CN111660216A - Clamp for clamping filter screen - Google Patents

Abstract

The invention discloses a clamp for clamping a filter screen, which comprises a first clamping plate, a second clamping plate, a first pressing plate and a second pressing plate, wherein the first clamping plate is arranged on the first clamping plate; the inner side wall of the first clamping plate is fixedly connected with a first connecting rod and a second connecting rod; the first connecting rod and the second connecting rod respectively pass through the third through hole and the fourth through hole; springs are sleeved outside the first connecting rod and the second connecting rod respectively; the inner side wall of the second clamping plate is fixedly connected with a third connecting rod and a fourth connecting rod; the third connecting rod and the fourth connecting rod respectively pass through the first through hole and the second through hole; springs are sleeved outside the third connecting rod and the fourth connecting rod respectively; the first connecting rod and the second connecting rod extend into the second pressure plate respectively; the third connecting rod and the fourth connecting rod extend into the first pressure plate respectively; the middle of the first clamping plate is provided with a guide hole, and the inner side wall of the second clamping plate is fixedly connected with a guide block. The invention is convenient for clamping the filter screen to be measured so as to observe the condition of the truncation surface under the scanner, and has convenient use and simple operation.

Description

A clamp for holding the filter screen

technical field

The invention relates to the field of filter screen measuring equipment, in particular to a clamp for holding a filter screen.

Background technique

There is usually a reverse osmosis membrane in the water purifier. The reverse osmosis membrane needs to use a filter screen. The filter screen used for the reverse osmosis membrane is a concentrated water network. The condition of the truncated surface.

Usually, a blade is used to cut off a certain area of the filter screen on the finished product, and then put it under the scanner for observation. However, because there is no clamping tool, the filter is usually held by hand, and its section is placed under the scanner for observation. This operation method is very inconvenient, and it is not easy to detect and observe the section of the filter. Therefore, it is necessary to provide a filter. The device is convenient for clamping the filter screen, so as to solve the technical problems existing in the prior art.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a clamp for holding the filter screen, which is convenient to use, simple to operate, and convenient for holding the filter screen.

In order to solve the above technical problems, the technical solution of the present invention is as follows: a clamp for clamping a filter screen, comprising a first clamping plate, a second clamping plate, a first pressing plate and a second pressing plate; the first clamping plate is symmetrically provided with a first through hole and a second through hole; a third through hole and a fourth through hole are symmetrically arranged on the second clamping plate; a first connecting rod and a second connecting rod are fixedly connected to the inner side wall of the first clamping plate; the first connecting rod The rod and the second connecting rod pass through the third through hole and the fourth through hole respectively; the outer parts of the first connecting rod and the second connecting rod are respectively sheathed with springs; the inner side wall of the second splint is fixedly connected with a third connecting rod. a rod and a fourth connecting rod; the third connecting rod and the fourth connecting rod pass through the first through holes and the second through holes respectively; the outer parts of the third connecting rod and the fourth connecting rod are respectively sheathed with springs; The inside of the first pressing plate and the second pressing plate are both hollow structures; the inner side wall of the first pressing plate is symmetrically provided with a first through hole and a second through hole; the inner side wall of the second pressing plate is symmetrically provided with a third through hole and a fourth through hole; the first connecting rod and the second connecting rod pass through the third through hole and the fourth through hole respectively, and extend into the second pressing plate; the first connecting rod and the first connecting rod The ends of the two connecting rods are respectively connected with nuts; the third connecting rod and the fourth connecting rod pass through the first through hole and the second through hole respectively and extend into the first pressing plate, and the third connecting rod The ends of the connecting rod and the fourth connecting rod are respectively connected with nuts; a guide hole is arranged in the middle of the first clamp plate, and a guide block corresponding to the guide hole is fixedly connected to the inner side wall of the second clamp plate.

Preferably, the first clamping plate and the second clamping plate are both stepped.

Preferably, the guide hole is trapezoidal.

Preferably, the cross section of the guide block is trapezoidal.

Preferably, blocking pieces are respectively provided between the spring and the inner side walls of the first pressing plate and the second pressing plate.

Preferably, external threads are provided on the outside of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod.

