CN112117734A

CN112117734A - Extrusion formula waterproof construction

Info

Publication number: CN112117734A
Application number: CN202011079160.1A
Authority: CN
Inventors: 沈惠波
Original assignee: Hangzhou Tsurumi Nanfang Pump Industry Co ltd
Current assignee: Hangzhou Tsurumi Nanfang Pump Industry Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2020-12-22

Abstract

The invention discloses an extrusion type waterproof structure, which is applied to a cable group and comprises a compression waterproof component; the wiring assembly is fixedly arranged at the bottom of the compression waterproof assembly; wherein, compress tightly the one end that waterproof component and wiring subassembly cover located the cable group, compress tightly waterproof component and include pressing the cover, press to be equipped with in the cover and compress tightly the passageway, the head that compresses tightly the passageway is equipped with the crimping groove, the crimping inslot is equipped with fixed cover, fixed cover inner wall and cable group outer wall butt, the outer wall of fixed cover with compress tightly inslot wall butt, press the fixed locking Assembly who stretches into in the passageway and fixed cover butt that is equipped with in the cover top. The invention has the advantages that: compress tightly waterproof component through setting up and provide waterproof function for the cable group, compare in traditional waterproof mode, compress tightly the pressure cover among the waterproof component and fix the cover cooperation extrusion seal with fixed, the structure is more stable, and leakproofness and waterproof nature are stronger, under the comparatively abominable condition of environment, for example under the condition such as the depth of water 50m, still can keep waterproof performance, stability is high.

Description

Extrusion formula waterproof construction

Technical Field

The invention relates to an extrusion type waterproof structure, and belongs to the field of cable waterproof structures.

Background

The cable conductor is one of the main spare parts of stealthily dirty pump, can not leak under complicated operating mode. The conventional large submersible sewage pump is large in size and thick in cable, and water leakage at the sealing position of the cable is difficult to be avoided. The existing cable waterproof structure is arranged on a submersible sewage pump, and water is most easily fed into the position, so that a motor is burnt. And the cable conductor of large-scale stealthily dirty pump is than thicker, also harder, and sealed department is difficult to accomplish fine water-proof effects more. Chinese Utility model with publication number CN206564451U discloses a novel cable waterproof joint, which comprises a hollow cable waterproof joint body, a fastening connecting end connected with an electric appliance box body is arranged at one end of the cable waterproof joint body, the fastening connecting end comprises a limit ring platform arranged on the outer side wall of the cable waterproof joint body, one side end surface of the limit ring platform for stressed top pressure contact is a ring surface, the outer diameter and the inner diameter of the ring surface are respectively equal to the outer diameter and the inner diameter of a sealing gasket, the other end of the cable waterproof joint body is provided with elastic upright columns arranged in a circular array along the port of the cable waterproof joint body, the upper ends of the elastic upright columns are provided with limit bosses, a ring seat is arranged on the inner wall of the cable waterproof joint body, a clamping gasket is arranged between the ring seat and the limit bosses, and a pressing nut is arranged on the cable waterproof joint body, the utility model discloses a can make cable joint have waterproof function, nevertheless the design occupation space of overlapping the cover like this is big, is unfavorable for the installation of cable under complex environment, under the circumstances that the depth of water is darker, water pressure is high, and waterproof performance intensity is not enough.

Disclosure of Invention

The invention aims to provide an extrusion type waterproof structure which can effectively solve the problem that the existing cable waterproof structure is insufficient in waterproof performance in a complex environment.

In order to solve the technical problems, the invention is realized by the following technical scheme:

an extrusion type waterproof structure applies a cable group and comprises a compression waterproof component; the wiring assembly is fixedly arranged at the bottom of the compression waterproof assembly; the waterproof structure comprises a compression waterproof assembly and a wiring assembly, wherein the compression waterproof assembly and the wiring assembly are sleeved at one end of a cable group, the compression waterproof assembly comprises a compression sleeve, a compression channel is arranged in the compression sleeve, a compression groove is formed in the head of the compression channel, a fixing sleeve is arranged in the compression groove, the inner wall of the fixing sleeve is abutted to the outer wall of the cable group, the outer wall of the fixing sleeve is abutted to the inner wall of the compression groove, a locking assembly which stretches into the compression channel and is abutted to the fixing sleeve is fixedly arranged at the top of the compression sleeve, the fixing sleeve is sealed with the cable group in an abutting mode, and then the fixing is strengthened through a locking block, so that the waterproof structure can still keep the waterproof performance under severe environment, and the waterproof structure is stable, small.

