CN212337003U - Spacing adjusting assembly and floor spring device using same - Google Patents

Abstract

The utility model belongs to ground spring structural design field discloses an interval adjusting part and use its ground spring assembly, and interval adjusting part includes: treat adjusting device fixed connection's support with fixed basis or regulation, pass support piece and can be for the adjusting part of support piece linear displacement, and with the bottom of adjusting part rotate the butt slider of being connected, the butt slider is including the first butt face that is used for the butt to treat adjusting device and the second butt face that sets up relatively with first butt face and be used for the fixed basis of butt, and the inclined plane that is used for butt support piece of connecting first butt face and second butt face, the inclined plane has initial contact position and the biggest regulation contact position who contacts with support piece, initial contact position is higher than the biggest regulation contact position, adjusting part can drive the inclined plane of butt slider and move between initial contact position and the biggest regulation contact position for support piece's displacement. Has the advantages of convenient adjustment and higher accuracy.

Description

Spacing adjusting assembly and floor spring device using same

Technical Field

The utility model belongs to ground spring structural design field, concretely relates to interval adjusting part and use its ground spring device.

Background

The space adjusting assembly is needed to adjust the applicable scenes of the device to be adjusted and the fixed foundation, the floor spring is taken as an example, the floor spring belongs to a door closer, and the floor spring can be installed below the ground surface through the floor spring protector shell after being connected with the door, so that the floor spring can improve the aesthetic property of the door when in use, and is widely applied. The axis of the ground shaft (namely the rotating shaft on the ground spring) and the axis of the head shaft (namely the rotating shaft on the door) are required to be on the same straight line in the process of installing the ground spring to the shell, so that the effective connection of the ground spring and the head shaft is ensured, and a large installation gap is designed between the main body of the ground spring and the shell, so that the position of the ground spring can be conveniently adjusted.

In the prior art, the relative position of the floor spring main body in the shell is usually adjusted by arranging a plurality of position adjusting bolts between the floor spring main body and the shell along the circumferential direction of the floor spring and directly forming a hole on the side wall of the shell, inserting an adjusting screw into the hole to enable one end of the adjusting screw to abut against the surface of the floor spring main body and adjusting the gap between the length adjusting floor spring main body and the shell, wherein the adjusting screw penetrates out of the shell, compared with the method that the adjusting screw penetrates out of the gap between the length adjusting floor spring main body and the shell, the adjusting method needs to open the side wall of the shell and needs to enable the axis of the adjusting screw to be vertical to the side wall of the shell, and when an operator installs and adjusts the adjusting screw, the operator needs to be positioned in the side wall direction of the shell to operate, so the process of installing and adjusting the adjusting screw is complicated and not intuitive, the gap adjusting method not only wastes time and labor in operation, but also when, the rotation of the floor spring main body is easily caused by unstable abutting, so that the problem of inaccurate gap adjustment is caused.

SUMMERY OF THE UTILITY MODEL

In order to make the interval adjust more convenient, the accuracy is higher, the utility model provides an interval adjusting part and use its ground spring assembly.

According to the utility model discloses interval adjustment assembly for the interval between adjusting device and the fixed basis is treated in the regulation, include: with fixed basis or treat adjusting device fixed connection's support piece, pass support piece and can be for the adjusting part of support piece linear displacement, and with the butt slider of adjusting part's bottom rotation connection, the butt slider is including the first butt face that is used for the butt to treat adjusting device and the second butt face that sets up relatively with first butt face and be used for the fixed basis of butt, and the inclined plane that is used for butt support piece of connecting first butt face and second butt face, wherein, the inclined plane has initial contact position and the biggest regulation contact position who contacts with support piece, initial contact position is higher than the biggest regulation contact position, adjusting part can drive the inclined plane of butt slider and move between initial contact position and the biggest regulation contact position for support piece's displacement.

