Capillary tube multi-angle bending device

Abstract

The utility model discloses a capillary tube multi-angle bending device, which belongs to the technical field of bending devices and comprises a semicircular base, a rectangular base plate is arranged at the top of the semicircular base, a rectangular groove is formed in the top of the rectangular base plate, a capillary tube is placed in the rectangular groove, and a trapezoidal sliding block is slidably arranged in the rectangular groove. A protractor is fixedly arranged at the top of the semicircular base and arranged below the rectangular base plate, a push plate used for pushing the capillary tube to be bent is arranged on one side of the rectangular base plate, a positioning plate is arranged behind the push plate, and the positioning plate and the push plate are both rotationally connected with the semicircular base. The bending position of the capillary tube is determined through cooperation of the positioning plate and the protractor, the capillary tube is pushed by the push plate to be bent, the capillary tube is bent in place after making contact with the positioning plate, the capillary tube is suitable for bending of the capillary tube at different angles after a worker pulls out the plug pin and adjusts the position of the positioning plate, the structure is simple, and operation is convenient. And the operation is very convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of capillary tube multi-angle bending device, and belong to capillary tube multi-angle bending device. BACKGROUND

[0002] Capillary tube usually refers to the inner diameter equal to or less than 1 millimeter thin tube, because tube diameter is thin as hair and is called capillary tube. It has significant throttling effect, fluid is throttled by greater resistance when passing through; simple structure, no complex mechanical parts, high reliability and stability; low manufacturing cost; can be applied to various refrigerants and refrigeration conditions, strong adaptability. Capillary tube widely exists in science and technology field, its unique scale effect (such as surface tension dominant fluid behavior) makes it have important application in multiple disciplines. Existing capillary tube is classified by shape: straight capillary tube, with constant inner diameter, suitable for simple refrigeration system with stable refrigerant flow; coil capillary tube, in spiral shape, used in limited space refrigeration system; multi-port capillary tube, with multiple ports along the length, suitable for systems with multiple evaporators or compressors. Classified by use: there are refrigeration capillary tube, medical capillary tube, electronic equipment capillary tube, aerospace capillary tube, etc.

[0003] In actual use, capillary tube can be bent into a specific shape due to limited installation space, which can better fit the space structure inside the equipment, reasonably utilize limited space and realize compact layout for different installation requirements. For capillary tube with small diameter and short length, bending is still realized by manual work at present. In order to control the bending amount and bending angle, a bending device is arranged to assist bending. For example, the utility model with publication number CN219817604U discloses a kind of capillary tube multi-angle fixed-length bending device. A certain length of capillary tube is inserted into guide cylinder, then the extension distance of capillary tube is adjusted by adjusting the position of fixed-length screw in guide cylinder, then the extension part of capillary tube is bent along the direction of bending inclined plane or first plane by artificial or bending equipment, so that fixed-length bending of capillary tube is realized. By setting different angles between bending inclined plane and first plane, different angle bending of capillary tube is realized, which is simple and convenient.

[0004] However, the above-mentioned prior art still has the following problems in use: in actual operation, the extension distance of capillary tube is adjusted by fixed-length screw, and the operator needs to spend a lot of time to twist the fixed-length screw. Each adjustment needs to be rotated carefully, the process is tedious and time-consuming, which greatly reduces the overall work efficiency. At the same time, the bending angle of guide cylinder cannot be adjusted, and only a new guide cylinder can be used for bending, so the use flexibility is low. Based on this, the utility model provides a kind of capillary tube multi-angle bending device with high use flexibility. UTILITY MODEL CONTENTS

[0005] Therefore, the capillary multi-angle bending device is provided to solve the problems of long time required, low efficiency and low flexibility of the bending angle of the guide cylinder in the prior art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme:

[0007] A capillary multi-angle bending device, comprising a semicircular base, the top of the semicircular base is provided with a rectangular pad, the top of the rectangular pad is provided with a rectangular groove, the capillary is placed in the rectangular groove, a trapezoidal slide is slidably arranged in the rectangular groove, the trapezoidal slide abuts against one end of the capillary, an angle gauge is fixedly arranged on the top of the semicircular base, and the angle gauge is arranged below the rectangular pad, a push plate for pushing the capillary to bend is arranged on one side of the rectangular pad, a positioning plate is arranged behind the push plate, and the positioning plate and the push plate are rotatably connected with the semicircular base, so that the angle of the positioning plate and the push plate can be adjusted by the staff.

[0008] Further, a mounting block is fixedly arranged at the bottom of the rectangular pad, a mounting groove matched with the mounting block is formed in the top of the semicircular base, the mounting block is inserted into the mounting groove, and the mounting block is fixed with the semicircular base by bolts, so that the stability of the rectangular pad can be improved.

[0009] Further, a cover plate is hingedly arranged on one side of the trapezoidal slide close to the push plate, and the cover plate is arranged in the rectangular groove and abuts against the top of the capillary, so that the stability of the capillary in the rectangular groove can be improved by cooperation of the cover plate and the rectangular pad.