Preferably, the locking assembly comprises a locking block, a pressing block abutted against the fixed sleeve is arranged at the bottom of one end of the locking block, and the other end of the locking block is fixedly arranged at the top of the pressing sleeve.

Further, locking Assembly is still including being located the compact heap with first outer clamp plate between the fixed cover, the bottom of compact heap with first outer clamp plate butt, fixed cover with be equipped with the outer clamp plate of second between the groove that compresses tightly, it can make the butt of latch segment and fixed cover more firm to increase the outer clamp plate, has increased frictional force, avoids the deformation of fixed cover to influence sealed effect.

Furthermore, an access hole is formed in the center of the locking block, and the cable group enters the pressing channel from the wiring hole.

Preferably, the wiring assembly comprises a wiring box fixedly connected with the pressing sleeve, the wiring box comprises a wiring channel used for accommodating the cable group, a wiring gland is fixedly arranged on one side of the wiring box, and the cable group can be subjected to wiring adjustment by opening the wiring gland when the cable group needs to be overhauled.

Further, press the cover bottom to be equipped with the joint ring, wiring passageway top is equipped with the joint groove, the joint ring stretches into in the joint groove with the fixed joint in joint groove sets up like this and can increase the sealed effect of pressing cover and joint ring to be connected, improves waterproof construction's stability.

Furthermore, inner pressing plates are fixed at two ends of the bottom of the clamping ring and help the cable line group to be fixed in position, and the sealing effect is prevented from being influenced by the random moving position of the cable line group.

In order to further increase the sealing degree, O-shaped rings are respectively arranged between the junction box and the pressing sleeve and between the junction box and the wiring pressing cover.

Preferably, the material of fixed cover is rubber, and the rubber material of fixed cover is softer than the rubber material of cable group, through utilizing the material speciality, and the outer wall of laminating cable group that can be better carries out waterproofly.

Compared with the prior art, the invention has the advantages that:

compress tightly waterproof component through setting up and provide waterproof function for the cable group, compare in traditional waterproof mode, compress tightly the pressure cover among the waterproof component and fix the cover cooperation extrusion seal with fixed, the structure is more stable, and leakproofness and waterproof nature are stronger, under the comparatively abominable condition of environment, for example under the condition such as the depth of water 50m, still can keep waterproof performance, stability is high.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

in the figure:

10. compressing the waterproof assembly; 11. a wiring assembly; 12. pressing the sleeve; 13. a compacting channel; 14. a crimping groove; 15. fixing a sleeve; 16. a cable group; 17. a locking assembly; 18. a locking block; 19. a through hole; 20. a compression block; 21. a first outer platen; 22. a second outer platen; 23. a junction box; 24. a wiring channel; 25. a wiring gland; 26. a snap ring; 27. a clamping groove; 28. an inner pressure plate; 29. and an O-shaped ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, an embodiment of an extrusion waterproof structure of the present invention is applied to a cable set 16, the waterproof structure includes a compression waterproof component 10, a wiring component 11 is fixed at the bottom of the compression waterproof component 10, the compression waterproof component 10 and the wiring component 11 are sleeved at one end of the cable set 16, the compression waterproof component 10 includes a pressing sleeve 12, a pressing channel 13 is arranged in the pressing sleeve 12, the cable set 16 is introduced into the pressing channel 13, a pressing groove 14 is arranged at the head of the pressing channel 13, a fixing sleeve 15 is arranged in the pressing groove 14, the fixing sleeve 15 is sleeved outside the cable set 16, the inner wall of the fixing sleeve 15 is abutted against the outer wall of the cable set 16, the outer wall is abutted against the inner wall of the pressing groove, the waterproof structure is sealed during installation and use by friction and pressure generated when the fixing sleeve 15 is abutted against the cable set 16, a locking component 17 extending into the pressing channel 13 and abutted against the top of the fixing sleeve 15 is, locking assembly 17 provides a reliable holding power, fix fixed cover 15 and make the sealed environment in compressing tightly the passageway 13, locking assembly 17 includes latch segment 18, be equipped with a through-hole 19 in latch segment 18 center, cable group 16 stretches into from through-hole 19 to compressing tightly the passageway 13 in the pressure cover 12, the one end bottom of latch segment 18 is equipped with compact block 20, compact block 20 stretches into and compresses tightly the top butt with fixed cover 15 in the passageway 13, the other end of latch segment 18 passes through the bolt fastening at the pressure cover 12 top, avoid fixed cover 15 to be extruded from compressing tightly the passageway 13, make waterproof construction more stable, also can keep the waterproof nature of cable group 16 under the circumstances such as depth of water 50m in the complex environment.