Further, the first abutting surface is configured as a curved surface curved toward the fixed base, the second abutting surface is configured as an inclined surface, a top end of the inclined surface is closer to the fixed base than a bottom end of the inclined surface, and a top end of the curved surface is lower than the top end of the inclined surface.

Further, the butt slider includes two side wall boards of parallel arrangement, and the roof of two side wall boards forms the inclined plane, and the lateral wall of two side wall boards forms first butt face and second butt face respectively, and the bottom of adjusting part rotates the centre gripping between two side wall boards.

Further, the bottom area of the side wall plates is formed with an arc-shaped opening, the adjusting part comprises a screw rod and a nut connected with the bottom of the screw rod, the nut is clamped between the openings of the two side wall plates, the nut is in running fit with the openings, and the top of the screw rod is in threaded connection with the supporting piece.

Further, the outer wall of the nut is configured as a cross flange projecting outwardly from an edge of the central hole of the nut, two opposing first flanges of the cross flange being in planar abutment between the two side wall panels, respectively, and two other opposing second flanges of the cross flange being located in the arcuate openings of the two side wall panels, respectively.

Further, the inclined surface and/or the first abutment surface and/or the second abutment surface are configured as a roughened surface.

The utility model also provides a floor spring device, including the casing with be located the floor spring body of casing to and foretell interval adjustment assembly, wherein, treat that adjusting device is the floor spring body, fixed basis is the casing.

Further, the floor spring device comprises at least two pairs of spacing adjusting assemblies, one pair of adjusting assemblies are respectively positioned between two side walls in the length direction of the shell and two side walls in the length direction of the floor spring body, and the other pair of adjusting assemblies are respectively positioned between two side walls in the width direction of the shell and side walls in the width direction of the floor spring body.

Furthermore, the floor spring device also comprises a fixing sheet fixedly connected with at least one side wall of the shell, and the fixing sheet is fixedly connected with the side wall of the floor spring body.

Further, be formed with spacing notch on the diapire of casing and the diapire of floor spring body two, be formed with the fixed orifices on the other, floor spring device still includes the connecting piece that passes spacing notch and fixed orifices simultaneously in order to be in the casing with floor spring body pre-fixing, wherein, spacing notch structure is: the connecting piece can rotate and move linearly in the limiting notch relative to the limiting notch, so that the gap between the inner wall of the floor spring body relative to the shell can be adjusted preliminarily.

Compared with the prior art, the utility model discloses a clearance adjustment subassembly has following advantage:

1) the utility model discloses a clearance adjustment device need not to link to each other with fixed basis, it is the butt relation with fixed basis and treating adjusting device in the course of the work, the rotation that only needs to adjust the butt slider through adjusting part can realize treating the regulation in the clearance between adjusting device and the fixed basis, clearance adjustment device can place the position in arbitrary needs regulation clearance, do not receive service condition's restriction, and this clearance adjustment device and fixed basis and treat that the butt between the adjusting device is more stable, consequently, have higher regulation precision.

2) The first abutting surface is constructed into a curved surface which is bent towards the fixed base, so that the first abutting surface can rotate relative to the device to be adjusted more smoothly and more labor-saving; the size and the weight of the abutting sliding block are smaller by constructing the second abutting surface into the inclined surface, the size is smaller, interference with other structures is not easy to generate, and the weight is smaller, so that more labor is saved when the adjusting component is adjusted.

3) Make adjusting part be located between two lateral wall boards through setting up two lateral wall boards that butt slider includes parallel arrangement for interval adjusting part's structure is simpler, more saves space.

4) By forming the arc-shaped openings in the bottom areas of the side wall plates, the nuts are clamped between the openings of the two side wall plates, so that accommodating space is provided for the nuts to be placed in, and meanwhile, the movement of the adjusting part in the vertical direction can be converted into the rotation movement of the side wall plates in the direction to or opposite to the direction.

5) The outer wall of the nut is constructed into the cross flange protruding outwards from the edge of the center hole of the nut, so that the second flange can serve as a rotating shaft to rotate relative to the arc-shaped opening, the first flange is abutted to the two side wall plates simultaneously, and the rotating stability can be kept.