Compared with the prior art, the beneficial effects of the present invention are: the first connecting rod and the second connecting rod are arranged between the first clamping plate and the second pressing plate; A spring is respectively sheathed on the outside; and a third connecting rod and a fourth connecting rod are arranged between the second clamping plate and the first pressing plate, and a spring is respectively sheathed on the outside of the third connecting rod and the fourth connecting rod; the first connecting rod , The ends of the second connecting rod, the third connecting rod and the fourth connecting rod are respectively connected with nuts; when installing, the second pressure plate is compressed inward by the spring, and then fixed with the nut. Similarly, the first pressure plate is also compressed in the opposite direction. The spring is then fixed with a nut, and finally, the first and second plywood are respectively subjected to the elastic force of the spring on both sides, and the direction of the elastic force is opposite. Due to the opposite force, the first plywood and the second plywood can be clamped; A guide hole is arranged in the middle of a splint, and a guide block corresponding to the guide hole is fixedly connected to the inner side wall of the second splint, so that the first splint and the second splint can be kept in the same horizontal position and will not be out of place; when in use, By compressing the first platen and the second platen toward each other, due to the effect of the elastic force, the first platen and the second platen can be separated by a certain gap, and the filter screen to be tested after cutting is placed in the gap between the first platen and the second platen Inside, the first pressure plate and the second pressure plate are reset, the filter screen can be clamped between the first pressure plate and the second pressure plate, and the filter can be placed under the scanner for observation, and the operation is very simple.

Description of drawings

Fig. 1 is the top view of the clamp used for clamping the filter screen of the present invention;

FIG. 2 is a schematic structural diagram of a clamp used for holding a filter screen according to the present invention.

Detailed ways

The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help the understanding of the present invention, but do not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in Figures 1 and 2, the present invention is a clamp for holding a filter screen, which is used for holding a filter screen, and of course, can also be used for holding other sheet-like objects, which includes a first clamping plate 1, a second clamping plate The clamping plate 2, the first clamping plate 3 and the second clamping plate 4; the first clamping plate 1 is symmetrically provided with a first perforation 11 and a second perforation 12; the second clamping plate 2 is symmetrically provided with a third perforation 21 and a fourth perforation 22; A first connecting rod 5 and a second connecting rod 6 are fixedly connected to the inner side wall of a splint 1; the first connecting rod 5 and the second connecting rod 6 pass through the third through hole 21 and the fourth through hole 22 respectively; the first connecting rod 5 and The outside of the second connecting rod 6 is respectively sheathed with springs; the inner side wall of the second clamping plate 2 is fixedly connected with the third connecting rod 7 and the fourth connecting rod 8; the third connecting rod 7 and the fourth connecting rod 8 pass through the first through holes respectively 11 and the second perforation 12; the outside of the third connecting rod 7 and the fourth connecting rod 8 are respectively sheathed with springs; the inside of the first pressing plate 3 and the second pressing plate 4 are hollow structures; the inner wall of the first pressing plate 3 is symmetrically provided with The first through hole 31 and the second through hole 32; the inner side wall of the second pressing plate 4 is symmetrically provided with a third through hole 41 and a fourth through hole 42; the first connecting rod 5 and the second connecting rod 6 respectively pass through the third through hole 41 and the fourth through hole 42 The through hole 41 and the fourth through hole 42 extend into the second pressure plate 4; the ends of the first connecting rod 5 and the second connecting rod 6 are respectively connected with nuts; the third connecting rod 7 and the fourth connecting rod 8 pass through respectively Through the first through hole 31 and the second through hole 32 and extending into the first pressing plate 3, the ends of the third connecting rod 7 and the fourth connecting rod 8 are respectively connected with nuts; the middle of the first clamping plate 1 is provided with a guide hole 9 , the inner side wall of the second clamping plate 2 is fixedly connected with a guide block 10 corresponding to the guide hole 9 , the guide hole 9 is trapezoid, and the cross section of the guide block 10 is trapezoid.

In order to facilitate the placement of the fixed first splint 1 and the second splint 2, both the first splint 1 and the second splint 2 are stepped. When the first splint 1 and the second splint 2 are combined, the first splint 1 and the second splint 2 form a "convex" shape structure, which is convenient for the first splint 1 and the second splint 2 to be placed.

In order to facilitate the clamping of the spring, blocking pieces 13 are respectively provided between the spring and the inner side walls of the first pressing plate 3 and the second pressing plate 4 . External threads are provided on the outside of the first connecting rod 5 , the second connecting rod 6 , the third connecting rod 7 and the fourth connecting rod 8 .

