottom, and the limiting step 31 and the connecting shaft 3 form a shaft body with a larger diameter at the top and a smaller diameter at the bottom.

[0041] Based on Embodiment 2, as Figure 1 shown, the second limiting structure includes a limiting block 5 and a connecting structure. The limiting block 5 is provided at the lower end of the upper and lower seats 2 inside the door body, and the maximum diameter of the limiting block 5 is larger than the aperture of the lower shaft hole 21; the connecting structure is used to connect the limiting block 5 and the connecting shaft 3.

[0042] In this embodiment, the second limiting structure includes a limiting block 5 and a connecting structure. The limiting block 5 is located at the lower end of the upper and lower seat 2, and the maximum diameter of the limiting block 5 is greater than the aperture of the lower shaft hole 21. Therefore, the limiting block 5 cannot enter the lower shaft hole 21. The connecting structure is used to connect the limiting block 5 and the connecting shaft 3. Specifically, for example, a connecting rope 4 is used as the connecting structure. One end of the connecting rope 4 is fixedly connected to the limiting block 5, and the other end of the connecting rope 4 is fixedly connected to the connecting shaft 3. The maximum diameter of the limiting block 5 in this embodiment needs to be greater than the aperture of the shaft hole. Specifically, for example, the limiting block 5 is an elliptical cylinder block or a cylinder block, etc.

[0043] After the connecting structure connects the limiting block 5 and the connecting shaft 3, when the door body is about to fall and drives the upper and lower seat 2 to move downward, since the limiting block 5 cannot enter the lower shaft hole 21, the limiting block 5 will prevent the upper and lower seat 2 from moving downward, thereby achieving the purpose that the upper and lower seat 2 cannot fall to disengage from the connecting shaft 3 through the second limiting structure, and thus the door body cannot fall either.

[0044] In this embodiment, through the cooperation of the first limiting structure and the second limiting structure, the connecting shaft 3 is limited within the upper shaft hole and the lower shaft hole 21, thereby solving the problem that the door body topples and injures people due to the connecting shaft 3 leaving the upper shaft hole or the lower shaft hole 21 in the prior art.

[0045] In one embodiment, as Figure 1 shown, the connecting structure includes a connecting rope 4. The limiting block 5 is provided with a through hole penetrating from top to bottom. The lower end of the connecting rope 4 passes through the through hole and is fixedly connected to the lower sleeve 42. The lower sleeve 42 is arranged within the limiting block 5 and is limited above by the limiting block 5. The connecting shaft 3 is provided with a through hole 32 penetrating up and down. The upper end of the connecting rope 4 passes through the through hole 32 and is fixedly connected to the upper sleeve 41. The upper sleeve 41 is arranged on the connecting shaft 3 and is limited below by the connecting shaft 3.

[0046] In this embodiment, the connecting structure includes a connecting rope 4, an upper sleeve 41 and a lower sleeve 42. Among them, the upper sleeve 41 is arranged on the connecting shaft 3 and is limited below by the connecting shaft 3. Therefore, the upper sleeve 41 cannot move downward along the axis of the connecting shaft 3 relative to the connecting shaft 3. The lower sleeve 42 is arranged within the limiting block 5 and is limited above by the limiting block 5. Therefore, the lower sleeve 42 cannot move upward along the axis of the connecting shaft 3 relative to the limiting block 5. The two ends of the connecting rope 4 passing through the through hole 32 on the connecting shaft 3 are respectively fixedly connected to the upper sleeve 41 and the lower sleeve 42. Thus, the purpose of using the connecting rope 4 to connect and limit the limiting block 5 and the connecting shaft 3 is achieved.

[0047] During specific implementation, an installation hole is formed in the lower part of the limit block 5, which penetrates through the lower end of the limit block 5 and communicates with the through hole. The aperture of the installation hole on the limit block 5 is larger than that of the through hole. The lower sleeve 42 is arranged in the installation hole on the limit block 5. Since the aperture of the installation hole on the limit block 5 is larger than that of the through hole, the purpose that the lower sleeve 42 cannot move upward along the axis of the shaft relative to the limit block 5 is satisfied. As an alternative solution, the lower sleeve 42 can also be arranged below the limit block 5. In this case, the outer diameter of the lower sleeve 42 needs to be larger than the aperture of the through hole on the limit block 5.

[0048] In this embodiment, the upper sleeve 41 is arranged on the connecting shaft 3, and the outer diameter of the upper sleeve 41 is larger than the aperture of the perforation 32 on the connecting shaft 3. As an alternative solution, the upper sleeve 41 can also be arranged inside the connecting shaft 3. For example, an installation hole is formed in the upper part of the connecting shaft 3, which penetrates through to the upper end of the connecting shaft 3 and communicates with the perforation 32. The aperture of the installation hole is larger than that of the perforation 32. The upper sleeve 41 is arranged in the installation hole. Since the aperture of the installation hole is larger than that of the perforation 32, the purpose that the upper sleeve 41 cannot move downward along the axis of the connecting shaft 3 relative to the connecting shaft 3 is satisfied.

