CN216959202U - Sleeve type well cable - Google Patents

Abstract

The utility model relates to a sleeve type well cable which comprises a first main cable, a second main cable and a sleeve. The first main cable comprises a first connection portion, the second main cable comprises a second connection portion, and the first connection portion and the second connection portion are respectively used for being connected with the branch cables. The sleeve pipe is including being used for towards the blind end of well crossing, and be used for towards the open end of well bottom, and the sleeve pipe is located outside first portion of plugging into and the second portion of plugging into from the open end cover. Adopt the sleeve pipe to refute first portion of connecing and refuting the portion of connecing with the second and protect, sheathed tube blind end is towards the well crossing, need not special waterproof interface like this and handle the waterproof requirement that can satisfy the cable in the well to the sheathed tube open end is towards the bottom of well, if first portion of refuting is refuted and is met the portion of connecing with the second and have the drop of water, the drop of water can in time discharge through the open end, can not form ponding in the sleeve pipe. So, can simplify production and installation, need not to increase the sealing washer alright satisfy waterproof requirement, can also reduce material cost simultaneously.

Description

Sleeve type well cable

Technical Field

The utility model relates to the technical field of elevators, in particular to a sleeve type well cable.

Background

A double-pipe hoistway cable is one of important parts of an elevator construction process, and is mainly used for receiving switching signals within a hoistway, door lock and call signals of each floor of an elevator, and the like. In the process of laying the sleeve-type well cable, the cable can be connected. In order to protect the connection position, the traditional method is to adopt a heat-shrinkable sleeve to be sleeved outside the connection position, but accumulated water in the heat-shrinkable sleeve is not easy to discharge, so that the corrosion, short circuit and the like of an internal crimping terminal are easily caused, the cost is high, and the maintenance and the replacement are not convenient. To solve the problems, the junction box is adopted to protect the connection position. However, the joint of the upper part of the junction box and the cable needs waterproof designs such as a sealing ring and the like, so that the cost is high and the installation is troublesome.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a bushing-type hoistway cable that is easy to install, and that can meet waterproof requirements without adding a seal ring, and that reduces cost.

A jacketed hoistway cable, comprising:

the cable connector comprises a first main cable and a second main cable, wherein the first main cable comprises a first connection part, the second main cable comprises a second connection part, and the first connection part and the second connection part are respectively used for connection with branch cables; and

the sleeve comprises a closed end used for facing the well mouth and an open end used for facing the bottom of the well, and the sleeve is sleeved outside the first connection portion and the second connection portion from the open end.

In one embodiment, the casing well cable further comprises a reducer provided at the open end and adapted to reduce the size of the open end.

In one embodiment, the first docking portion includes a first crimp terminal, the second docking portion includes a second crimp terminal, and the caps of the first and second crimp terminals face the closed end.

In one embodiment, the first main cable extends from the open end in a direction away from the closed end; the second main cable comprises a bending section, an upper cable section and a lower cable section, one end of the lower cable section is connected with the second connection part, the other end of the lower cable section is connected with the bending section, and the lower cable section extends from the opening end to the direction far away from the closed end; the cable upper section is connected with one end, far away from the cable lower section, of the bending section and extends from the bending section towards the direction close to the closed end.

In one embodiment, the casing tubular hoistway cable further includes a first cable tie fixedly connecting the cable upper section and the first main cable.

In one embodiment, the number of the first bundling members is at least two, and at least two first bundling members are arranged at intervals along the extending direction of the first main cable and the upper cable section.

In one embodiment, the casing well cable further comprises a second wire harness fixedly connecting the cable upper section and the casing.

In one embodiment, the casing type hoistway cable further includes a third wire harness for fixedly connecting the first connection portion, the second connection portion, and the conductor of the branch cable.

In one embodiment, the casing well cable further comprises a clamp for fixing to a wall of a well, the clamp being clamped to the first primary cable and/or the second primary cable.

In one embodiment, the sleeve is a plastic sleeve.

When the sleeve-type well cable is assembled in a well, the first connection part and the second connection part are connected with the branch cable respectively. After the connection is completed, the closed end of the sleeve is towards the shaft opening, the open end of the sleeve is towards the bottom of the shaft, and the first connection part and the second connection part are sleeved from top to bottom. Adopt the sleeve pipe to refute first portion of connecing and refuting with the second and connect the portion and protect, sheathed tube blind end is towards the well crossing, need not special waterproof interface like this and handles the waterproof requirement that can satisfy the cable in the well to sheathed tube open end is towards the bottom of well, if first portion of connecing is refuted with the second and is refuted and connect the portion in and have the drop of water, the drop of water can in time discharge through the open end, can not form ponding in the sleeve pipe. So, can simplify the installation to need not to increase sealing washer alright satisfy waterproof requirement, reduce cost.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a double pipe hoistway cable according to an embodiment of the present invention.