The specific application of the present invention is as follows: when installing, the first clamping plate 1, the second clamping plate 2, the first pressing plate 3 and the second pressing plate 4 are assembled according to the method of FIG. 1, the second pressing plate 4 is compressed inward by the spring, and then Fix the ends of the first connecting rod 5 and the second connecting rod 6 with nuts, and finally close the outer side wall of the second pressure plate 4, so that the ends of the first connecting rod 5 and the second connecting rod 6 are fixed in the second pressure plate 4 by nuts ; In the same way, the first pressure plate 3 is compressed inward by the spring, and then the ends of the third connecting rod 7 and the fourth connecting rod 8 are fixed with nuts, and finally the outer side wall of the first pressure plate 3 is closed, so that the third connecting rod 7 and the fourth connecting rod 8 are closed. The end of the fourth connecting rod 8 is fixed in the first pressing plate 3 by the nut; because the two sides of the first clamping plate 1 and the second clamping plate 2 are respectively subjected to the elastic force of the spring, and the elastic force direction is opposite, due to the opposite force, the first clamping plate 1 and the second clamp plate 2 can be clamped; and a guide hole 9 is provided in the middle of the first clamp plate 1, and the inner side wall of the second clamp plate 2 is fixedly connected with a guide block 10 corresponding to the guide hole 9, so that the first clamp plate 1 and The second clamp plate 2 can be kept in the same horizontal position and will not be out of position; when in use, by compressing the first clamp plate 1 and the second clamp plate 2 toward each other, the first clamp plate 1 and the second clamp plate 2 can be separated due to the effect of the elastic force Make a certain gap, put the filter screen to be tested after cutting into the gap between the first clamp plate 1 and the second clamp plate 2, reset the first clamp plate 1 and the second clamp plate 2, the first block 1 and the second clamp plate 2 The filter can be clamped in between, and it can be placed under the scanner for observation. The operation is very simple.

Finally, it should be noted that the content not described in detail in the specification belongs to the prior art known to those skilled in the art, and can be realized by those skilled in the art without any creative effort, so it will not be repeated here.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present invention, various changes, modifications, substitutions and alterations to these embodiments still fall within the protection scope of the present invention.

Claims (6)

1. A clamp for clamping a filter screen, characterized in that it comprises a first clamping plate (1), a second clamping plate (2), a first pressing plate (3) and a second pressing plate (4); the first clamping plate (3) and the second clamping plate (4); The splint (1) is symmetrically provided with a first through hole (11) and a second through hole (12); the second splint (2) is symmetrically provided with a third through hole (21) and a fourth through hole (22); the A first connecting rod (5) and a second connecting rod (6) are fixedly connected to the inner side wall of the first clamping plate (1); the first connecting rod (5) and the second connecting rod (6) pass through the first connecting rod (5) and the second connecting rod (6) respectively. Three through holes (21) and a fourth through hole (22); the outer parts of the first connecting rod (5) and the second connecting rod (6) are respectively sheathed with springs; the inner wall of the second clamping plate (2) is fixedly connected with a spring. The third link (7) and the fourth link (8); the third link (7) and the fourth link (8) respectively pass through the first through hole (11) and the second through hole (12) ); the outer parts of the third connecting rod (7) and the fourth connecting rod (8) are respectively sheathed with springs; the inside of the first pressure plate (3) and the second pressure plate (4) are hollow structures; A first through hole (31) and a second through hole (32) are symmetrically arranged on the inner side wall of a pressing plate (3); Four through holes (42); the first connecting rod (5) and the second connecting rod (6) pass through the third through hole (41) and the fourth through hole (42) respectively, and extend to the Inside the second pressing plate (4); the ends of the first connecting rod (5) and the second connecting rod (6) are respectively connected with nuts; the third connecting rod (7) and the fourth connecting rod (8) are respectively Passing through the first through hole (31) and the second through hole (32) and extending into the first pressing plate (3), the third connecting rod (7) and the fourth connecting rod (8) A nut is connected to the ends of the first clamp plate (1) respectively; a guide hole (9) is provided in the middle of the first clamp plate (1), and a guide block corresponding to the guide hole (9) is fixedly connected to the inner side wall of the second clamp plate (2). (10). 2 . The clamp for clamping the filter screen according to claim 1 , wherein the first clamping plate ( 1 ) and the second clamping plate ( 2 ) are both stepped. 3 . 3. The clamp for holding a filter screen according to claim 1, wherein the guide hole (9) is trapezoidal. 4. The clamp for holding the filter screen according to claim 1, characterized in that, the cross section of the guide block (10) is trapezoidal. 5. The clamp for clamping the filter screen according to claim 1, characterized in that a blocking plate (13) is respectively provided between the spring and the inner walls of the first pressure plate (3) and the second pressure plate (4). ). 6. The clamp for holding the filter screen according to claim 1, wherein the first link (5), the second link (6), the third link (7) and the fourth link External threads are provided on the outside of the rod (8).

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