Height adjusting device of negative pressure fish tank

Abstract

The utility model discloses a height adjusting device for a negative pressure fish tank, which comprises a fixing plate and a clamping plate adjustably arranged on the fixing plate, an adjusting rod is rotatably arranged on the clamping plate, a supporting part for supporting the negative pressure fish tank is arranged on the adjusting rod, and the adjusting rod rotates to enable the supporting part clamped on the negative pressure fish tank to lift; a U-shaped clamp for fixing the fixing plate on the fish tank is arranged on the fixing plate; a pre-tightening component is arranged on the U-shaped clamp; the adjustable clamping plate is arranged on the fixing plate, so that the outer wall of the negative-pressure fish tank is clamped in a sliding mode, and the negative-pressure fish tank can slide on the clamping plate in the vertical direction; the adjusting rod on the clamping plate is rotated, so that the supporting part on the adjusting rod can drive the negative pressure fish tank to vertically ascend and descend in the traditional fish tank along with the rotation of the adjusting rod under the limitation of the negative pressure fish tank, and the height of the negative pressure fish tank in the traditional fish tank is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of fish tanks, in particular to a height adjustment device for a negative pressure fish tank. Background Art

[0002] The negative pressure fish tank is placed on the traditional fish tank by means of negative pressure, so that the height of the traditional fish tank becomes higher, and the water in the traditional fish tank can present a water column through the negative pressure fish tank so that the fish can swim up for viewing. The current negative pressure fish tank is generally fixed on the side wall or the middle part of the traditional fish tank, and its height cannot be adjusted after being fixed, so that it cannot be adjusted in height according to customer needs during use. For example, the publication number is CN219698776U, which is a negative pressure fish tank device, including an outer cylinder body, an inner cylinder body and a fixed bracket, the outer cylinder body is a main cylinder, the inner cylinder body is a negative pressure cylinder body, the inner cylinder body is placed in the outer cylinder body, the opening of the inner cylinder body faces downward, the inner cylinder body is hung on the cylinder wall of the outer cylinder body through the fixed bracket, and the fixed bracket is provided with a fastening bolt, the fastening bolt passes through the threaded screw hole on the fixed bracket, and the fixed bracket is fastened to the cylinder wall of the outer cylinder body by tightening the fastening bolt.

[0003] Therefore, the present application proposes a device that can be used for adjusting the height of a negative pressure fish tank. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the height of the negative pressure fish tank cannot be adjusted by the height adjustment device.

[0005] The utility model provides a height adjustment device for a negative pressure fish tank, comprising a fixed plate and a clamping plate adjustably arranged on the fixed plate, an adjusting rod is rotatably arranged on the clamping plate, a supporting part for supporting the negative pressure fish tank is arranged on the adjusting rod, and the adjusting rod makes the supporting part clamped on the negative pressure fish tank perform lifting movement by rotating; a U-shaped clamp for fixing the fixed plate on the fish tank is arranged on the fixed plate; and a pre-tightening component is arranged on the U-shaped clamp.

[0006] Preferably, the adjusting rod comprises a rotating screw and an adjusting screw tube, the rotating screw is rotatably arranged on the clamping plate, the adjusting screw tube is threadedly connected to the rotating screw, and the supporting part is fixedly arranged on the adjusting screw tube.

[0007] Preferably, the support part is a rectangular block structure, and a clamping groove for clamping the lower opening of the negative pressure fish tank is provided on the support part. The clamping part of the clamping plate is an arc structure or a plane structure, and an elastic clip is provided on the clamping part of the clamping plate.

[0008] Preferably, the U-shaped clamp includes a positioning plate fixed to the end of the fixed plate and a sliding plate slidably arranged on the fixed plate, and the pre-tightening component is a bolt, which is rotatably arranged on the positioning plate, and the other end of the bolt is threadedly connected to the sliding plate.

[0009] Preferably, a rotating rod is threadedly connected to the fixed plate, and the end of the rotating rod is rotatably connected to the clamping plate, so that the rotating rod can adjust the distance between the clamping plate and the fixed plate by rotating. A limiting rod is also included, one end of which is fixedly arranged on the clamping plate, and the other end of which is slidably arranged on the fixed plate.

[0010] Compared with the prior art, it has the following beneficial effects:

[0011] The present application provides an adjustable clamp on a fixed plate to slidingly clamp the outer wall of the negative pressure fish tank so that it can slide on the clamp in the vertical direction; the adjusting rod on the clamp is rotated so that the supporting part on the adjusting rod can drive the negative pressure fish tank to perform vertical lifting movement in the traditional fish tank under the limit of the negative pressure fish tank as the adjusting rod is rotated, so as to adjust the height of the negative pressure fish tank in the traditional fish tank; at the same time, the present application can also adjust the clamping diameter of the two clamps by adjusting the distance between the fixed plate and the clamp, and has high applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0013] Figure 1 This is a schematic diagram of the installation position of the negative pressure fish tank of the utility model;

[0014] Figure 2 This is a schematic diagram of a height adjustment device for a negative pressure fish tank of the utility model;

[0015] Figure 3 For this utility model Figure 2 A local enlarged schematic diagram;

[0016] Figure 4 This is a schematic diagram of another embodiment of the U-shaped clamp of the utility model;

[0017] Figure 5 This is a schematic diagram of the adjustment rod of the utility model;

[0018] Figure 6 This is a schematic diagram of another embodiment of the adjusting rod of the utility model.

