Circulating pump bushing

Abstract

The utility model discloses a circulating pump wire protecting sleeve which comprises a wire protecting box, five threading sleeves are connected to the top of the wire protecting box in a penetrating mode, five wire inlet holes are formed in the bottom of the wire protecting box, four partition plates are fixedly connected in the wire protecting box, a protecting cover is arranged on one side of the wire protecting box, and a fastening mechanism is arranged in the wire protecting box. The fastening mechanism comprises two fixing boxes fixedly connected in the wire protection box, one side of the protection cover is fixedly connected with four mounting plates, and one sides of the four mounting plates respectively extend into the corresponding fixing boxes in a sliding manner. According to the circulating pump wire protection sleeve, the protection cover and the wire protection box can be connected together in a fastened mode through the arranged fastening mechanism, the connection strength is improved, and therefore deformation of the wire protection sleeve after extrusion is avoided, the protection capacity of a circulating pump cable can be enhanced, and the protection effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of cable protection, in particular to a circulating pump wire protection sleeve. Background Art

[0002] A circulating pump is a pump used to transport circulating liquid in a device for reaction, absorption, separation, and regeneration of absorption liquid. It has a low head and is only used to overcome the pressure drop of the circulation system. A low head pump can be used. The working principle of a circulating pump The pump used to circulate water is called a circulating pump. For example, the hot water in the water heating pipe is circulated by a circulating pump. In order to protect the cables on the circulating pump, a cable sheath is usually used.

[0003] Publication No. CN204205477U discloses a circulation pump and a wire protection sleeve thereof, wherein the wire protection sleeve comprises a first sleeve body and a second sleeve body which are assembled in a snap-fit ​​manner, wherein the first sleeve body and the second sleeve body are respectively provided with a plurality of first wire grooves and a plurality of second wire grooves which cooperate with the first wire grooves to form wire guide holes; at least one of the first wire grooves and the second wire grooves is provided with a radially extending convex portion. The structure of the wire protection sleeve can prevent the lead wire from being damaged and the injection material from leaking during injection molding, thereby improving product quality.

[0004] However, the wire protection sleeve has the following shortcomings: when the device is in use, the first sleeve and the second sleeve are closed to protect the lead of the circulating pump. However, since it is only connected by a buckle, the connection strength is limited. When it is squeezed, the buckle is easily deformed, resulting in the separation of the first sleeve and the second sleeve. The protection effect is limited.

[0005] Therefore, the utility model provides a circulating pump wire protection sleeve to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a circulating pump wire protection sleeve to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a circulating pump wire protection cover, including a wire protection box, the top of the wire protection box is connected with five threading sleeves, the bottom of the wire protection box is provided with five wire inlet holes, four partitions are fixedly connected in the wire protection box, a protective cover is provided on one side of the wire protection box, and a fastening mechanism is provided in the wire protection box;

[0008] The fastening mechanism includes two fixed boxes fixedly connected to the wire protection box, four mounting plates are fixedly connected to one side of the protective cover, one side of the four mounting plates respectively slides and extends into the corresponding fixed boxes, two fastening holes are provided on the mounting plates, four telescopic sleeves are arranged in the fixed box, one end of the telescopic sleeves is fixedly connected to an insertion rod, and one end of the insertion rod slides through the corresponding fastening hole.

[0009] Preferably, a support plate is fixedly connected to the fixed box, and two bidirectional threaded rods are rotatably connected and penetrated on the support plate. Both ends of the two bidirectional threaded rods are respectively threadedly extended into the corresponding telescopic sleeves. By using the support plate and the bidirectional threaded rods in combination, the telescopic sleeve can be conveniently controlled to move, thereby conveniently fixing the mounting plate.

[0010] Preferably, a synchronous wheel is fixedly sleeved on the bidirectional threaded rod, a same synchronous belt is wound between every two adjacent synchronous wheels, and a driven bevel gear is fixedly sleeved on the corresponding two bidirectional threaded rods. A transmission shaft is rotatably penetrated and connected to the outer wall of one side of the fixed box, one end of the transmission shaft is fixedly connected to a driving bevel gear, the driving bevel gear is meshed with the corresponding driven bevel gear, and the end of the transmission shaft away from the driving bevel gear is fixedly connected to a handwheel, and the synchronous wheel, synchronous belt, driven bevel gear, transmission shaft, driving bevel gear and handwheel are used in combination to facilitate the synchronous rotation of the two bidirectional threaded rods, which is convenient for operation.

[0011] Preferably, the outer wall of the telescopic sleeve is fixedly connected to a limit rod, and two sliding rods are fixedly connected to both sides of the support plate. The sliding rods slide through the corresponding limit rods. The telescopic sleeve can be limited by using the limit rod and the sliding rod in combination, so that it can move smoothly.

[0012] Preferably, both side outer walls of the wire protection box are fixedly connected with first protective pads, and the first protective pads are made of rubber material. The first protective pads can disperse and buffer the impact force on both sides of the wire protection box.

