Durable spring force adjusting device and upturning support

Abstract

The utility model discloses a durable type spring force adjusting device and upturning support, the durable type spring force adjusting device comprises a spring, a protective shell, an adjusting screw, an adjusting screw rod and a spring pressing block, one end of the adjusting screw is provided with rotating teeth, one end of the adjusting screw rod is provided with clamping teeth, the rotating teeth are meshed with the clamping teeth, the spring pressing block is sleeved on the adjusting screw rod, and the spring pressing block is sleeved on the adjusting screw rod. One end of the spring abuts against the spring pressing block, the protective shell is provided with a first containing cavity and a second containing cavity, the adjusting screw is arranged in the first containing cavity, one end of the adjusting screw rod is located in the second containing cavity, and the first containing cavity is communicated with the second containing cavity. By arranging the protective shell and the two containing cavities, mounting of the adjusting screw and the adjusting screw rod is facilitated, the adjusting screw makes contact with the protective shell when rotating, external supporting blocks cannot be abraded, the external shell structure is protected, matching of rotating teeth and clamping teeth is guaranteed, the service life of the adjusting screw is prolonged, and the service life of the adjusting screw is prolonged. And the adjusting effectiveness of the adjusting screw on the adjusting screw rod is kept.

Description

TECHNICAL FIELD

[0001] The utility model belongs to an important accessory of furniture, in particular to a durable spring force adjusting device and an upturning support. BACKGROUND

[0002] The cabinet body of the cabinet and the wall cabinet in the furniture is more installed with the door which is opened upward, when the door is opened, the external force acts on the door, and the door is upturned, when the door is upturned, the door is opened by the upturning support, for example, the upturning support disclosed in the application No.202023087967.8 is adjusted by the cooperation of the adjusting screw and the adjusting screw rod in the elastic device, when the elasticity of the spring is adjusted, the external force twists the adjusting screw to drive the adjusting screw rod, and finally the adjustment of the compression degree of the spring is realized, and the support force requirement of the cabinet door with different weights is satisfied, but when the adjusting screw is adjusted, the outer wall of the adjusting screw is easy to cause the abrasion of the side wall of the corresponding mounting hole of the plastic support block, so that the gap between the outer wall of the adjusting screw and the corresponding mounting hole of the support block is increased, the adjusting screw is loose, the cooperation between the adjusting screw and the corresponding teeth of the adjusting screw rod is not tight, when the gap is too large, the adjusting screw and the adjusting screw rod are separated, the compression degree of the spring cannot be adjusted, and the use is affected. CONTENT

[0003] The utility model aims at providing a durable spring force adjusting device which can solve at least one of the above problems.

[0004] According to one aspect of the utility model, a durable spring force adjusting device is provided, which comprises a protective shell, an adjusting screw, an adjusting screw rod and a spring pressing block, one end of the adjusting screw is provided with a rotating tooth, one end of the adjusting screw rod is provided with a clamping tooth, the rotating tooth is engaged with the clamping tooth, the spring pressing block is sleeved on the adjusting screw rod, the spring pressing block is threadedly matched with the adjusting screw rod, the protective shell is provided with a first containing cavity and a second containing cavity, the adjusting screw is arranged in the first containing cavity, one end of the adjusting screw rod is located in the second containing cavity, and the other end of the adjusting screw rod is stretched out after penetrating through the second containing cavity, and the first containing cavity is in communication with the second containing cavity.

[0005] The utility model has the advantages that the protective shell is arranged, and two containing cavities are arranged, so that the installation of the adjusting screw and the adjusting screw rod is facilitated, when the adjusting screw rotates, the adjusting screw is in contact with the protective shell, and the support block outside is not abraded, so that the shell structure outside is protected, the first containing cavity and the second containing cavity are arranged, the adjusting screw rod can be ensured to be located in the first containing cavity at all times, so that the adjusting screw and the adjusting screw rod are kept in interaction, that is, the cooperation between the rotating tooth and the clamping tooth is ensured, the effectiveness of the adjustment of the adjusting screw on the adjusting screw rod is ensured, and the adjustment of the compression degree of the spring sleeved on the spring pressing block is effectively realized.

[0006] In some embodiments, the first accommodating cavity is formed by the inner side of the protection shell, and the second accommodating cavity is formed by the top end of the protection shell. Thus, the installation of the adjusting screw and the adjusting screw rod is facilitated.

