Heat shrink device for heat shrink tube

Abstract

The utility model discloses a heat shrink device for a heat shrink tube, and relates to the technical field of heat shrink of heat shrink tubes. According to the thermal shrinkage device for the thermal shrinkage tube, the thermal shrinkage tube to be thermally shrunk is placed in the placement groove, the rotary knob is rotated to drive the bidirectional lead screw to rotate, so that the movable seat slides on the inner side of the movable groove, the clamping rollers are driven to get close to each other, and the two ends of the thermal shrinkage tube are clamped, so that the thermal shrinkage tube is slidably supported, and friction loss caused by friction between the thermal shrinkage tube and the device is avoided; by rotating the upper cover until the limiting groove sleeves the outer side of the limiting block and rotating the rotating block until the rotating block is staggered with the limiting groove, the upper cover is limited and fixed, a hot air assembly in a hot air cavity is started, the box body is driven by a handle to move, and the clamping roller is matched to rotate, so that full thermal shrinkage of the long-section thermal shrinkage tube is realized; and the limiting elastic buckle pops up under the matching action of the spring and is clamped with a groove in the lower end of the rotating block, so that the rotating block is limited, and the upper cover is convenient to open and the heat shrink tube is convenient to take out.

Description

Technical Field

[0001] The utility model relates to the technical field of heat shrinkage of heat shrinkable tubes, in particular to a heat shrinkage device for heat shrinkable tubes. Background Art

[0002] Heat shrink tubing is a special polyolefin heat shrink tubing with high temperature shrinkage, soft flame retardancy, insulation and corrosion resistance. It is widely used in insulation protection of various wiring harnesses, solder joints, inductors, rust and corrosion prevention of metal tubes and rods. During the use of heat shrink tubing, a heat shrink device is required to heat the heat shrink tubing.

[0003] For example, announcement number CN215704107U discloses a heat shrink device for heat shrink tubes, comprising a box body, a heat shrink chamber is provided in the middle of the box body, wind chambers are provided on both sides of the heat shrink chamber, two connecting rods are fixed to one end of the inner wall of the wind chamber away from the heat shrink chamber, the two connecting rods are commonly fixedly connected to a motor, the motor driving end is fixedly connected to a rotating shaft, the end of the rotating shaft away from the motor is fixedly connected to a fan blade, and a plurality of resistance wires are provided on one side of the wind chamber near the heat shrink chamber; in the utility model, a box body, a heat shrink chamber, a handle and a storage battery are provided, so that the heat shrink device is smaller in size and convenient to carry by the handle, and the heat shrink tube on the fixed wire can be heat-shrunk, and the heat shrink chamber of the heat shrink device is a through-type design, so that the heat shrink operation can be completed regardless of the length of the heat shrink tube, and the storage battery provided inside can enable the heat shrink device to continue working in the event of a power outage, making the heat shrink device more flexible and convenient to use;

[0004] The heat shrink tube heat shrink device in the utility model requires the heat shrink tube to be inserted into the heat shrink cavity, which makes local heat shrinkage more troublesome and lacks flexibility in use. At the same time, there is a lack of sliding support structure during the insertion and heat shrinking process, which makes the surface of the heat shrink tube easily affected by the friction of the inner wall of the heat shrink cavity, affecting the surface of the heat shrink tube. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a heat shrink tube heat shrink device, which solves the problem that the heat shrink tube heat shrink device needs to pass the heat shrink tube into a heat shrink cavity, which makes local heat shrinkage more troublesome and lacks flexibility in use. At the same time, there is a lack of sliding support structure during the passing and heat shrinking process, which makes the surface of the heat shrink tube easily affected by the friction of the inner wall of the heat shrink cavity, thereby affecting the surface of the heat shrink tube.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a heat shrink device for heat shrinkable tubes, including a box body, a placement slot is provided at the upper end of the box body, hot air chambers are provided on the front and rear sides of the placement slot, movable slots are provided at the left and right ends of the inner side of the placement slot, a two-way screw is provided at the lower end of the inner side of the movable slot, a knob is provided at the front end of the box body, a movable seat is provided on the outer side of the two-way screw, a clamping roller is provided at the upper end of the movable seat, an upper cover is provided at the upper end of the box body, a limiting slot is provided at the front end of the upper cover, a limiting block is provided on the front side of the upper end of the box body, a rotating block is provided on the upper end of the limiting block, and a limiting spring buckle is provided on the front side of the upper end of the limiting block.

[0007] Preferably, two hot air chambers are symmetrically arranged front and back, and are connected to the outside of the box body. Dustproof nets are fixedly installed on the front and back sides of the hot air chamber, and a hot air component is arranged on the inside of the hot air chamber to facilitate heating and shrinking the heat shrink tube.