[0013] Preferably, a second protective pad is fixedly connected to one side of the protective cover, and the second protective pad is made of rubber material. The second protective pad can disperse and buffer the impact force on the outer side of the protective cover.

[0014] Preferably, a third protective pad is fixedly connected to one side of the protective cover away from the second protective pad, one side of the third protective pad extends into the wire protection box, and the third protective pad is made of rubber material. The third protective pad can protect the cables in the wire protection box.

[0015] Preferably, the threading sleeve is fixedly connected with a first wear-resistant sleeve, and the first wear-resistant sleeve is made of wear-resistant plastic material; the wire inlet hole is fixedly connected with a second wear-resistant sleeve, and the second wear-resistant sleeve is made of wear-resistant plastic material. The first wear-resistant sleeve and the second wear-resistant sleeve are used in combination to prevent the surface of the cable from being easily damaged due to frequent friction between the cable and the threading sleeve or the wire inlet hole, thereby improving its service life.

[0016] Beneficial Effects

[0017] The utility model provides a circulating pump wire protection sleeve. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The circulating pump cable protection sleeve can fasten the protective cover and the cable protection box together through the fastening mechanism, thereby improving the connection strength and preventing the cable from being deformed after being squeezed, thereby enhancing the protection capability of the circulating pump cable and achieving a better protection effect.

[0019] (2) The circulating pump wire protection sleeve can disperse and buffer the impact force when the entire wire protection sleeve is subjected to impact force by using the first protection pads arranged on both sides of the wire protection box and the second and third protection pads inside and outside the protection cover, thereby improving the protection effect of the internal cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the internal structure of the wire protection box in the utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of the fixed box in the utility model;

[0023] Figure 4 It is a side cross-sectional structural schematic diagram of the fixed box in the utility model;

[0024] Figure 5 It is a relevant assembly drawing of the protective cover in the utility model.

[0025] In the figure: 1. wire protection box; 2. wire threading sleeve; 3. wire entry hole; 4. partition; 5. protective cover; 6. fixing box; 7. mounting plate; 8. fastening hole; 9. telescopic sleeve; 10. plug rod; 11. support plate; 12. two-way threaded rod; 13. synchronous wheel; 14. synchronous belt; 15. driven bevel gear; 16. transmission shaft; 17. driving bevel gear; 18. hand wheel; 19. limit rod; 20. slide rod; 21. first protective pad; 22. second protective pad; 23. third protective pad; 24. first wear-resistant sleeve; 25. second wear-resistant sleeve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] See also Figure 1 , Figure 2 and Figure 3 A circulating pump wire protection cover comprises a wire protection box 1, five threading sleeves 2 are connected through the top of the wire protection box 1, five wire inlet holes 3 are opened at the bottom of the wire protection box 1, four partitions 4 are fixedly connected in the wire protection box 1, a protective cover 5 is arranged on one side of the wire protection box 1, and a fastening mechanism is arranged in the wire protection box 1;

[0029] The fastening mechanism includes two fixed boxes 6 fixedly connected to the wire protection box 1, four mounting plates 7 are fixedly connected to one side of the protective cover 5, and one side of the four mounting plates 7 slides and extends into the corresponding fixed boxes 6 respectively. Two fastening holes 8 are provided on the mounting plates 7. Four telescopic sleeves 9 are arranged in the fixed box 6, and a threaded surface is arranged inside the telescopic sleeve 9. One end of the telescopic sleeve 9 is fixedly connected to a plug rod 10, and one end of the plug rod 10 slides through the corresponding fastening hole 8; a support plate 11 is fixedly connected to the fixed box 6, and two bidirectional threaded rods 12 are rotatably penetrated on the support plate 11. The two ends of the threaded rod 12 are respectively threadedly extended into the corresponding telescopic sleeve 9; a synchronous wheel 13 is fixedly sleeved on the bidirectional threaded rod 12, and a same synchronous belt 14 is wound between each adjacent two synchronous wheels 13, and a driven bevel gear 15 is fixedly sleeved on the corresponding two bidirectional threaded rods 12. A transmission shaft 16 is rotatably connected to the outer wall of one side of the fixed box 6, and one end of the transmission shaft 16 is fixedly connected to the active bevel gear 17, and the active bevel gear 17 is meshed with the corresponding driven bevel gear 15, and the end of the transmission shaft 16 away from the active bevel gear 17 is fixedly connected to the handwheel 18.