[0007] In some embodiments, the first accommodating cavity is formed by the inner side of the protection shell, and the second accommodating cavity is formed by the top end of the protection shell. Thus, the installation of the adjusting screw and the adjusting screw rod is facilitated.

[0008] In some embodiments, the second accommodating cavity is provided with a third limiting step, and the adjusting screw rod is provided with a fourth limiting step, the fourth limiting step being in abutment with the third limiting step. Thus, the end of the adjusting screw rod provided with the clamping teeth is limited in the second accommodating cavity, and the cooperating state between the rotating teeth and the clamping teeth is ensured.

[0009] In some embodiments, the protection shell comprises a front shell and a rear shell, the front shell and the rear shell being cooperated to form the first accommodating cavity and the second accommodating cavity. Thus, the cooperation of the front shell and the rear shell facilitates the installation of the corresponding structures in the accommodating cavities.

[0010] In some embodiments, the spring pressing block comprises a pressing plate and a sleeve, the inner wall of the sleeve is provided with an internal thread, the other end of the adjusting screw rod is sleeved in the sleeve and cooperated with the sleeve in thread, the pressing plate is arranged at the bottom end of the sleeve, and one end of the spring is in abutment with the pressing plate. Thus, the cooperation of the pressing plate and the spring is facilitated, and the cooperation of the sleeve and the adjusting screw rod is facilitated.

[0011] According to another aspect of the utility model, a kind of upturn support is provided, including the durable spring force adjusting device described above, still including spring, mounting seat, support shell, cam arm, rotating arm and damper, one end of spring is in abutment with spring pressing block, mounting seat is connected with the bottom end of support shell, installation box is arranged in support shell, durable spring force adjusting device is arranged in installation box, one end of damper is fixed on support shell, the other end is corresponding with installation box, one end of cam arm is provided with cam portion, one end of rotating arm is connected with mounting seat, the other end is connected with cam portion, cam portion is in abutment with the other end of spring. Thus, the adjustment of the spring force in the upturn support can be realized by the structure of the upturn support, so as to adjust the size of the force of spring acting on cam arm, satisfy different door opening force use requirements.

[0012] In some embodiments, the upturn support further comprises a bearing and a bearing support, the bearing support is fixed in the support shell, the bearing is arranged on the bearing support, the other end of the spring is in abutment with the bearing, the bearing is in abutment with the cam portion, and the cam portion is in abutment with the other end of the spring through the bearing. Thus, the spring acting on the cam portion is facilitated by the bearing. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1It is a structure schematic view of a durable spring force adjusting device.

[0014] Figure 2 It is an internal structure schematic view of the durable spring force adjusting device in a opened state.

[0015] Figure 3 It is Figure 1 a sectional view structure schematic view.

[0016] Figure 4 It is a structure schematic view of the durable spring force adjusting device matched with the spring.

[0017] Figure 5 It is a structure schematic view of the upturning support.

[0018] Figure 6 It is a structure schematic view of the upturning support inside.

[0019] Figure 7 It is a structure schematic view of the spring matched with the bearing in the upturning support. Specific implementation

[0020] The utility model will be made further detailed description in combination with the drawings.

[0021] Refer to Figures 1-4 A durable spring force adjusting device, including protection shell 2, adjusting screw 3, adjusting screw rod 4 and spring pressing block 5, one end of adjusting screw 3 is equipped with gear teeth 31, one end of adjusting screw rod 4 is equipped with clamping tooth 41, gear teeth 31 are engaged with clamping tooth 41, spring pressing block 5 is set on adjusting screw rod 4, and spring pressing block 5 is in threaded cooperation with adjusting screw rod 4, protection shell 2 is equipped with first containing cavity 21 and second containing cavity 22, adjusting screw 3 is located in first containing cavity 21, one end of adjusting screw rod 4 is located in second containing cavity 22, and the other end is stretched out after penetrating through second containing cavity 22, and first containing cavity 21 is communicated with second containing cavity 22.

[0022] In actual use, protection shell 2 is a metal shell, which can increase wear resistance, thereby preventing adjusting screw 3 and adjusting screw rod 4 from being worn at the contact with protection shell 2, and ensuring the effective contact of adjusting screw 3 and adjusting screw rod 4. Meanwhile, by being equipped with first containing cavity 21, adjusting screw 3 can be limited, and the cooperation of gear teeth 31 and clamping tooth 41 is further ensured.