Compared with the prior art, the utility model discloses a floor spring device has following advantage:

1) when the ground spring device with the distance adjusting assembly is used for adjusting the position of the ground spring main body relative to the shell, the operation is more convenient, the time and the labor are saved, and the adjusting accuracy is higher.

2) Through setting up floor spring device including being located the length direction of casing and the at least two pairs of spacing adjustment assembly on the width direction respectively can all accurately adjust in length direction and width direction in order to fix a position floor spring main part in the casing steadily.

3) Through constructing spacing notch for can making the connecting piece take place to rotate and linear motion for spacing notch in spacing notch, make when the connecting piece takes place to rotate for spacing notch in spacing notch, the adjustable spring body is for the rotation angle of casing, and when the connecting piece takes place linear motion for spacing notch in spacing notch, adjustable spring body is for the distance between the inner wall of casing, the preliminary adjustment in the clearance between the inner wall of casing has been realized for spacing notch's rotation and linear motion to the connecting piece jointly to spacing notch in spacing notch. After preliminary adjustment, can combine the utility model discloses a clearance adjustment subassembly is fixed a position the floor spring body in the casing.

Drawings

Fig. 1 is an operational schematic diagram of a structure of a spacing adjustment assembly according to an embodiment of the present invention;

FIG. 2 is a top view of the nut shown in FIG. 1, showing the configuration of the cross flange;

fig. 3 is a schematic perspective view of a floor spring device according to an embodiment of the present invention;

fig. 4 is a top view of a floor spring assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of the mounting position of the spacing adjustment assembly within the housing;

fig. 6 is a bottom view of the ground spring body of fig. 2 showing the fixing holes.

Detailed Description

For better understanding of the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings for the space adjusting assembly and the floor spring device using the same.

Fig. 1 and 3 show a structure of a spacing adjustment assembly 100 according to an embodiment of the present invention, the spacing adjustment assembly 100 is used for adjusting a spacing between an adjustment device 101 and a fixed base 102, as shown in fig. 3, taking a floor spring device 200 as an example, where the adjustment device 102 can be a floor spring body 6, and the fixed base 101 can be a housing 5. The interval adjustment assembly 100 includes: the adjusting device comprises a supporting part 1 fixedly connected with a fixed foundation 102 or a device to be adjusted 101, an adjusting part 2 penetrating through the supporting part 1 and capable of linearly displacing relative to the supporting part 1, and an abutting sliding block 3 rotatably connected with the bottom end of the adjusting part 2, wherein the abutting sliding block 3 comprises a first abutting surface 311 used for abutting against the device to be adjusted 101, a second abutting surface 312 arranged opposite to the first abutting surface 311 and used for abutting against the fixed foundation 102, and an inclined surface 313 used for abutting against the supporting part 1 and connecting the first abutting surface 311 with the second abutting surface 312. Wherein the inclined surface 313 has an initial contact position a and a maximum adjustment contact position b in contact with the support 1, the initial contact position a being higher than the maximum adjustment contact position b, and displacement of the adjustment member 2 relative to the support 1 can bring the inclined surface 313 of the abutment slider 3 to move between the initial contact position a and the maximum adjustment contact position b.