[0019] In the figure, 1-fixed plate; 2-clamp; 3-adjusting rod; 31-rotating screw; 32-adjusting screw tube; 33-adjusting screw; 4-support part; 41-slot; 5-U-shaped clip; 51-positioning plate; 52-sliding plate; 6-pre-tightening component; 61-elastic pressing sheet; 7-rotating rod; 8-limiting rod; 9-negative pressure fish tank. DETAILED DESCRIPTION

[0020] In order to make it easier to understand the structure of the present invention and the functional features and advantages that can be achieved, the preferred embodiments of the present invention are described in detail with reference to the drawings as follows:

[0021] Example:

[0022] like Figures 1 to 5 As shown, the utility model provides a height adjustment device for a negative pressure fish tank, comprising a fixed plate 1 and a clamping plate 2 adjustable on the fixed plate 1, an adjustment rod 3 rotatably arranged on the clamping plate 2, a support portion 4 for supporting the negative pressure fish tank 9 arranged on the adjustment rod 3, and the adjustment rod 3 rotates to make the support portion 4 clamped on the negative pressure fish tank 9 perform lifting and lowering movements; a U-shaped clamp 5 for fixing the fixed plate 1 on the fish tank is arranged on the fixed plate 1; a pre-tightening component 6 is arranged on the U-shaped clamp 5, so as to fix the fixed plate 1 on the side wall of the traditional fish tank through the pre-tightening component 6. Further, the height adjustment device of the present application is divided into two groups, which are respectively fixed on both sides of the inner wall of the traditional fish tank, so that the clamping plate 2 can clamp the negative pressure fish tank 9 by adjustment.

[0023] See also Figure 2 The fixed plate 1 of the present application is threadedly connected with a rotating rod 7, and the end of the rotating rod 7 is rotatably connected to the clamping plate 2, so that the rotating rod 7 can adjust the distance between the clamping plate 2 and the fixed plate 1 by rotating. Furthermore, the rotating rod 7 is one or two, and the rotating rod 7 is provided with an external thread, and the rotating rod 7 is threadedly connected to the fixed plate 1 through the external thread; the end of the rotating rod 7 is limitedly rotatably connected to the clamping plate 2, so that the clamping plate 2 can be driven to move horizontally during the movement of the rotating rod 7.

[0024] See also Figure 2 The present application further includes a limit rod 8, one end of which is fixedly disposed on the clamping plate 2, and the other end of which is slidably disposed on the fixed plate 1, so that the clamping plate 2 can be limited by the limit rod 8 and the clamping plate 2 can also be supported. When there is only one rotating rod 7, the limit rod 8 is slidably disposed on the other side of the fixed plate 1; when there are two rotating rods 7, the limit rod 8 is slidably disposed in the middle of the fixed plate 1.

[0025] See also Figure 2The support part 4 of the present application is a rectangular block structure, and a clamping groove 41 for clamping the lower end opening of the negative pressure fish tank 9 is provided on the support part 4, so that the outer wall of the negative pressure fish tank 9 is clamped through the clamping groove 41, so that the support part 4 is not driven to rotate synchronously during the rotation of the adjustment rod 3. The clamping part of the clamping plate 2 is an arc structure or a plane structure, and an elastic clip is provided on the clamping part of the clamping plate 2. The elastic clip is in sliding contact or elastic sliding contact with the inner wall of the negative pressure fish tank 9, so that the negative pressure fish tank 9 can slide vertically on the clamping plate 2.

[0026] As another embodiment of the present application, Figure 3 and Figure 5 As shown, the adjusting rod 3 of the present application includes a rotating screw 31 and an adjusting screw tube 32, the rotating screw 31 is rotatably arranged on the splint 2, the adjusting screw tube 32 is threadedly connected to the rotating screw 31, and the support part 4 is fixedly arranged on the adjusting screw tube 32; by rotating the rotating screw 31, the adjusting screw tube 32 threadedly connected to the rotating screw 31 is made to perform a lifting movement on the rotating screw 31 under the limitation of the support part 4 and the negative pressure fish tank 9, thereby driving the negative pressure fish tank 9 to lift and lower in the traditional fish tank through the support part 4 to adjust the height.

[0027] As another embodiment of the present application, Figure 6 As shown, the adjusting rod 3 of the present application is an adjusting screw 33, which is rotatably arranged on the splint 2, and the supporting part 4 is threadedly connected to the adjusting screw 33. By rotating the adjusting screw 33, the supporting part 4 threadedly connected to the adjusting screw 33 can drive the negative pressure fish tank 9 to perform a lifting movement in the traditional fish tank to adjust the height under the inner wall limit of the negative pressure fish tank 9.