[0008] Preferably, two knobs are symmetrically arranged on the left and right sides and are rotatably connected to the surface of the box body. The rear end of the knob extends to the inner side of the movable groove and is fixedly connected to the front end of the bidirectional screw. The rear end of the bidirectional screw is rotatably connected to the inner side of the movable groove, which facilitates the control of the rotation of the bidirectional screw.

[0009] Preferably, two movable seats are located on the inner side of the movable groove and are symmetrically arranged front to back, and are slidably connected to the inner side of the movable groove. The lower end of the movable seat is threadedly connected to the surface of the bidirectional screw. The clamping roller is located at one end of the two movable seats that are close to each other and are symmetrically arranged front to back. The upper and lower ends of the clamping roller are rotatably connected to the movable seat, which is convenient for controlling the spacing between the clamping rollers and providing sliding support for the two ends of the heat shrink tube with different thicknesses.

[0010] Preferably, the rear end of the upper cover and the side of the box body are rotatably connected via a hinge, a handle is fixedly installed on the right side of the upper end of the upper cover, and an observation window is provided on the surface of the upper cover on the left side of the handle to facilitate the movement of the box body and observation of heat shrinkage.

[0011] Preferably, two of the limit grooves and limit blocks are symmetrically arranged on the left and right, the limit block and the inner side of the limit groove are adapted to each other, the lower end of the limit block is fixedly connected to the box body, the rotating block is rotatably connected to the upper end of the limit block, and is adapted to the inner side of the limit groove, so as to facilitate the closing and locking of the upper cover.

[0012] Preferably, a spring-clip groove is provided on the surface of the limit block, the lower end of the limit spring-clip is slidably connected to the inner side of the spring-clip groove, and is elastically connected to the inner side of the spring-clip groove through a spring, the upper end of the limit spring-clip extends to the outer side of the spring-clip groove, and is designed as a spherical structure, the lower end of the rotating block and the upper end of the limit spring-clip are connected by a groove snap-fit ​​connection, thereby realizing the limitation of the rotating block and facilitating the opening of the upper cover. Beneficial Effects

[0013] The utility model provides a heat shrinking device for heat shrinkable tubes. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The heat shrink device for heat shrinkable tubes is provided with a placement groove, a movable groove, a bidirectional lead screw, a knob, a movable seat, and a clamping roller. The heat shrinkable tube to be heat shrunk is placed in the placement groove, and the bidirectional lead screw is driven to rotate by turning the knob, so that the movable seat slides inside the movable groove, and the clamping rollers are driven to approach each other, and the two ends of the heat shrinkable tube are clamped, thereby realizing sliding support for the heat shrinkable tube and avoiding friction between the heat shrinkable tube and the device.

[0015] 2. The heat shrinking device for heat shrinkable tubes is provided with a hot air chamber, a clamping roller, an upper cover, a handle, an observation window, a limit groove, a limit block, and a rotating block. The upper cover is rotated until the limit groove is sleeved on the outside of the limit block, and the rotating block is rotated until it is misaligned with the limit groove to achieve limit fixation of the upper cover, and the hot air component in the hot air chamber is opened. The box body is driven to move by the handle, and the clamping roller is rotated in coordination. The staff can observe the condition of the heat shrinkable tube through the observation window to achieve full heat shrinkage of the long section of heat shrinkable tube.

[0016] 3. The heat shrinking device for the heat shrinkable tube is configured so that after the heat shrinking is completed, the rotating block, the limit spring buckle and the spring buckle groove are rotated. By rotating the rotating block until it is aligned with the spring buckle groove, the limit spring buckle pops out under the action of the spring and engages with the groove at the lower end of the rotating block, thereby limiting the rotating block and facilitating the opening of the upper cover and the removal of the heat shrinkable tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 .

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0019] Figure 3 It is a front view structural schematic diagram of the utility model.

[0020] Figure 4 It is a schematic diagram of the half-section structure of the utility model in the AA direction.