[0049] In this embodiment, one end of the connecting rope 4 is fixedly connected to the upper sleeve 41, and the other end of the connecting rope 4 is fixedly connected to the lower sleeve 42. The purpose of connecting the limit block 5 and the connecting shaft 3 by using the connecting rope 4 is also achieved.

[0050] In one embodiment, a side opening is also formed in the limit block 5, and the connecting rope 4 enters the through hole through the side opening; as Figure 1 shown, a threaded rod 51 is arranged at the lower part of the limit block 5, and a nut 52 is connected to the threaded rod 51. The nut 52 is used to prevent the connecting rope 4 from detaching from the limit block 5 through the side opening.

[0051] The setting of the side opening in this embodiment is used to facilitate the connecting rope 4 to enter the through hole through the side opening. Therefore, the side opening should penetrate from the upper end of the limit block 5 to the lower end of the limit block 5, and penetrate from the through hole of the limit block 5 through the side wall of the limit block 5 to the outside of the limit block 5.

[0052] The setting of the threaded rod 51 and the nut 52 is used to prevent the connecting rope 4 from detaching from the limit block 5 through the side opening. Among them, the threaded rod 51 is arranged at the lower part of the limit block 5, and the threaded rod 51 is threadedly connected to the nut 52. During specific implementation, for example, a screw is used as the limit block 5. The diameter of the head of the screw is larger than the aperture of the lower shaft hole 21. The head of the screw contacts the upper and lower seats 2. The threaded rod 51 of the screw and the upper and lower seats 2 are respectively located on both sides of the head of the screw. Then, a through hole and a side opening can be formed in the screw as needed.

[0053] Among them, as Figure 1As shown, a snap 53 is connected to the threaded rod 51. The snap 53 is used to prevent the nut 52 from detaching from the threaded rod 51. In this embodiment, the snap 53 is provided to further prevent the nut 52 from detaching from the threaded rod 51, so that the nut 52 is stably fixed on the threaded rod 51.

[0054] In one embodiment, as Figure 1 shown, the floor spring fitting further includes an adjusting mechanism that cooperates with the upper hand seat 1. The adjusting mechanism is used to adjust the length of the portion of the connecting shaft 3 located within the upper shaft hole.

[0055] The adjusting mechanism of this embodiment is used to adjust the length of the portion of the connecting shaft 3 located within the upper shaft hole during installation or use, so that the connecting shaft 3 can better cooperate with the upper shaft hole and the lower shaft hole 21.

[0056] Among them, as Figure 1 shown, the adjusting mechanism includes an adjusting ball head 7 spaced apart from the connecting shaft 3, a support member 8 located between the connecting shaft 3 and the adjusting ball head 7, and an adjusting swing rod 6; the first end of the adjusting swing rod 6 cooperates with the connecting shaft 3, the second end of the adjusting swing rod 6 is rotatably connected to the adjusting ball head 7, the adjusting swing rod 6 is rotatably connected to the support member 8, and the adjusting ball head 7 can move up and down relative to the upper hand seat 1 to drive the axial movement of the connecting shaft 3 through the adjusting swing rod 6, so as to adjust the length of the portion of the connecting shaft 3 located within the upper shaft hole.

[0057] Specifically, when the adjusting ball head 7 is adjusted to move upward relative to the upper hand seat 1, the adjusting swing rod 6 rotates counterclockwise with the support member 8 as the rotation fulcrum. At this time, the first end of the adjusting swing rod 6 drives the connecting shaft 3 to move downward along its axis; when the adjusting ball head 7 is adjusted to move downward relative to the upper hand seat 1, the adjusting swing rod 6 rotates clockwise with the support member 8 as the rotation fulcrum. At this time, the first end of the adjusting swing rod 6 drives the connecting shaft 3 to move upward along its axis.

[0058] In one embodiment, as Figure 3 、 Figure 5 shown, the floor spring fitting further includes a center arm 9. The center arm 9 is fixed to the bottom edge of the door body, and the center arm is rotatably connected to a floor spring 10 installed below the ground plane.

[0059] In addition, an embodiment of the present invention also proposes a door, as Figure 3 shown, including a door body 01 and a door frame 02. A floor spring fitting according to any one of the above embodiments is installed between the door body 01 and the door frame 02.