[0010] Further, a scale is fixedly arranged at the front end of the rectangular pad, and a positioning pointer matched with the scale is fixedly arranged at the front end of the trapezoidal slide, so that the staff can quickly and accurately adjust the position of the trapezoidal slide by means of the scale data pointed by the positioning pointer when adjusting the trapezoidal slide, and the adjustment is more convenient.

[0011] Further, a fastening bolt is threadedly connected to the top of the trapezoidal slide, and the bottom end of the fastening bolt is in contact with the top of the rectangular pad, so that the staff can adjust the position of the trapezoidal slide by pushing it left and right when the fastening bolt is loosened, and the fastening bolt is tightened after the adjustment to make the bottom end of the fastening bolt abut against the top of the rectangular pad.

[0012] Further, a bolt is arranged through the top of the positioning plate, and a plurality of insertion holes arranged in a ring array are formed in the top of the semicircular base, the bolt is inserted into one of the insertion holes, and the positioning plate is fixed by means of the bolt, so that the adjustment is very flexible.

[0013] Further, the semicircular base top is provided with an embedding groove matched with the protractor, the embedding groove is arranged behind the mounting groove, and the protractor is arranged in the embedding groove.

[0014] Further, the positioning plate top and the push plate top are both fixedly provided with a handle, so as to facilitate workers to quickly adjust the angle of the positioning plate and the push plate.

[0015] The utility model has the advantages of the following:

[0016] 1. The utility model discloses a positioning plate and a protractor are matched to determine the bending position of a capillary tube, and then a push plate is used to push the capillary tube to bend, when the capillary tube contacts the positioning plate, it means that the bending is in place, and then the worker pulls out the bolt, adjusts the position of the positioning plate, and then the capillary tube is bent at different angles, which is simple in structure and convenient to operate.

[0017] 2. The scale and the positioning pointer are matched to facilitate workers to quickly and accurately adjust the position of the trapezoidal slide block, the length of the capillary tube in the rectangular groove can be measured, the capillary tube is bent at different positions, and the fastening bolt is used for fixing, so as to facilitate workers to quickly adjust the position of the trapezoidal slide block. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other embodiments can be obtained from the provided drawings without creative labor.

[0019] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions of the utility model that can be implemented, so they do not have technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0020] Figure 1 The overall structure schematic view provided by the utility model is shown in the figure;

[0021] Figure 2 The overall structure rear view provided by the utility model is shown in the figure;

[0022] Figure 3 The overall structure bottom view provided by the utility model is shown in the figure;

[0023] Figure 4 The utility model provides a plugging door schematic view;

[0024] Figure 5 The utility model provides hollow pipe cross section view.

[0025] In the drawing: 1, semicircle base; 2, rectangular pad; 3, rectangular recess; 4, trapezoidal sliding block; 5, protractor; 6, push plate; 7, positioning plate; 8, mounting block; 9, mounting groove; 10, cover plate; 11, scale; 12, positioning pointer; 13, fastening bolt; 14, bolt; 15, insertion hole; 16, embedding groove; 17, handle. DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the embodiments of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification. Obviously, the described embodiments are part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] Referring to the drawings of the specification Figures 1-5 The utility model provides a kind of capillary multi-angle bending device, including semicircle base 1, rectangular pad 2 is equipped in the top of semicircle base 1, rectangular pad 2 top is equipped with rectangular recess 3, capillary is placed in rectangular recess 3, rectangular pad 2 bottom is fixedly provided with mounting block 8, semicircle base 1 top is equipped with the mounting groove 9 compatible with mounting block 8, mounting block 8 is inserted in mounting groove 9 and is fixed with semicircle base 1 by bolt, the stability of rectangular pad 2 can be improved.

[0028] Trapezoidal sliding block 4 is hinged with cover plate 10 near one side of push plate 6, cover plate 10 is arranged inside rectangular recess 3 and is in abutment with the top of capillary, using cover plate 10 and rectangular pad 2 cooperation, the stability of capillary in rectangular recess 3 can be improved, trapezoidal sliding block 4 is slidably arranged in rectangular recess 3, trapezoidal sliding block 4 is in abutment with one end of capillary, semicircle base 1 top is fixedly provided with protractor 5, and protractor 5 is arranged below rectangular pad 2, and, semicircle base 1 top is equipped with the embedding groove 16 compatible with protractor 5, embedding groove 16 is arranged behind mounting groove 9, and protractor 5 is arranged in embedding groove 16 and can be kept stable.

[0029] Rectangular pad 2 side is equipped with push plate 6 for pushing capillary to bend, positioning plate 7 is equipped behind push plate 6, and positioning plate 7 and push plate 6 are all rotationally connected with semicircle base 1, to facilitate staff to adjust the angle of positioning plate 7 and push plate 6 flexibly.

