Auxiliary threading device

Abstract

The utility model relates to the technical field of threading devices, and particularly discloses an auxiliary threading device. The fixing device structurally comprises a fixing frame used for being connected with a junction box, the fixing frame is provided with a rolling shaft used for being in contact with a cable, the fixing frame comprises two parallel fixing rods, the fixing rods are provided with connecting supporting feet capable of sliding along the fixing rods, the connecting supporting feet comprise clamping plates capable of sliding along the fixing rods, and the clamping plates are connected with the rolling shaft. The clamping plate is connected with a sliding button capable of fixing the clamping plate on the fixing rod, and the technical problems that in the prior art, an auxiliary threading tool can only be suitable for junction boxes of fixed models, and auxiliary tools of different models need to be prepared for junction boxes of different models are solved through the connecting supporting legs.

Description

Technical Field

[0001] The utility model relates to the technical field of threading devices, in particular to an auxiliary threading device. Background Art

[0002] In building decoration construction, the wire tubes of cables (including optical cables and electric wires) are usually pre-buried in the modified surface of the decoration or in the wall. The wires and optical cables need to be laid through the wire tubes. However, since some lines are relatively long, or there are corners where the wires and optical cables are laid, in order to facilitate later maintenance, junction boxes are usually used as intermediate stations for transitional wire tubes. Therefore, junction boxes are one of the important auxiliary materials for laying cables during decoration. The wire tubes are connected to the junction boxes, and the wires and optical cables in the wire tubes are connected in the junction boxes. When the wires and optical cables are damaged in the later stage, they can be directly maintained through the junction boxes. Although the junction boxes are convenient for later maintenance, during the construction process of threading, because the wires and optical cables are easy to contact with the edges of the junction boxes, the wires and optical cables are easy to get stuck, causing damage to the protective skin of the wires and optical cables. After power is turned on, the damaged parts become the locations where short circuits and faults are prone to occur, and the friction of the cables also causes wear on the junction boxes. In addition, the cables often get stuck, which requires frequent wire management, and the threading work is inefficient.

[0003] In order to solve the problem that the cables are easily damaged and worn during the threading process of the wire tube mentioned above, in the prior art, auxiliary tools are usually set at the junction box position. The auxiliary tools are usually rollers, and the sliding friction between the cable and the junction box is converted into rolling friction by the rotation of the rollers, thereby avoiding mutual wear between the cable and the junction box. For example, the patent document with application number CN202322300284.3 discloses an 86-type junction box threading auxiliary tool, and its structure is like this.

[0004] Although the above patent can solve the friction problem between the cable and the junction box, it can only be installed and used on a junction box of a fixed model, and its applicability is not wide enough, so different types of tools need to be prepared during construction, which is not convenient enough. Utility Model Content

[0005] The purpose of the utility model is to provide an auxiliary threading device to solve the technical problem that the auxiliary threading tool in the prior art mentioned above can only be applied to a fixed type of junction box, and different types of auxiliary tools need to be prepared when facing different types of junction boxes.

[0006] In order to solve the above problems, the technical solution adopted by the utility model is as follows: an auxiliary threading device, including a fixed frame for connecting to a junction box, a roller for contacting the cable is arranged on the fixed frame, the fixed frame includes two parallel fixed rods, the fixed rods are provided with connecting legs that can slide along the fixed rods, the connecting legs include a clamping plate that can slide along the fixed rods, and the clamping plate is connected to a sliding button that can fix the clamping plate on the fixed rod.

[0007] The beneficial effects of this embodiment are:

[0008] 1. The prior art can only be installed and used on a fixed type of junction box, and its applicability is not wide enough, so that different types of tools need to be prepared during construction, which is not convenient enough. However, the present application designs a connecting foot that can be moved along the fixed rod, so that the present application can be installed on junction boxes of various sizes such as 80mm*80mm, 120mm*120mm, etc. through sliding connecting feet, and its use is more extensive.

[0009] Furthermore, the sliding button includes a fixed clamping edge, the fixed rod is provided with a through groove and a movable groove, the clamping plate is arranged in the through groove, the sliding button is arranged in the movable groove, the sliding button includes a fixed clamping edge, and the clamping plate is provided with a locking spring that presses the fixed clamping edge against the fixed rod.

[0010] Furthermore, the clamping plate is provided with a central rod which is integrated with the clamping plate, one end of the central rod away from the clamping plate is fixedly connected to the sliding button, and a locking spring is sleeved on the outer circumference of the central rod. The central rod passes through the deformation axis for the compression and recovery deformation of the locking spring, so that the spring does not slide eccentrically.

[0011] Furthermore, a sliding block is provided on the clamping plate, a sliding groove is provided on the through groove, and the sliding block is clamped in the sliding groove.

[0012] Furthermore, the fixed clamp edge is provided with a sawtooth-shaped sharp corner, so that the friction between the fixed clamp edge and the fixed rod becomes larger.

[0013] Furthermore, the fixing frame includes a connecting rod, and the connecting rod connects the fixing rods into one body. The structure is strengthened, so that the present invention is not easy to be damaged or deformed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment of the utility model,

[0015] Figure 2 This is a schematic diagram of the side connection structure of the connecting foot and the fixing rod in the embodiment of the utility model.

[0016] Figure 3It is a schematic diagram of the front connection structure connecting the supporting foot and the fixing rod according to an embodiment of the utility model. DETAILED DESCRIPTION

[0017] The following is further described in detail through specific implementation methods:

[0018] The figure marks in the drawings of the specification include: fixed rod 1, movable groove 11, through groove 12, connecting rod 2, roller shaft 3, connecting leg 4, sliding button 41, fixed clamping edge 411, slider 431, center rod 42, locking spring 421, clamping plate 43, slider 431.