[0060] The door of this embodiment solves the problem of the overall tipping of the door body and causing injury accidents due to the connecting shaft detaching from the upper shaft hole or the lower shaft hole. Moreover, the floor spring fitting has a simple structure, is safe, economical, and convenient to install, which is conducive to wide promotion and use.

[0061] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application shall have the ordinary meanings understood by those skilled in the art to which this utility model belongs.

[0062] In this application, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected to", "fixed", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0063] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present utility model, and they should all be covered by the scope of the claims and the description of the present utility model. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The present utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A floor spring accessory, comprising a connecting shaft, an upper hand seat fixedly mounted on the top of a door frame, and an upper hand lower seat fixedly mounted on the top edge of a door body, wherein an upper shaft hole is formed in the upper hand seat, and a lower shaft hole is formed in the upper hand lower seat, characterized in that: The connecting shaft is limited so that a portion is located in the upper shaft hole and another portion is located in the lower shaft hole.

2. The floor spring accessory according to claim 1, characterized in that: The connecting shaft is limited by at least one connecting rope so that a part of it is located in the upper shaft hole and another part of it is located in the lower shaft hole; The connecting shaft is provided with a through hole which passes through the upper end of the through hole and is fixedly connected to the upper hand upper seat, and the connecting rope passes through the lower end of the through hole and is fixedly connected to the upper hand lower seat; or, the connecting shaft is provided with a through hole which passes through the upper and lower shaft holes, and the connecting rope is connected end to end after passing through the through hole, the upper shaft hole and the lower shaft hole.

3. The floor spring accessory according to claim 1, characterized in that: The floor spring accessory also includes a first limiting structure and a second limiting structure, the first limiting structure is used to prevent the connecting shaft from moving downward to leave the upper shaft hole, and the second limiting structure is used to prevent the upper hand and lower seat from falling down and separating from the connecting shaft, so that the connecting shaft is limited so that a portion is located in the upper shaft hole and the other portion is located in the lower shaft hole.

4. The floor spring accessory according to claim 3, characterized in that: The first limiting structure includes a limiting step which is arranged on the upper part of the connecting shaft and has a diameter larger than the diameter of the connecting shaft. A step hole which cooperates with the limiting step is arranged in the upper shaft hole, and the step hole extends upward to pass through the upper end of the upper hand seat.

5. The floor spring accessory according to claim 3, characterized in that: The second limiting structure includes a limiting block and a connecting structure. The limiting block is arranged at the lower end of the upper hand and lower seat in the door body. The maximum diameter of the limiting block is larger than the aperture of the lower shaft hole. The connecting structure is used to connect the limiting block and the connecting shaft.

6. The floor spring accessory according to claim 5, characterized in that: The connecting structure includes a connecting rope, and the limit block is provided with a through hole penetrating from top to bottom, and the lower end of the connecting rope passes through the through hole and is fixedly connected to the lower sleeve, the lower sleeve is arranged in the limit block and the upper part of the lower sleeve is limited by the limit block, and the connecting shaft is provided with a through hole penetrating from top to bottom, and the upper end of the connecting rope passes through the through hole and is fixedly connected to the upper sleeve, the upper sleeve is arranged on the connecting shaft and the lower part of the upper sleeve is limited by the connecting shaft.

7. The floor spring accessory according to claim 6, characterized in that: The limit block is also provided with a side opening, and the connecting rope enters the through hole through the side opening; a threaded rod is provided at the lower part of the limit block, and a nut is connected to the threaded rod, and the nut is used to prevent the connecting rope from detaching from the limit block through the side opening; a buckle is connected to the threaded rod, and the buckle is used to prevent the nut from detaching from the threaded rod.

8. The floor spring accessory according to claim 1, characterized in that: The floor spring accessory also includes an adjustment mechanism that cooperates with the upper upper seat, and the adjustment mechanism is used to adjust the length of the portion of the connecting shaft located in the upper shaft hole; the adjustment mechanism includes an adjustment ball head that is spaced apart from the connecting shaft, a support member located between the connecting shaft and the adjustment ball head, and an adjustment swing rod; the first end of the adjustment swing rod cooperates with the connecting shaft, the second end of the adjustment swing rod is rotatably connected to the adjustment ball head, the adjustment swing rod is rotatably connected to the support member, and the adjustment ball head can move up and down relative to the upper upper seat to drive the axial movement of the connecting shaft through the adjustment swing rod to adjust the length of the portion of the connecting shaft located in the upper shaft hole.

9. The floor spring accessory according to claim 1, characterized in that: The floor spring accessory also includes a central arm, which is fixed to the bottom edge of the door body and is rotatably connected to a floor spring installed below the ground plane.

10. A door, characterized in that: It comprises a door body and a door frame, and a floor spring accessory according to any one of claims 1 to 9 is installed between the door body and the door frame.

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