[0023] Spring pressing block 5 includes pressing plate 51 and sleeve 52, the inner wall of sleeve 52 is equipped with internal thread, the other end of adjusting screw rod 4 is set in sleeve 52 and is in threaded cooperation with sleeve 52, spring 1 is set on the outside of sleeve 52, pressing plate 51 is located at the bottom end of sleeve 52, and one end of spring 1 is in abutment with pressing plate 51.

[0024] When the compression degree of the spring 1 needs to be adjusted, the adjusting screw 3 is screwed by external force, and the rotation of the gear tooth 31 acts on the catch 41, so that the catch 41 rotates, i.e. drives the adjusting screw 4 to rotate, and the rotation of the adjusting screw 4 enables the spring pressing block 5 to move relative to the adjusting screw 4, so that the spring pressing block 5 moves towards or away from the spring side, thereby realizing the adjustment of the compression degree of the spring 1 by the spring pressing block 5.

[0025] The first accommodating cavity 21 is formed in the side of the protective shell 2, and the second accommodating cavity 22 is formed in the top end of the protective shell 2. Among them, the adjusting screw 3 can be flush with the outer end face of the first accommodating cavity 21 when installed, so that external force can act on the adjusting screw 3.

[0026] The first accommodating cavity 21 is provided with a first limiting step 23, and the adjusting screw 3 is provided with a second limiting step 32, and the first limiting step 23 abuts against the second limiting step 32. When installed, the abutment of the two corresponding steps can limit the installation position of the adjusting screw 3 in the first accommodating cavity 21, facilitating the quick installation of the adjusting screw 3 in the protective shell 2.

[0027] The second accommodating cavity 22 is provided with a third limiting step 24, and the adjusting screw 4 is provided with a fourth limiting step 42, and the fourth limiting step 42 abuts against the third limiting step 24. When installed, the abutment of the two corresponding steps can limit the installation position of the adjusting screw 4 in the second accommodating cavity 22, facilitating the quick installation of the end of the adjusting screw 4 provided with the catch 41 in the protective shell 2.

[0028] Therefore, through the first accommodating cavity 21 and the second accommodating cavity 22, the installation of the adjusting screw 3 and the adjusting screw 4 can be facilitated, and through the limiting action of each accommodating cavity, the gear tooth 31 and the catch 41 can always be kept in cooperation.

[0029] The protective shell 2 includes a front shell 25 and a rear shell 26, and the front shell 25 and the rear shell 26 cooperate to form the first accommodating cavity 21 and the second accommodating cavity 22. Among them, the front shell 25 and the rear shell 26 can be fixed by screw locking.

[0030] As Figures 4-7As shown, the utility model discloses still a kind of upturning support, including the durable spring force adjusting device of above-mentioned still including spring 1, mounting seat 6, support shell 7, cam arm 8, swing arm 9 and damper 10, one end of spring 1 is in abutment with spring pressing block 5, and mounting seat 6 is connected with the bottom end of support shell 7, installation box 71 is equipped in support shell 7, and durable spring force adjusting device 20 is located in installation box 71, one end of damper 10 is fixed on support shell 7, and the other end corresponds with installation box 71, one end of cam arm 8 is equipped with cam portion 81, one end of swing arm 9 is connected with mounting seat 6, and the other end is connected with cam portion 81, and cam portion 81 is in abutment with the other end of spring 1. By being equipped with damper 10, the door closing speed of cabinet door can be buffered, prevent door closing speed from being too fast, and play certain protective effect to operator and cabinet door.

[0031] When installing, cam arm 8 is fixed on cabinet door, and mounting seat 6 is fixed on cabinet body;The support principle of the upturning support to cabinet door is same with the support principle in the patent technology disclosed in background art, and will not be repeated here.

[0032] Wherein, installation box 71 and support shell 7 are integrally injection molded structure, and protective shell 2 is sleeved and fixed in support shell 7, by being equipped with protective shell 2, adjusting screw and adjusting screw rod can be prevented from directly contacting with support shell 7, to prevent adjusting screw and adjusting screw rod from wearing support shell 7 when rotating.