[0030] The positioning plate 7 is provided with a bolt 14 penetrating through the top thereof, and the half-round base 1 is provided with a plurality of insertion holes 15 arranged in a ring shape at the top thereof, the bolt 14 is inserted into one of the insertion holes 15, and the positioning plate 7 is fixed by the bolt 14, which is flexible in adjustment, and the top of the positioning plate 7 and the top of the push plate 6 are both provided with a handle 17, and the handle 17 is arranged at the side of the bolt 14, so that the worker can quickly adjust the angle of the positioning plate 7 and the push plate 6 by holding the handle 17, and the device is very time-saving and labor-saving in use.

[0031] In actual use, the worker first places the capillary tube in the rectangular groove 3, and then adjusts the position of the trapezoidal sliding block 4 according to the specific position of the capillary tube to be bent, and then abuts the left end of the capillary tube against the right side of the trapezoidal sliding block 4, and then the worker rotates the positioning plate 7 to accurately adjust the position of the positioning plate 7 by the protractor 5, so as to determine the bending angle of the capillary tube, and then the worker rotates the push plate 6 by holding the handle 17 on the push plate 6, so as to drive the capillary tube to start bending until the capillary tube is completely attached to the outer wall of the positioning plate 7, and finally the worker takes out the bent capillary tube from the rectangular groove 3 and the push plate 6, and then puts a new capillary tube into the device, and repeats the above operation to continue the bending work, and when the bending angle of the capillary tube needs to be adjusted, the worker only needs to pull out the bolt 14 to conveniently adjust the angle of the positioning plate 7. The whole device has simple structure and simple and easy operation process, and greatly improves the bending efficiency.

[0032] Referring to the drawings Figures 1-5 The rectangular base plate 2 is provided with a scale 11 at the front end thereof, the trapezoidal sliding block 4 is provided with a positioning pointer 12 at the front end thereof, the trapezoidal sliding block 4 is threadedly connected with a fastening bolt 13 at the top thereof, and the bottom end of the fastening bolt 13 is in contact with the top of the rectangular base plate 2.

[0033] By arranging the scale 11 on the rectangular base plate 2, the worker can accurately adjust the position of the trapezoidal sliding block 4 by the scale 11 and the positioning pointer 12 when moving the trapezoidal sliding block 4, so as to measure the length of the capillary tube in the rectangular groove 3, so as to meet the needs of bending the capillary tube at different positions, and the fastening bolt 13 is used for fixing the trapezoidal sliding block 4, so as to facilitate the worker to quickly adjust the position of the trapezoidal sliding block 4.

[0034] Although the utility model has been described in detail above by general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A capillary multi-angle bending device comprising a semicircular base (1), characterized in that: The top of the semicircular base (1) is provided with a rectangular pad (2), the top of the rectangular pad (2) is provided with a rectangular groove (3), the capillary tube is placed in the rectangular groove (3), and the trapezoidal slide (4) is slidably arranged in the rectangular groove (3); one end of the trapezoidal slide (4) abuts against the capillary tube. The top of the semicircular base (1) is fixedly provided with a protractor (5), and the protractor (5) is arranged below the rectangular pad (2); one side of the rectangular pad (2) is provided with a push plate (6) for pushing the capillary tube to bend; the rear of the push plate (6) is provided with a positioning plate (7), and the positioning plate (7) and the push plate (6) are rotatably connected with the semicircular base (1).

2. The multi-angle capillary bending device of claim 1, wherein: The bottom of the rectangular pad (2) is fixedly provided with a mounting block (8), the top of the semicircular base (1) is provided with a mounting groove (9) matched with the mounting block (8), and the mounting block (8) is inserted into the mounting groove (9).

3. The multi-angle capillary bending device of claim 1, wherein: The trapezoidal slide (4) is hingedly connected with a cover plate (10) on the side close to the push plate (6), and the cover plate (10) is arranged in the rectangular groove (3) and abuts against the top of the capillary tube.

4. The multi-angle capillary bending device of claim 1, wherein: The front end of the rectangular pad (2) is fixedly provided with a scale (11), and the front end of the trapezoidal slide (4) is fixedly provided with a positioning pointer (12) matched with the scale (11).

5. The multi-angle capillary bending device of claim 1, wherein: The top of the trapezoidal slide (4) is threadedly connected with a fastening bolt (13), and the bottom end of the fastening bolt (13) is in contact with the top of the rectangular pad (2).

6. The multi-angle capillary bending device of claim 1, wherein: The top of the positioning plate (7) is penetrated through with a bolt (14), the top of the semicircular base (1) is provided with a plurality of insertion holes (15) arranged in an annular array, and the bolt (14) is inserted into one of the insertion holes (15).

7. The multi-angle capillary bending device of claim 2, wherein: The top of the semicircular base (1) is provided with an embedding groove (16) matched with the protractor (5), the embedding groove (16) is arranged behind the mounting groove (9), and the protractor (5) is arranged in the embedding groove (16).

8. The multi-angle capillary bending device of claim 6, wherein: The top of the positioning plate (7) and the top of the push plate (6) are fixedly provided with handles (17), and the handles (17) are arranged on one side of the bolt (14).

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