As shown in fig. 1, when the spacing adjustment assembly 100 of the embodiment of the present invention is used, since the adjustment component 2 penetrates into the support 1, the height position of the adjustment component 2 relative to the support 1 is adjustable, when the adjustment component 2 is adjusted to make the inclined surface 313 of the abutting slider 3 initially abut, that is, the abutting position is at the initial contact position a shown in fig. 1, at this time, the first abutting surface 311 of the abutting slider 3 abuts against the device 101 to be adjusted, the second abutting surface 312 of the abutting slider 3 abuts against the fixed base 102, and the inclined surface 313 connecting the first abutting surface 311 and the second abutting surface 312 abuts against the support 1, the adjustment component 2 is continuously adjusted upward, the adjustment component 2 drives the abutting slider 3 rotatably connected with the bottom end of the adjustment component 2 to rotate towards the direction C shown in fig. 1, and in this process, the contact position of the inclined surface and the support 1 gradually moves towards the maximum adjustment contact position b, during the movement, since the position of the fixed base 102 is not changed, the first abutting surface 311 of the abutting slider 3 pushes the device to be adjusted 101 to move in the horizontal direction D along with the change of the contact position of the inclined surface 313 and the support 1, in this example, the first abutting surface 311 of the abutting slider 3 pushes the device to be adjusted 101 to move rightward in the horizontal direction D, that is, the abutting slider 3 pushes the device to be adjusted 101 to move away from the fixed base 102, and at this time, the gap between the device to be adjusted 101 and the fixed base 102 increases. The adjustment process of the gap reduction is opposite to the above-described adjustment process of the gap increase, the rotation direction of the abutment slider 3 is opposite to the C direction shown in fig. 1, and the inclined surface 313 moves from the contact position with the stay 1 toward the initial contact position a.

As shown in fig. 3, compared with the prior art in which a hole is directly formed in the sidewall of the fixed base 102, and an adjusting screw is inserted into the hole to make one end of the adjusting screw abut against the surface of the device 101 to be adjusted, and the adjusting screw penetrates out of the fixed base 102, so as to adjust the gap between the device 101 to be adjusted and the fixed base 102, in the prior art, since the hole needs to be formed in the sidewall of the fixed base 102, and the axis of the adjusting screw needs to be perpendicular to the sidewall of the fixed base 102, an operator needs to locate in the sidewall of the fixed base 102 to operate when installing and adjusting the adjusting screw, the process of installing and adjusting the adjusting screw is complicated and not intuitive, the gap adjusting method is not only time-consuming and labor-consuming to operate, but also when the axis of the adjusting screw abuts against and is not perpendicular to the sidewall of the device 101 to be adjusted, the rotation of the device to be adjusted is easily caused by unstable abutment, thereby causing a problem of inaccurate gap adjustment. And the utility model discloses clearance adjustment device 100 need not to link to each other with fixed basis 102 like prior art, it is the butt relation with fixed basis 102 and treat adjusting device 101 in the course of the work, the rotation that only needs to adjust butt slider 3 through adjusting part 2 can realize treating the regulation in clearance between adjusting device 101 and the fixed basis 102, clearance adjustment device 100 can place the position in arbitrary needs regulation clearance, do not receive service conditions's restriction, and this clearance adjustment device 100 and fixed basis are more stable with the butt of treating between the adjusting device 101, consequently, higher regulation precision has.

Preferably, as shown in fig. 4, the adjusting part 2 of the spacing adjustment assembly 100 according to the embodiment of the present invention may be disposed parallel to the sidewall of the fixed base 102, so that the operator may not have unstable butt of the butt slider 3 due to deviation when adjusting the adjusting part 2 up and down.

It should be noted that, the supporting member 1 of the embodiment of the present invention may be fixedly connected to the fixed base 102 or the device to be adjusted 101, and the supporting member 1 may be a part of the device to be adjusted 101 as shown in fig. 1, or may be a separate component as shown in fig. 4, where the supporting member 1 is fixedly connected to the fixed base 101.

As shown in fig. 1, the first abutting surface 311 may be configured as a curved surface curved toward the fixed base 102, the second abutting surface 312 may be configured as an inclined surface, a top end of the inclined surface may be closer to the fixed base than a bottom end of the inclined surface, and a top end of the curved surface may be lower than the top end of the inclined surface. The rotation of the first abutment surface 311 with respect to the device to be adjusted 101 is made smoother and less labor-intensive by configuring the first abutment surface 311 as a curved surface that is curved toward the fixed base 102; by configuring the second abutting surface 312 as an inclined surface, the size and weight of the abutting slider 3 are smaller, the smaller size is less likely to interfere with other structures, and the smaller weight is more labor-saving when the adjusting member 2 is adjusted.