The reference numbers illustrate: 10. a first main cable; 11. a first docking portion; 20. a second main cable; 21. a second docking portion; 22. an upper section of the cable; 23. bending the section; 24. a lower section of the cable; 30. a sleeve; 31. an open end; 32. a closed end; 40. a first wire harness; 50. a second wire harness member; 60. a third wire harness member; 70. a necking piece.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1, a double pipe hoistway cable according to an embodiment of the present invention includes a first main cable 10, a second main cable 20, and a sleeve 30. The first main cable 10 includes a first docking portion 11, the second main cable 20 includes a second docking portion 21, and the first docking portion 11 and the second docking portion 21 are respectively used for docking with the branch cables. The sleeve 30 includes a closed end 32 facing the shaft opening and an open end 31 facing the bottom of the hoistway, and the sleeve 30 is sleeved outside the first and second connection portions 11 and 21 from the open end 31.

When the double pipe type hoistway cable is assembled in a hoistway, the first connection portion 11 and the second connection portion 21 are connected to the branch cables. After the connection is completed, the closed end 32 of the sleeve 30 faces the shaft opening, and the open end 31 faces the bottom of the shaft, so as to cover the first connection portion 11 and the second connection portion 21 from top to bottom. Adopt sleeve pipe 30 to refute first portion of connecing 11 and the second portion of connecing 21 and protecting, the blind end 32 of sleeve pipe 30 is towards the well crossing, need not special waterproof interface like this and handle the waterproof requirement that can satisfy the cable in the well to open end 31 of sleeve pipe 30 is towards the bottom of well, if first portion of connecing 11 and the second of refuting have the drop of water in refuting 21, the drop of water can in time discharge through open end 31, can not form ponding in sleeve pipe 30. So, can simplify the installation to need not to increase the sealing washer alright satisfy waterproof requirement, reduce material cost.

Further, the sleeve 30 is a plastic tube. Alternatively, the sleeve 30 is made of a PVC material. Thus, the plastic tube is soft, light and portable. Of course, in other embodiments, the sleeve 30 may be a tube made of other materials.

In one embodiment, referring to fig. 1, the jacketed hoistway cable also includes a constriction 70. A reducer 70 is provided at the open end 31 and serves to reduce the size of the open end 31. Treat that the sleeve 30 locates outside first portion of plugging into 11 and the second portion of plugging into 21, through the size of necking down piece 70 reduction open end 31, guarantee that the drop of water can discharge through open end 31 can, this sleeve type well cable can satisfy waterproof requirement like this. In addition, the reducing piece 70 reduces the size of the open end 31, so that impurities in the hoistway can be prevented from entering the sleeve 30 from the open end 31 to damage the connection between the first connection part 11 and the second connection part 21, and the service life of the sleeve-type hoistway cable can be prolonged.

Optionally, the constriction 70 comprises a cable tie, which is tied to the outer surface of the sleeve 30 corresponding to the open end 31. Of course, in other embodiments, the necking piece 70 may be a necking clip, but not limited thereto.

In one embodiment, referring to fig. 1, the first docking portion 11 includes a first crimp terminal, the second docking portion 21 includes a second crimp terminal, and the caps of the first and second crimp terminals face the closed end 32. So, install this bushing type well cable behind the well, the cap top of first crimping terminal and second crimping terminal all faces blind end 32, and the cap bottom is towards open end 31, and the cap top can play the effect of manger plate like this, effectively plays the guard action to refuting the position of connecing, need not special waterproof interface like this and handle and can satisfy the waterproof requirement of cable in the well.

Further, referring to fig. 1, the double pipe hoistway cable further includes a third wire bundling member 60, and the third wire bundling member 60 is used for fixing the first and second connection portions 11 and 21 and the wires of the branch cable. Therefore, the first main cable 10 and the second main cable 20 can be prevented from being loosened from the branch cables, the size of the connection position can be reduced, and the sleeve 30 can be conveniently sleeved outside the first connection portion 11 and the second connection portion 21.

In one embodiment, referring to fig. 1, the first main cable 10 extends from the open end 31 in a direction away from the closed end 32. It will be appreciated that the first main cable 10 extends from the open end 31 in the direction of the bottom of the hoistway. The second main cable 20 comprises a bending section 23, a cable upper section 22 and a cable lower section 24, one end of the cable lower section 24 is connected with the bending section 23, the other end is connected with the second connection part 21, and the cable lower section 24 extends from the opening end 31 to the direction far away from the closing end 32; the cable upper section 22 is connected to an end of the bent section 23 away from the cable lower section 24, and extends from the bent section 23 toward the closed end 32. It will be appreciated that the lower cable section 24 extends from the open end 31 in the direction of the bottom of the hoistway, is diverted by the bend section 23 and the upper cable section 22 extends in the direction of the hoistway entrance. When the casing type hoistway cable is assembled in a hoistway, the first connection part 11 and the second connection part 21 are respectively connected with branch cables, after the casing 30 is sleeved outside the first connection part 11 and the second connection part 21 from the opening end 31, the first main cable 10 extends from the opening end 31 to the bottom of the hoistway, and the second main cable 20 extends from the opening end 31 to the crossing after being bent, so as to meet the arrangement requirement of the main cables in the hoistway.