[0033] The upturning support further includes bearing 30 and bearing support 40, bearing support 40 is fixed in support shell 7, bearing 30 is arranged on bearing support 40, the other end of spring 1 is in abutment with bearing 30, bearing 30 is in abutment with cam portion 81, and cam portion 81 is in abutment with the other end of spring 1 through bearing 30. The inner side of support shell 7 is formed with mounting groove, and bearing support 40 is clamped in the mounting groove;Bearing 30 is installed on bearing support 40 through mounting shaft, and both ends of mounting shaft are sleeved on bearing support 40.

[0034] In actual use, the other end of spring 1 is pressed on bearing 30, and cam portion 81 of cam arm 8 contacts bearing 30, so when the compression degree of spring 1 changes, the force acting on cam portion 81 by spring 1 changes, thereby facilitating supporting cabinet door of different weights, and meeting different use requirements.

[0035] The above is only preferred embodiment of the utility model, it should be pointed out, for ordinary skilled person in the art, without departing from the creative concept of the utility model, can make a number of deformation and improvement under the premise, these all belong to the protection scope of the utility model.

Claims

1. A durable spring force adjustment device, characterized by, The device comprises a protective shell (2), an adjusting screw (3), an adjusting screw rod (4), and a spring pressing block (5), one end of the adjusting screw (3) is provided with a rotating gear (31), one end of the adjusting screw rod (4) is provided with a clamping gear (41), the rotating gear (31) is engaged with the clamping gear (41), the spring pressing block (5) is sleeved on the adjusting screw rod (4), the spring pressing block (5) is threadedly connected with the adjusting screw rod (4), the protective shell (2) is provided with a first accommodating cavity (21) and a second accommodating cavity (22), the adjusting screw (3) is arranged in the first accommodating cavity (21), one end of the adjusting screw rod (4) is located in the second accommodating cavity (22), and the other end of the adjusting screw rod (4) extends out after penetrating through the second accommodating cavity (22), and the first accommodating cavity (21) is in communication with the second accommodating cavity (22).

2. A durable spring force adjustment device according to claim 1, characterized in that The first accommodating cavity (21) is formed in the side of the protective shell (2) inwardly, and the second accommodating cavity (22) is formed in the top end of the protective shell (2) inwardly.

3. A durable spring force adjustment device according to claim 2, wherein, The first accommodating cavity (21) is provided with a first limiting step (23), the adjusting screw (3) is provided with a second limiting step (32), and the first limiting step (23) is in abutment with the second limiting step (32).

4. A durable spring force adjustment device according to claim 2 or 3, characterized in that The second accommodating cavity (22) is provided with a third limiting step (24), the adjusting screw rod (4) is provided with a fourth limiting step (42), and the fourth limiting step (42) is in abutment with the third limiting step (24).

5. A durable spring force adjustment device according to claim 4, wherein, The protective shell (2) comprises a front shell (25) and a rear shell (26), the front shell (25) and the rear shell (26) are matched to form the first accommodating cavity (21) and the second accommodating cavity (22).

6. A durable spring force adjustment device according to claim 5, wherein, The spring pressing block (5) comprises a pressing plate (51) and a sleeve (52), an inner thread is arranged on the inner wall of the sleeve (52), the other end of the adjusting screw rod (4) is sleeved in the sleeve (52) and is threadedly connected with the sleeve (52), the pressing plate (51) is arranged at the bottom end of the sleeve (52), and one end of the spring (1) is in abutment with the pressing plate (51).

7. The flip-up support comprising the durable spring force adjusting device of claim 5, wherein, The device further comprises a spring (1), a mounting base (6), a supporting shell (7), a cam arm (8), a rotating arm (9), and a damper (10), one end of the spring (1) is in abutment with the spring pressing block (5), the mounting base (6) is connected with the bottom end of the supporting shell (7), the supporting shell (7) is provided with a mounting box (71), the durable spring force adjusting device (20) is arranged in the mounting box (71), one end of the damper (10) is fixed on the supporting shell (7), the other end of the damper (10) corresponds to the mounting box (71), one end of the cam arm (8) is provided with a cam portion (81), one end of the rotating arm (9) is connected with the mounting base (6), the other end of the rotating arm (9) is connected with the cam portion (81), and the cam portion (81) is in abutment with the other end of the spring (1).

8. The flip support of claim 7, wherein, Also included are a bearing (30) and a bearing support (40) fixed in the support shell (7), the bearing (30) being arranged on the bearing support (40), the other end of the spring (1) abutting against the bearing (30), the bearing (30) abutting against the cam portion (81), and the cam portion (81) abutting against the other end of the spring (1) through the bearing (30).

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