In a preferred embodiment, the top end of the curved surface may be lower than the bottom end of the ramp. By this arrangement, the slope of the inclined surface 313 can be increased to increase the adjustment interval of the inclined surface 313, i.e., to increase the preset distance between the initial contact position a and the maximum adjustment contact position b shown in fig. 1.

Referring to fig. 1 and 5, the abutting slider 3 may include two side wall plates 31 arranged in parallel, top walls of the two side wall plates 31 may be formed as inclined surfaces 313, side walls of the two side wall plates 31 may be formed as first abutting surfaces 311 and second abutting surfaces 312, respectively, and a bottom end of the adjusting member 2 may be rotatably clamped between the two side wall plates 31. The two side wall plates 31 arranged in parallel allow the adjustment member 2 to be located between the two side wall plates 31, making the structure of the spacing adjustment assembly 100 simpler and more space-saving.

According to the embodiment of the present invention, as shown in fig. 1, the bottom area of the side wall plates 31 may be formed with arc-shaped openings 314, the adjusting member 2 may include a screw 21 and a nut 22 connected to the bottom of the screw 21, the nut 22 may be clamped between the openings 314 of the two side wall plates 31, the nut 22 is rotatably fitted to the openings 314, and the top of the screw 22 may be threadedly connected to the supporting member 1. It should be noted that the shape of the side wall plate 31 formed with the arc-shaped opening 314 mentioned here can be understood as a wrench shape as shown in fig. 1, by which the arc-shaped opening 314 not only provides a receiving space for the nut 22 to be put in, but also converts the movement of the adjusting member 2 in the vertical direction E into the rotational movement of the side wall plate 31 in the direction to C or the direction opposite to C.

In a preferred embodiment, the arc of the arc opening 314 may be 270 ° to 300 °. This arrangement facilitates longitudinal placement of the nut 22 into the arcuate opening 314 while preventing removal of the nut 22 after placement into the arcuate opening 314.

As shown in fig. 1 and 2, the outer wall of the nut 22 may be configured as a cross flange protruding outward from the edge of the central hole 233 of the nut 22, two opposite first flanges 231 of the cross flange may be respectively in plane abutment between the two side wall plates 31, and the other two opposite second flanges 232 of the cross flange 23 may be respectively located in the arc-shaped openings of the two side wall plates 31. Through this arrangement, the second flange 232 can rotate relative to the arc-shaped opening 314 as a rotating shaft, and the first flange 231 abuts against the two side wall plates 31 at the same time, so that the rotational stability can be maintained.

It should be noted that the nut 22 may be formed in other shapes as long as the nut 22 can be ensured to rotate smoothly in the arc-shaped opening 314, and the shape is not limited herein.

In a preferred embodiment, the inclined surface 313 and/or the first abutment surface 311 and/or the second abutment surface 312 may be configured as a rough surface. This arrangement increases the frictional force between the inclined surface 313, the first contact surface 311, and the second contact surface 312, and the surfaces with which they are in contact, thereby improving the stability of the fixed position after the adjustment of the pitch.

As shown in fig. 3 and 4, the present invention further provides a floor spring device 200, which may include a casing 5 and a floor spring body 6 (as shown in fig. 6) located in the casing 5, and the above-mentioned distance adjusting assembly 100, wherein the device 101 to be adjusted is the floor spring body, and the fixed foundation 2 is the casing 5. When the floor spring device 200 is placed into the spacing adjustment assembly 100 to adjust the position of the floor spring body 6 relative to the housing 5, the operation is more convenient, the time and the labor are saved, and the adjustment accuracy is higher.

