Fixing seat of house height adjusting device

Abstract

The utility model discloses a fixed seat of a house height adjusting device, which belongs to the technical field of house height adjustment and comprises a fixed seat, a sleeve, a screw and a driving component, the sleeve is rotatably mounted at the upper end of the fixed seat, the top of the sleeve is fixedly connected with a nut, the screw penetrates through the sleeve and is in threaded connection with the nut, and the driving component is fixedly connected with the screw. The lower end of the screw rod is fixedly connected with a guide block, the driving assembly comprises a hand wheel, a worm and a worm gear, the hand wheel is fixedly arranged at one end of the worm in a sleeving mode, the worm fixedly extends into the fixing base, and the worm gear is fixedly arranged on the sleeve in a sleeving mode and meshed with the worm; through the arrangement of the driving assembly, under the condition that no matched tool exists, the hand wheel can be rotated by hand, the worm is driven by the hand wheel to rotate, the worm drives the worm gear to rotate, and the worm gear drives the sleeve to rotate, so that operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of housing height adjustment, specifically relates to a fixed seat of housing height adjustment device. BACKGROUND

[0002] Steel structure house is the third generation building, it adopts to make H type steel and thin wall cold bending C, Z type steel combination or building skeleton, roof and wall adopt color coating profiled steel sheet or sandwich color steel sheet, people adopt steel structure to build house to save construction period, and improve building security and aesthetic appearance. Steel structure house generally adopts floor height adjustment device to carry out height adjustment.

[0003] The existing patent with the announcement number CN204608985U discloses a kind of height adjustment device of light steel keel structure house, including top plate, support, bottom plate, U-shaped plate and adjusting screw, support is installed on bottom plate, support is square tube support, U-shaped plate is provided on the top of support, the top of U-shaped plate is provided with fixed nut, adjusting screw is inserted on support by the cooperation of fixed nut and U-shaped plate, adjusting screw outer surface is equipped with external thread, adjusting screw lower part is rotatably equipped with adjusting nut, square hole is opened in the position of support corresponding to adjusting nut, top plate is set on the top of adjusting screw.

[0004] For the related technology in the above, the inventor finds that at least the following problems exist in the technology: the existing housing height adjustment device can only rotate nut by means of matched tool to realize height adjustment operation, and operation is difficult to carry out without matched tool, and use is not convenient enough. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of fixed seat of housing height adjustment device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of fixed seat of housing height adjustment device, including fixed seat, sleeve, screw rod and drive assembly, the sleeve rotation is installed at the upper end of fixed seat, the top of sleeve is fixedly connected with nut, the screw rod is inserted in sleeve and is threadedly connected with nut, the lower end of screw rod is fixedly connected with guide block;

[0007] The drive assembly includes hand wheel, worm and worm wheel, the hand wheel is fixedly sleeved at one end of worm, the worm is fixedly extended into fixed seat, the worm wheel is fixedly sleeved on sleeve and is engaged with worm.

[0008] As a preferred implementation, the upper end of the fixed seat is fixedly installed with bearing, and the sleeve is fixedly connected with the inner ring of the bearing.

[0009] As a preferred implementation form, the surface of the sleeve is provided with a limiting ring, and a plurality of steel balls are in rolling connection between the limiting ring and the fixing base.

[0010] As a preferred implementation form, the fixing base is provided with a guide groove around the fixing base, and the guide block is in sliding connection with the guide groove.

[0011] As a preferred implementation form, the fixing base is provided with a cover shell near one side of the fixing base, and the hand wheel is arranged in the cover shell.

[0012] As a preferred implementation form, one end of the hand wheel is fixedly connected with a connecting pipe, one end of the worm extends into the connecting pipe and is fixedly connected with a limiting block, the limiting block is in sliding connection with the inner wall of the connecting pipe, and a spring is abutted against one side of the limiting block in the connecting pipe.