[0030] Embodiment 2:

[0031] See also Figures 1 to 5, this embodiment provides a technical solution based on the first embodiment: the outer wall of the telescopic sleeve 9 is fixedly connected to the limit rod 19, and two sliding rods 20 are fixedly connected on both sides of the support plate 11, and the sliding rods 20 slide through the corresponding limit rods 19; the outer walls of both sides of the wire protection box 1 are fixedly connected to the first protective pads 21, and the first protective pads 21 are made of rubber material; one side of the protective cover 5 is fixedly connected to the second protective pad 22, and the second protective pad 22 is made of rubber material; the side of the protective cover 5 away from the second protective pad 22 is fixedly connected to the third protective pad 23, and one side of the third protective pad 23 extends into the wire protection box 1, and the third protective pad 23 is made of rubber material; the threading sleeve 2 is fixedly connected to the first wear-resistant sleeve 24, and the first wear-resistant sleeve 24 is made of wear-resistant plastic material, and the wire entry hole 3 is fixedly connected to the second wear-resistant sleeve 25, and the second wear-resistant sleeve 25 is made of wear-resistant plastic material.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Working principle: When in use, only the cables on the circulating pump need to be passed through the threading sleeve 2 and the wire entry hole 3 in turn to make them evenly distributed in the wire protection box 1, and then the mounting plate 7 on the protective cover 5 is aligned with the fixed box 6 and inserted, and then the two hand wheels 18 are turned. The hand wheel 18 drives the active bevel gear 17 to rotate through the transmission shaft 16, and the active bevel gear 17 drives the driven bevel gear 15 meshing with it to rotate, and the driven bevel gear 15 drives the connected two-way threaded rod 12 to rotate, and the two-way threaded rod 12 drives another two-way threaded rod 12 to rotate through the synchronous wheel 13 and the synchronous belt 14. At this time, the two two-way threaded rods 12 keep rotating synchronously, and the two-way threaded rod 12 drives the telescopic sleeve 9 threadedly connected to it to move, and the telescopic sleeve 9 drives the insertion rod 10 to move and insert it into the fastening hole 8, so as to fix the mounting plate 7 firmly. At this time, the protective cover 5 is firmly fixed on one side of the wire protection box 1.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circulating pump wire protection cover, comprising a wire protection box (1), characterized in that: The top of the wire protection box (1) is penetrated by five wire threading sleeves (2), the bottom of the wire protection box (1) is provided with five wire entry holes (3), four partitions (4) are fixedly connected inside the wire protection box (1), a protective cover (5) is provided on one side of the wire protection box (1), and a fastening mechanism is provided inside the wire protection box (1); The fastening mechanism comprises two fixed boxes (6) fixedly connected in the wire protection box (1), one side of the protective cover (5) is fixedly connected with four mounting plates (7), one side of the four mounting plates (7) respectively slides and extends into the corresponding fixed boxes (6), two fastening holes (8) are provided on the mounting plates (7), four telescopic sleeves (9) are arranged in the fixed box (6), one end of the telescopic sleeves (9) is fixedly connected with an insertion rod (10), and one end of the insertion rod (10) slides through the corresponding fastening hole (8).

2. A circulating pump grommet according to claim 1, characterized in that: A support plate (11) is fixedly connected inside the fixed box (6), and two bidirectional threaded rods (12) are rotatably connected and penetrated through the support plate (11), and both ends of the two bidirectional threaded rods (12) are threadedly extended into corresponding telescopic sleeves (9).

3. A circulating pump grommet according to claim 2, characterized in that: A synchronous wheel (13) is fixedly sleeved on the bidirectional threaded rod (12), a synchronous belt (14) is wound between each two adjacent synchronous wheels (13), and a driven bevel gear (15) is fixedly sleeved on the corresponding two bidirectional threaded rods (12). A transmission shaft (16) is rotatably connected to and penetrates the outer wall of one side of the fixed box (6), one end of the transmission shaft (16) is fixedly connected to a driving bevel gear (17), the driving bevel gear (17) is meshed with the corresponding driven bevel gear (15), and one end of the transmission shaft (16) away from the driving bevel gear (17) is fixedly connected to a hand wheel (18).

4. A circulating pump grommet according to claim 2, characterized in that: The outer wall of the telescopic sleeve (9) is fixedly connected to a limit rod (19), and two sliding rods (20) are fixedly connected to both sides of the support plate (11), and the sliding rods (20) slide through the corresponding limit rods (19).

5. The circulating pump grommet according to claim 1, characterized in that: The outer walls on both sides of the wire protection box (1) are fixedly connected with first protective pads (21), and the first protective pads (21) are made of rubber material.

6. The circulating pump grommet according to claim 1, characterized in that: A second protective pad (22) is fixedly connected to one side of the protective cover (5), and the second protective pad (22) is made of rubber material.

7. A circulating pump grommet according to claim 6, characterized in that: A third protective pad (23) is fixedly connected to a side of the protective cover (5) away from the second protective pad (22); one side of the third protective pad (23) extends into the wire protection box (1); and the third protective pad (23) is made of rubber material.

8. The circulating pump grommet according to claim 1, characterized in that: The threading sleeve (2) is fixedly connected with a first wear-resistant sleeve (24), which is made of a wear-resistant plastic material. The wire inlet hole (3) is fixedly connected with a second wear-resistant sleeve (25), which is made of a wear-resistant plastic material.

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