As shown in fig. 5, according to the floor spring device 200 of the embodiment of the present invention, the floor spring device 200 may include at least two pairs of spacing adjustment assemblies 100, one pair of adjustment assemblies 100 is respectively located between two sidewalls in the length direction E of the housing 5 and two sidewalls in the length direction of the floor spring body 6, and the other pair of adjustment assemblies 100 is respectively located between two sidewalls in the width direction F of the housing 5 and two sidewalls in the width direction of the floor spring body 6. Through the arrangement, the positioning can be accurately adjusted in the length direction and the width direction of the floor spring device 200, so that the floor spring main body 6 is stably positioned in the shell 5. In the embodiment shown in fig. 2 and 3, the floor spring device 200 may further include a fixing plate 7 fixedly connected to at least one side wall of the housing 1, and the fixing plate 7 may be fixedly connected to a side wall of the floor spring body 6. After the relative position of the floor spring body 6 and the housing 5 is adjusted to the ideal accurate position, the floor spring body 6 and the housing 5 can be further fixed by the fixing plate 7, so that the ideal accurate position is prevented from being deviated when the floor spring device 200 is used.

As shown in fig. 3 and 4, the housing 5 may further include a fixing stopper 9 formed at the front end for restricting the movement of the floor spring body 6 in the height direction of the housing 5. Through the arrangement, the front end of the floor spring main body 6 can be limited below the fixed stop piece 9, namely the position of the floor spring main body 6 in the height direction in the shell 1 is limited, and the floor spring main body 6 can be prevented from being separated from the shell 1 in the height direction.

In a preferred embodiment as shown in fig. 3, the fixed stop 9 may be formed as a bent piece having a right angle, a first piece of the bent piece being connected to the front end surface 52, and the other end abutting against the top wall of the floor spring body 6. Through this setting make buckle that fixed separation blade 9 formed can enough accurate spacing ground spring main part 6 can improve fixed separation blade 9's overall structure intensity again effectively in the ascending position of the direction of height of casing 5 to can further improve the fixed stability of ground spring body 6, in order to prevent deviating from of ground spring body 6.

Further preferably, the fixing catch 9 may be configured as a flat piece connected to the front end surface 52 and can be bent, when the floor spring main body 6 is mounted to the housing 5, the fixing catch 9 may not be bent to avoid shielding, and after the floor spring main body 6 is mounted to the housing 5, the fixing catch 9 may be bent to enable the fixing catch 9 to abut against the top wall of the floor spring main body 6. Through the arrangement, the floor spring main body 6 is not resisted by the fixed blocking piece 9 when being installed to the shell 5, and the installation is more convenient.

According to the utility model discloses a floor spring device 200, as shown in fig. 5, fig. 6, can be formed with spacing notch 51 on one of the two of the diapire of casing 5 and the diapire of floor spring body 6, can be formed with fixed orifices 61 (as shown in fig. 6) on the other, floor spring device 200 still can include the connecting piece that passes spacing notch 51 and fixed orifices 61 simultaneously in order to be in casing 5 with floor spring body 6 pre-fixing, wherein, spacing notch 51 can be constructed as: the connecting member can be made to rotate and linearly move within the retaining notch 51 relative to the retaining notch 51 to preliminarily adjust the clearance between the spring body 6 relative to the inner wall of the housing 5. By configuring the limit notch 51 to enable the connector to rotate and linearly move relative to the limit notch 51 within the limit notch 51, so that when the connector rotates relative to the limit notch 51 within the limit notch 51, the rotation angle of the spring body 6 relative to the housing 5 can be adjusted, and when the connector linearly moves relative to the limit notch 51 within the limit notch 51, the distance between the spring body 6 relative to the inner wall of the housing 5 can be adjusted, and the rotation and linear movement of the connector relative to the limit notch 51 within the limit notch 51 jointly achieve a preliminary adjustment of the gap between the spring body 6 relative to the inner wall of the housing 5. After the initial adjustment, the floor spring body 6 can be positioned in the housing 5 in combination with the gap adjustment assembly 100 of the embodiment of the present invention.