[0028] As another embodiment of the present application, Figure 2 As shown, the pre-tightening component 6 of the present application is a bolt, which is threadedly connected to one side of the U-shaped clamp 5, and the end of the bolt is rotatably provided with an elastic pressing piece 61, so that the elastic pressing piece 61 is driven to abut against the outer wall of the traditional fish tank by rotating the bolt to fix the fixing plate 1 to the two side walls of the traditional fish tank. A manual knob is provided at the end of the bolt.

[0029] As another embodiment of the present application, Figure 4 As shown, the U-shaped clamp 5 of the present application includes a positioning plate 51 fixed to the end of the fixing plate 1 and a sliding plate 52 slidably arranged on the fixing plate 1, and the pre-tightening component 6 is a bolt, which is rotatably arranged on the positioning plate 51, and the other end of the bolt is threadedly connected with the sliding plate 52, so that the sliding plate 52 is driven to clamp the inner wall of the traditional fish tank by rotating the bolt, so as to fix the fixing plate 1 to the two side walls of the traditional fish tank. A manual knob is arranged at the end of the bolt.

[0030] The working principle of the present application is as follows: when in use, the fixing plate 1 is fixed to the traditional fish tank by the U-shaped clip 5, and the rotating rod 7 is rotated to adjust the distance between the clamping plate 2 and the fixing plate 1 so that it can slide and abut against the outer wall of the negative pressure fish tank 9; the lower end of the negative pressure fish tank 9 is placed in the slot 41 of the support part 4, and the adjusting rod 3 is rotated so that the support part 4 can be lifted and lowered along the axial direction of the adjusting rod 3, so as to drive the negative pressure fish tank 9 to be lifted and lowered in the traditional fish tank, so as to adjust the height of the negative pressure fish tank 9 in the traditional fish tank.

[0031] The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the present invention by using the above technical content without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention belong to the protection scope of the present technical solution.

Claims

1. A height adjustment device for a negative pressure fish tank, characterized in that , comprising a fixing plate (1) and a clamping plate (2) adjustable and arranged on the fixing plate (1); an adjusting rod (3) is rotatably arranged on the clamping plate (2); a supporting portion (4) for supporting a negative pressure fish tank (9) is arranged on the adjusting rod (3); the supporting portion (4) clamped on the negative pressure fish tank (9) is lifted and lowered by rotating the adjusting rod (3); a U-shaped clamp (5) for fixing the fixing plate (1) on the fish tank is arranged on the fixing plate (1); and a pre-tightening component (6) is arranged on the U-shaped clamp (5).

2. The height adjustment device for a negative pressure fish tank according to claim 1, characterized in that: The adjusting rod (3) comprises a rotating screw (31) and an adjusting screw tube (32); the rotating screw (31) is rotatably arranged on the clamping plate (2); the adjusting screw tube (32) is threadedly connected to the rotating screw (31); and the supporting portion (4) is fixedly arranged on the adjusting screw tube (32).

3. The height adjustment device for a negative pressure fish tank according to claim 2, characterized in that: The adjusting rod (3) is an adjusting screw (33), the adjusting screw (33) is rotatably arranged on the clamping plate (2), and the supporting portion (4) is threadedly connected to the adjusting screw (33).

4. The height adjustment device for a negative pressure fish tank according to claim 2 or 3, characterized in that: The support portion (4) is a rectangular block structure, and a clamping groove (41) for clamping the lower opening of the negative pressure fish tank (9) is provided on the support portion (4).

5. The height adjustment device for a negative pressure fish tank according to claim 1, characterized in that: The pre-tightening component (6) is a bolt, which is threadedly connected to one side of the U-shaped clamp (5), and an elastic pressing piece (61) is rotatably provided at the end of the bolt.

6. The height adjustment device for a negative pressure fish tank according to claim 1, characterized in that: The U-shaped clamp (5) comprises a positioning plate (51) fixed to the end of the fixed plate (1) and a sliding plate (52) slidably arranged on the fixed plate (1); the pre-tightening component (6) is a bolt, which is rotatably arranged on the positioning plate (51), and the other end of the bolt is threadedly connected to the sliding plate (52).

7. The height adjustment device for a negative pressure fish tank according to claim 1, characterized in that: A rotating rod (7) is threadedly connected to the fixed plate (1), and the end of the rotating rod (7) is rotatably connected to the clamping plate (2), so that the rotating rod (7) can adjust the distance between the clamping plate (2) and the fixed plate (1) by rotating.

8. The height adjustment device for a negative pressure fish tank according to claim 1, characterized in that: It also comprises a limiting rod (8), one end of which is fixedly arranged on the clamping plate (2), and the other end of which is slidably arranged on the fixing plate (1).

9. The height adjustment device for a negative pressure fish tank according to claim 1, characterized in that: The clamping portion of the clamping plate (2) is an arc-shaped structure or a plane structure, and an elastic clamping piece is arranged on the clamping portion of the clamping plate (2).

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