[0019] Implementation example Figures 1 to 3 As shown: an auxiliary threading device, including a fixing frame for connecting with a junction box, the fixing frame including a fixing rod 1 and a connecting rod 2, two fixing rods 1 are arranged in parallel, and the connecting rod 2 is welded at the right end of the fixing rod 1, so that the fixing rod 1 and the connecting rod 2 form a frame. A cross bar is welded between the two parallel fixing rods 1, and a roller 3 is sleeved on the cross bar. The roller 3 and the cross bar are connected by a bearing, so that the roller can rotate relative to the cross bar.

[0020] A connecting leg 4 is provided below the fixing rod 1. The connecting leg 4 can be clamped on the inner wall of the junction box during installation, so that the auxiliary threading device of the present application can be installed on the junction box. The fixing rod 1 is a hollow tube structure in the center, which makes the whole device small in weight and easy to operate. A movable groove 11 is provided on the upper end surface of the fixing rod 1. The movable groove 11 is located in the middle of the fixing rod 1, and the two ends do not penetrate the entire rod body. A through groove 12 is provided at the lower end of the fixing rod 1, and the through groove 12 penetrates the fixing rod 1.

[0021] The connecting leg 4 is arranged in the through slot 12. Figure 2 , Figure 3 As shown, the connecting leg 4 includes a sliding button 41, a center rod 42 and a clamping plate 43. The clamping plate 43 is located at the lower end and is the main structure clamped with the junction box. The clamping plate 43 is a rectangular plate structure. Figure 3 The direction is the description direction. The left and right ends of the clamping plate 43 are provided with sliders 431 which are processed as one piece with the clamping plate 43. The sliders 431 are engaged with the slide grooves on the sides of the through groove 12, so that the clamping plate 43 can only move forward and backward along the through groove 12. Figure 2 As shown, the upper end of the clamping plate 43 is provided with a center rod 42 which is integrally processed. The upper end of the center rod 42 is sleeved with the sliding button 41. The sliding button 41 has a cavity and the cavity has a downward opening. The lower end of the sliding button 41 is provided with a fixed clamping edge 411 which is integrally processed with the sliding button 41, so that the sliding button 41 as a whole resembles a hat structure.

[0022] The sliding button 41 is sleeved on the upper end of the center rod 42 by using the cavity in the middle, and a locking spring 421 is sleeved on the outer circumference of the center rod 42. The upper end of the locking spring 421 is fixed to the lower end face of the fixed clamping edge 411, and the lower end is fixed to the upper end face of the clamping plate 43. The center rod 42 passes through the deformation axis for the compression and recovery deformation of the locking spring 421, so that the locking spring 421 does not slide eccentrically. Therefore, the locking spring will lift the sliding button 41 upward, so that the fixed clamping edge 411 presses against the upper inner wall of the fixed rod 1, thereby fixing the slidable clamping plate on the fixed rod 1.

[0023] When in use, the sliding button 41 can be pressed to compress the locking spring 421 and separate the fixed locking edge 411 from the inner wall of the fixed rod 1. At this time, external force can be applied to slide the connecting leg 4. When the connecting leg 4 is moved and clamped to the inner wall of the junction box, the sliding button 41 is released. At this time, the locking spring 421 recovers its deformation and lifts upward, so that the fixed locking edge 411 presses against the inner wall of the fixed rod 1, fixing the connecting leg 4 on the fixed rod 1, so that the auxiliary threading device of the present application and the junction box are installed.

[0024] For further optimization, in order to ensure the stable clamping of the connecting leg, a rubber layer can be set on the upper top surface of the inner wall of the fixing rod 1, and the outer contour of the rubber layer can be set to a wavy shape to increase the clamping friction between the fixing clamping edge 411 and the fixing rod 1. Furthermore, a serrated sharp corner can also be set on the upper end surface of the fixing clamping edge 411 to facilitate the insertion of the rubber layer for fixation.

[0025] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An auxiliary threading device, comprising a fixing frame for connecting to a junction box, the fixing frame being provided with a roller for contacting the cable, characterized in that: The fixing frame includes two parallel fixing rods, the fixing rods are provided with connecting legs that can slide along the fixing rods, the connecting legs include a clamping plate that can slide along the fixing rods, and the clamping plate is connected with a sliding button that can fix the clamping plate on the fixing rod.

2. The auxiliary threading device according to claim 1, characterized in that: The sliding button includes a fixed card edge, the fixed rod is provided with a through slot and a movable slot, the clamping plate is arranged in the through slot, the sliding button is arranged in the movable slot, the sliding button includes a fixed card edge, and the clamping plate is provided with a locking spring that presses the fixed card edge against the fixed rod.

3. The auxiliary threading device according to claim 2, characterized in that: The clamping plate is provided with a center rod which is integrated with the clamping plate. One end of the center rod away from the clamping plate is fixedly connected to a sliding button, and a locking spring is sleeved on the outer periphery of the center rod.

4. The auxiliary threading device according to claim 2, characterized in that: The clamping plate is provided with a sliding block, the through slot is provided with a sliding slot, and the sliding block is clamped in the sliding slot.

5. The auxiliary threading device according to claim 2, characterized in that: The fixed clamp edge is provided with a sawtooth-shaped sharp corner.

6. The auxiliary threading device according to claim 1, characterized in that: The fixing frame comprises a connecting rod, and the connecting rod connects the fixing rods into one body.

Images