Alternatively, referring to fig. 1, the bend 23 is arcuate. Therefore, the bending degree of the second main cable 20 is reduced, the second main cable 20 is prevented from being in a bending state for a long time to cause the surface insulating layer to be disconnected, and the use safety of the sleeve type well cable is ensured.

Further, referring to fig. 1, the hoistway cable of the bushing type further includes a first harness 40, and the first harness 40 fixedly connects the cable upper section 22 and the first main cable 10. In this way, the first wire harness 40 can fix the bent cable upper section 22 to the first main cable 10 so that the second main cable 20 is kept in a bent state.

Further, referring to fig. 1, at least two first bundling members 40 are provided, and at least two first bundling members 40 are spaced apart from each other along the extending direction of the first main cable 10 and the cable upper section 22. Therefore, the firmness of connection between the first main cable 10 and the cable upper section 22 can be ensured, and the cable upper section 22 and the first main cable 10 are prevented from loosening. In this embodiment, three first bundling members 40 are provided, and three first bundling members 40 fixedly connect the first main cable 10 and the cable upper section 22.

Optionally, the first binder 40 is a binding band that binds the cable upper section 22 to the first main cable 10. Of course, in other embodiments, the first wire harness 40 may also be a wire harness clip, but not limited thereto.

Further, referring to fig. 1, the sleeve-type hoistway cable further includes a second wire harness 50, and the second wire harness 50 fixedly connects the cable upper section 22 and the sleeve 30. In this way, the second harness member 50 can fix the bent cable upper section 22 to the sleeve 30 so that the second main cable 20 is kept in a bent state. When maintenance and replacement are needed, the sleeve 30 can be taken out only by disconnecting the second wire binding piece 50, and then a new sleeve 30 is adopted for replacement, so that the method is simple and convenient.

It should be noted that the number of the second wire harness members 50 may be set according to actual requirements, and is not limited herein. In this embodiment, one second wire harness member 50 is provided, and one second wire harness member 50 fixedly connects the cable upper section 22 of the second main cable 20 to the sleeve 30.

Optionally, the second wire harness member 50 is a wire harness strap that binds the cable upper section 22 to the outer surface of the sleeve 30. Of course, in other embodiments, the second wire harness 50 may also be a wire harness clip, but is not limited thereto.

In one embodiment, the casing well cable further comprises a clamp for fixing to the wall of the well, the clamp gripping the first primary cable 10 and/or the second primary cable 20. Optionally, the clamp is an R-type clamp. In this way, the first main cable 10 and/or the second main cable 20 are clamped by the clamp, and the clamp is screwed to the hoistway wall, so that the load bearing function can be performed on the double pipe hoistway cable.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

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; can be mechanically or electrically connected; 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.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A jacketed hoistway cable, comprising:

the cable connector comprises a first main cable and a second main cable, wherein the first main cable comprises a first connection part, the second main cable comprises a second connection part, and the first connection part and the second connection part are respectively used for connection with branch cables; and

the sleeve comprises a closed end used for facing the well mouth and an open end used for facing the bottom of the well, and the sleeve is sleeved outside the first connection portion and the second connection portion from the open end.

2. The jacketed hoistway cable of claim 1, further comprising a reducer disposed at the open end, the reducer configured to reduce a size of the open end.

3. The casing hoistway cable of claim 1, wherein the first connection portion includes a first crimp terminal and the second connection portion includes a second crimp terminal, the first and second crimp terminals having respective caps facing the closed end.

4. The spoolie hoistway cable of claim 1, wherein the first primary cable extends from the open end in a direction away from the closed end;

the second main cable comprises a bending section, an upper cable section and a lower cable section, one end of the lower cable section is connected with the bending section, the other end of the lower cable section is connected with the second connection part, and the lower cable section extends from the opening end to the direction far away from the closed end; the cable upper section is connected with one end, far away from the cable lower section, of the bending section and extends from the bending section towards the direction close to the closed end.

5. The telescopic hoistway cable of claim 4, further comprising a first binder member fixedly connecting the cable upper section and the first primary cable.

6. The casing hoistway cable as recited in claim 5, wherein at least two of the first harness members are provided, and at least two of the first harness members are provided at intervals in an extending direction of the first main cable and the cable upper section.

7. The casing pipe hoistway cable of claim 4, further comprising a second wire harness member fixedly connecting the cable upper section and the casing pipe.

8. The telescopic hoistway cable of any of claims 1 to 7, further comprising a third wire harness member for fixedly connecting the first and second docking portions and the conductor of the branch cable.

9. The casing pipe well cable according to any one of claims 1 to 7, further comprising a clamp for fixing to a wall of a well, the clamp being clamped to the first main cable and/or the second main cable.

10. The jacketed hoistway cable of any of claims 1 to 7, wherein the jacket is a plastic jacket.

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