Preferably, as shown in fig. 5, by combining the structure of the limiting notch 51, when the inner wall of the limiting notch 51 can achieve the limitation in one direction of the floor spring body 6 in the length direction thereof, the floor spring device 200 of the embodiment of the present invention can achieve the positioning of the floor spring body 6 relative to the fixed base 102 by using three distance adjusting assemblies 100.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. An interval adjustment assembly for adjusting an interval between a device to be adjusted and a fixed base, comprising:

a supporting part fixedly connected with the fixed foundation or the device to be adjusted,

an adjustment member passing through the support member and capable of linear displacement relative to the support member, an

The abutting sliding block is rotatably connected with the bottom end of the adjusting component and comprises a first abutting surface used for abutting against the device to be adjusted, a second abutting surface which is arranged opposite to the first abutting surface and used for abutting against the fixed foundation, and an inclined surface which is used for connecting the first abutting surface and the second abutting surface and used for abutting against the supporting piece,

wherein the inclined surface has an initial contact position and a maximum adjustment contact position in contact with the support, the initial contact position being higher than the maximum adjustment contact position, and displacement of the adjustment member relative to the support can drive the inclined surface of the abutment slider to move between the initial contact position and the maximum adjustment contact position.

2. The assembly according to claim 1, wherein the first abutment surface is configured as a curved surface curved toward the fixed base, the second abutment surface is configured as an inclined surface, a top end of the inclined surface is closer to the fixed base than a bottom end of the inclined surface, and a top end of the curved surface is lower than the top end of the inclined surface.

3. The assembly according to claim 1 or 2, wherein the abutting slider includes two side wall plates arranged in parallel, top walls of the two side wall plates are formed as the inclined surfaces, side walls of the two side wall plates are formed as the first abutting surfaces and the second abutting surfaces, respectively, and a bottom end of the adjusting member is rotatably clamped between the two side wall plates.

4. A spacing adjustment assembly according to claim 3, wherein said side wall plates are formed with arcuate openings at a bottom region thereof, said adjustment member comprises a threaded rod and a nut connected to a bottom portion of said threaded rod, said nut being clamped between said openings of both of said side wall plates, said nut being in rotational engagement with said openings, a top portion of said threaded rod being in threaded engagement with said support member.

5. The assembly of claim 4, wherein the outer wall of the nut is configured as a cross flange projecting outwardly from an edge of the central bore of the nut, two opposing first flanges of the cross flange being in respective planar abutment between the two side wall plates, and two other opposing second flanges of the cross flange being located in respective arcuate openings of the two side wall plates.

6. A spacing adjustment assembly according to claim 1 or 2, characterized in that said inclined surface and/or said first abutment surface and/or said second abutment surface are configured as a roughened surface.

7. A floor spring device, characterized by comprising a housing and a floor spring body in the housing, and a spacing adjustment assembly according to any one of claims 1 to 6, wherein the device to be adjusted is the floor spring body, and the fixed base is the housing.

8. The floor spring device according to claim 7, wherein the floor spring device comprises at least two pairs of the distance adjusting assemblies, one pair of the distance adjusting assemblies is respectively located between two side walls in the length direction of the shell and two side walls in the length direction of the floor spring body, and the other pair of the distance adjusting assemblies is respectively located between two side walls in the width direction of the shell and two side walls in the width direction of the floor spring body.

9. The floor spring assembly of claim 7, further comprising a retaining plate fixedly attached to at least one side wall of the housing, the retaining plate fixedly attached to a side wall of the floor spring body.

10. The floor spring device according to claim 7, wherein one of the bottom wall of the housing and the bottom wall of the floor spring body is formed with a limiting notch, and the other is formed with a fixing hole, and further comprising a connecting member simultaneously passing through the limiting notch and the fixing hole to pre-fix the floor spring body in the housing, wherein the limiting notch is configured to: the connecting piece can rotate and linearly move in the limiting notch relative to the limiting notch so as to preliminarily adjust the gap between the floor spring body and the inner wall of the shell.

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