[0013] Compared with the prior art, the housing height adjusting device has the following beneficial effects:

[0014] The fixing base of the housing height adjusting device is provided with the driving assembly, so that the hand wheel can be rotated by hand without a matched tool, the worm is driven to rotate by the hand wheel, the worm drives the worm gear to rotate, and the worm gear drives the sleeve to rotate, so that the operation is facilitated.

[0015] The fixing base of the housing height adjusting device is provided with the cover shell, the connecting pipe, the limiting block and the spring, the spring applies a force to the connecting pipe in a direction away from the limiting block, the spring drives the hand wheel to retract into the cover shell when the hand wheel is not used, the hand wheel can be prevented from being touched when not used, and the hand wheel can be pulled out of the cover shell by pulling the hand wheel outward to drive the connecting pipe to slide outward along the worm, so that the hand wheel is conveniently operated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is an internal structure schematic view of the utility model;

[0018] Figure 3 It is the utility model Figure 2 It is a structure enlarged view of A in the utility model;

[0019] Figure 4 It is a structure schematic view of the guide block of the utility model.

[0020] In the figure: 1, fixed seat; 11, bearing; 12, guide groove; 13, cover; 2, sleeve; 21, nut; 22, limit ring; 23, steel ball; 3, screw rod; 31, guide block; 4, driving assembly; 41, hand wheel; 42, worm; 43, worm gear; 44, connecting pipe; 45, limit block; 46, spring. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with examples.

[0022] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvement of the method of the utility model under the concept premise of the utility model all belong to the range required to be protected by the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of fixed seat of housing height adjusting device, including fixed seat 1, sleeve 2, screw rod 3 and driving assembly 4, sleeve 2 rotationally installs at the upper end of fixed seat 1, the top of sleeve 2 is fixedly connected with nut 21, screw rod 3 is threaded in sleeve 2 and is connected with nut 21, the lower end of screw rod 3 is fixedly connected with guide block 31, the periphery of fixed seat 1 is all provided with guide groove 12, guide block 31 is slidably connected with guide groove 12, by the setting of fixed seat 1, sleeve 2 and screw rod 3, when operating, can use matched tool to rotate nut 21, under the cooperation of guide block 31 and guide groove 12, make nut 21 drive screw rod 3 along fixed seat 1 vertical motion, to realize the height adjustment of device.

[0024] Refer to Figure 1 And Figure 3 Driving assembly 4 includes hand wheel 41, worm 42 and worm gear 43, hand wheel 41 is fixedly sleeved on one end of worm 42, worm 42 is fixedly extended into fixed seat 1, worm gear 43 is fixedly sleeved on sleeve 2 and is engaged with worm 42, by the setting of driving assembly 4, in the absence of matched tool, can rotate hand wheel 41 by hand, drive worm 42 to rotate by hand wheel 41, make worm 42 drive worm gear 43 to rotate, make worm gear 43 drive sleeve 2 to rotate, to facilitate the operation to carry out.

[0025] Refer to Figure 1 And Figure 3The side of the fixing base 1 close to the hand wheel 41 is provided with a cover 13, the hand wheel 41 is arranged in the cover 13, one end of the hand wheel 41 is fixedly connected with a connecting pipe 44, one end of the worm 42 extends into the connecting pipe 44 and is fixedly connected with a limiting block 45, the limiting block 45 is slidably connected with the inner wall of the connecting pipe 44, the side of the connecting pipe 44, which is located at the limiting block 45, is abutted with a spring 46, through the arrangement of the cover 13, the connecting pipe 44, the limiting block 45 and the spring 46, the spring 46 will exert a force on the connecting pipe 44 in the direction away from the limiting block 45, when the hand wheel 41 is not used, the spring 46 will drive the hand wheel 41 to retract into the cover 13, so that the hand wheel 41 can be prevented from being touched when not in use, when the hand wheel 41 needs to be used, the hand wheel 41 can be pulled out of the cover 13 by pulling the hand wheel 41 outward, so that the hand wheel 41 is driven to slide outward along the worm 42, and the hand wheel 41 is convenient to operate.