Referring to fig. 1, the locking assembly 17 further includes a first outer pressing plate 21 and a second outer pressing plate 22, the first outer pressing plate 21 is located between the pressing block 20 and the fixing sleeve 15, the second outer pressing plate 22 is located between the pressing groove and the fixing sleeve 15, the structural stability of the waterproof structure can be further improved by increasing the first outer pressing plate 21 and the second outer pressing plate 22, the first outer pressing plate 21 and the second outer pressing plate 22 can enable the shape of the fixing sleeve 15 not to deform under long-term use, the practicability of the waterproof structure is improved, the material of the fixing sleeve 15 is selected to be rubber, the material of the rubber is soft, compared with the cable group 16, the outer wall of the cable group 16 can be attached by utilizing the characteristics of the material, and the waterproofness and the sealing performance are improved.

Referring to fig. 1-2, the wiring assembly 11 includes a terminal box 23 fixedly connected to the pressing sleeve 12, the terminal box 23 includes a wiring channel 24, the cable group 16 penetrates out of the pressing channel and enters the wiring channel 24 for wiring, a wiring gland 25 is fixedly disposed on one side of the terminal box 23, the cable group 16 can be sealed in the terminal box 23 by fixing the wiring gland 25, and when the cable group 16 fails, the wiring gland 25 can be opened for maintenance, which is convenient and fast. The clamping ring 26 is arranged at the bottom of the pressing sleeve 12, the clamping ring 26 is clamped with the clamping groove 27 at the top of the wiring channel 24 and then fixed by bolts, the waterproofness of the waterproof structure is improved, and the cable group 16 cannot easily leak to affect the normal work.

The embodiment is different from the above embodiments, referring to fig. 1-2, an inner pressing plate 28 is fixed at the bottom of the clamping ring 26, the inner pressing plate 28 is arranged to increase the fixing effect on the cable group 16, so that the cable group 16 cannot move freely in the junction box 23 to affect the wiring effect, and O-rings 29 are arranged between the junction box 23 and the pressing sleeve 12, between the junction box 23 and the wiring pressing cover 25, so that the sealing performance of the waterproof structure is improved through the O-rings 29, and the problem of water seepage in a water depth environment is avoided.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. The utility model provides an extrusion formula waterproof construction, uses cable group which characterized in that: comprises that

Compressing the waterproof assembly;

the wiring assembly is fixedly arranged at the bottom of the compression waterproof assembly;

the pressing waterproof assembly and the wiring assembly are sleeved at one end of the cable group, the pressing waterproof assembly comprises a pressing sleeve, a pressing channel is arranged in the pressing sleeve, a pressing groove is formed in the head of the pressing channel, a fixing sleeve is arranged in the pressing groove, the inner wall of the fixing sleeve is abutted to the outer wall of the cable group, the outer wall of the fixing sleeve is abutted to the inner wall of the pressing groove, and a locking assembly stretching into the pressing channel and abutted to the fixing sleeve is fixedly arranged at the top of the pressing sleeve.

2. The waterproof structure according to claim 1, characterized in that: the locking assembly comprises a locking block, a pressing block abutted against the fixed sleeve is arranged at the bottom of one end of the locking block, and the other end of the locking block is fixedly arranged at the top of the pressing sleeve.

3. The waterproof structure according to claim 2, characterized in that: the locking assembly further comprises a first outer pressing plate located between the pressing block and the fixing sleeve, the bottom of the pressing block is abutted to the first outer pressing plate, and a second outer pressing plate is arranged between the fixing sleeve and the pressing groove.

4. The waterproof structure according to claim 2, characterized in that: the center of the locking block is provided with an access hole.

5. The waterproof structure according to claim 1, characterized in that: the wiring assembly comprises a wiring box fixedly connected with the pressing sleeve, the wiring box comprises a wiring channel used for accommodating the cable group, and a wiring pressing cover is fixedly arranged on one side of the wiring box.

6. The waterproof structure according to claim 5, wherein: the pressing sleeve is provided with a clamping ring at the bottom, a clamping groove is formed in the top of the wiring channel, and the clamping ring extends into the clamping groove and is fixedly clamped with the clamping groove.

7. The waterproof structure according to claim 6, wherein: and inner pressing plates are fixed at two ends of the bottom of the clamping ring.

8. The waterproof structure according to claim 5, wherein: and O-shaped rings are respectively arranged between the junction box and the pressing sleeve as well as between the junction box and the wiring pressing cover.

9. The waterproof structure according to claim 1, characterized in that: the material of the fixed sleeve is rubber.