[0026] Further, the upper end of the fixing base 1 is fixedly installed with a bearing 11, the sleeve 2 is fixedly connected with the inner ring of the bearing 11, through the arrangement of the bearing 11, the sleeve 2 can be supported, the friction of the sleeve 2 during rotation can be reduced, the rotation of the sleeve 2 is smoother, and the operation is more labor-saving, the surface of the sleeve 2 is provided with a limiting ring 22, the sleeve 2 can be limited through the limiting ring 22, and a plurality of steel balls 23 are rollingly connected between the limiting ring 22 and the fixing base 1, and the friction between the limiting ring 22 and the fixing base 1 can be reduced through the steel balls 23.

[0027] The working principle and use process of the utility model are as follows: firstly, through the arrangement of the fixing base 1, the sleeve 2 and the screw rod 3, when operating, the nut 21 can be rotated by using a matched tool, under the cooperation of the guide block 31 and the guide groove 12, the nut 21 drives the screw rod 3 to move vertically along the fixing base 1, so that the height adjustment of the device is realized; through the arrangement of the cover 13, the connecting pipe 44, the limiting block 45 and the spring 46, the spring 46 will exert a force on the connecting pipe 44 in the direction away from the limiting block 45, when the hand wheel 41 is not used, the spring 46 will drive the hand wheel 41 to retract into the cover 13, so that the hand wheel 41 can be prevented from being touched when not in use, in the case that there is no matched tool, the hand wheel 41 can be rotated by hand, the worm 42 is driven to rotate through the hand wheel 41, the worm wheel 43 is driven to rotate through the worm 42, and the sleeve 2 is driven to rotate through the worm wheel 43, so that the operation is facilitated; when the hand wheel 41 needs to be used, the hand wheel 41 can be pulled out of the cover 13 by pulling the hand wheel 41 outward, so that the hand wheel 41 is driven to slide outward along the worm 42, and the hand wheel 41 is convenient to operate.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixing base of a housing height adjusting device, comprising a fixing base (1), a sleeve (2), a screw rod (3) and a driving assembly (4), characterized in that: The sleeve (2) is rotatably installed on the upper end of the fixed base (1), the top of the sleeve (2) is fixedly connected with a nut (21), the screw rod (3) penetrates in the sleeve (2) and is threadedly connected with the nut (21), and the lower end of the screw rod (3) is fixedly connected with a guide block (31). The driving assembly (4) comprises a hand wheel (41), a worm (42) and a worm wheel (43), the hand wheel (41) is fixedly sleeved on one end of the worm (42), the worm (42) extends into the fixed base (1), and the worm wheel (43) is fixedly sleeved on the sleeve (2) and is in engagement with the worm (42).

2. The fixed base of a housing height adjustment device according to claim 1, characterized in that: The upper end of the fixed base (1) is fixedly installed with a bearing (11), and the sleeve (2) is fixedly connected with the inner ring of the bearing (11).

3. The housing height adjustment apparatus fixing base according to claim 1, characterized in that: The surface of the sleeve (2) is provided with a limiting ring (22), and a plurality of steel balls (23) are rollingly connected between the limiting ring (22) and the fixed base (1).

4. The housing height adjustment apparatus fixing base according to claim 1, characterized in that: The fixed base (1) is provided with a guide groove (12) around the fixed base (1), and the guide block (31) is slidingly connected with the guide groove (12).

5. The housing height adjustment device fixing seat according to claim 1, characterized in that: The fixed base (1) is provided with a cover (13) close to the hand wheel (41), and the hand wheel (41) is arranged in the cover (13).

6. The fixed base of a housing height adjustment device according to claim 1, wherein: One end of the hand wheel (41) is fixedly connected with a connecting pipe (44), one end of the worm (42) extends into the connecting pipe (44) and is fixedly connected with a limiting block (45), the limiting block (45) is slidingly connected with the inner wall of the connecting pipe (44), and a spring (46) abuts against one side of the limiting block (45) in the connecting pipe (44).

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