[0021] In the figure: 1. box body; 2. placement slot; 3. hot air chamber; 31. dustproof net; 4. movable slot; 5. two-way screw; 6. knob; 7. movable seat; 8. clamping roller; 9. upper cover; 91. handle; 92. observation window; 10. limit slot; 11. limit block; 12. rotating block; 13. limit spring buckle; 131. spring buckle slot. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 The utility model provides a technical solution: a heat shrink device for a heat shrink tube, comprising a box body 1, a placement slot 2 is provided at the upper end of the box body 1, hot air chambers 3 are provided on the front and rear sides of the placement slot 2, two hot air chambers 3 are symmetrically arranged front and back, and are connected to the outer side of the box body 1, dustproof nets 31 are fixedly installed on the front and rear sides of the hot air chamber 3, a hot air component is provided on the inner side of the hot air chamber 3, movable slots 4 are provided at the left and right ends of the inner side of the placement slot 2, a bidirectional lead screw 5 is provided at the lower end of the inner side of the movable slot 4, a knob 6 is provided at the front end of the box body 1, two knobs 6 are symmetrically arranged left and right, and are rotatably connected to the surface of the box body 1, the rear end of the knob 6 extends to the inner side of the movable slot 4, and is fixedly connected to the front end of the bidirectional lead screw 5, and the bidirectional lead screw The rear end of the lever 5 is rotatably connected to the inner side of the movable groove 4, a movable seat 7 is provided on the outer side of the bidirectional lead screw 5, a clamping roller 8 is provided on the upper end of the movable seat 7, the movable seat 7 is located on the inner side of the movable groove 4, two movable seats 7 are symmetrically provided front and back, and are slidably connected to the inner side of the movable groove 4, the lower end of the movable seat 7 is threadedly connected to the surface of the bidirectional lead screw 5, the clamping roller 8 is located at one end of the two movable seats 7 close to each other, and is symmetrically provided front and back, the upper and lower ends of the clamping roller 8 are rotatably connected to the movable seat 7, the heat shrinkable tube to be heat shrunk is placed in the placement groove 2, the bidirectional lead screw 5 is driven to rotate by turning the knob 6, the movable seat 7 slides on the inner side of the movable groove 4, the clamping rollers 8 are driven close to each other, the two ends of the heat shrinkable tube are clamped, and the sliding support of the heat shrinkable tube is realized;

[0024] An upper cover 9 is provided at the upper end of the box body 1, and the rear end of the upper cover 9 is rotatably connected to the side of the box body 1 through a hinge, a handle 91 is fixedly installed on the right side of the upper end of the upper cover 9, and an observation window 92 is provided on the surface of the upper cover 9 located on the left side of the handle 91, a limiting groove 10 is provided at the front end of the upper cover 9, a limiting block 11 is provided on the front side of the upper end of the box body 1, and a rotating block 12 is provided at the upper end of the limiting block 11, and the limiting groove 10 and the limiting block 11 are both symmetrically provided with two, and the limiting block 11 and the inner side of the limiting groove 10 are adapted to each other, and the limiting block 11 is provided with a rotating block 12. The lower end of 1 is fixedly connected to the box body 1, the rotating block 12 is rotatably connected to the upper end of the limit block 11, and is adapted to the inner side of the limit groove 10. By rotating the upper cover 9 until the limit groove 10 is sleeved on the outer side of the limit block 11, the rotating block 12 is rotated until it is misaligned with the limit groove 10, so as to realize the limit fixation of the upper cover 9, open the hot air component in the hot air chamber 3, drive the box body 1 to move through the handle 91, and the clamping roller 8 rotates in coordination. The staff can observe the condition of the heat shrink tube through the observation window 92, so as to realize the full heat shrinkage of the long section of the heat shrink tube;

[0025] A limiting spring buckle 13 is arranged on the front side of the upper end of the limiting block 11, and a spring buckle groove 131 is opened on the surface of the limiting block 11. The lower end of the limiting spring buckle 13 is slidably connected to the inner side of the spring buckle groove 131, and is elastically connected to the inner side of the spring buckle groove 131 through a spring. The upper end of the limiting spring buckle 13 extends to the outer side of the spring buckle groove 131, and is designed with a spherical structure. The lower end of the rotating block 12 and the upper end of the limiting spring buckle 13 are connected by a groove engagement. After the heat shrinkage is completed, by rotating the rotating block 12 until it is aligned with the spring buckle groove 131, the limiting spring buckle 13 pops up under the cooperation of the spring and engages with the groove at the lower end of the rotating block 12, thereby limiting the rotating block 12 and facilitating the opening of the upper cover 9 and the removal of the heat shrink tube.

[0026] The two-way lead screw 5 is rotated by turning the knob 6, so that the movable seat 7 slides inside the movable groove 4, and the clamping rollers 8 are driven to approach each other to clamp the two ends of the heat shrink tube, so as to realize the sliding support of the heat shrink tube and avoid the friction between the heat shrink tube and the device. The upper cover 9 is rotated until the limit groove 10 is sleeved on the outer side of the limit block 11, and the rotating block 12 is rotated until it is misaligned with the limit groove 10, so as to realize the limit fixation of the upper cover 9, open the hot air component in the hot air chamber 3, drive the box body 1 to move by the handle 91, and the clamping roller 8 rotates in coordination. The staff can observe the situation of the heat shrink tube through the observation window 92, so as to realize the full heat shrinkage of the long section of the heat shrink tube. After the heat shrinkage is completed, the rotating block 12 is rotated until it is aligned with the spring buckle groove 131, and the limit spring buckle 13 pops out under the cooperation of the spring, and engages with the groove at the lower end of the rotating block 12, so as to realize the limit of the rotating block 12, and facilitate the opening of the upper cover 9 and the removal of the heat shrink tube.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] 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 heat shrink tube heat shrink device, comprising a box body (1), characterized in that: A placement slot (2) is provided at the upper end of the box body (1), hot air chambers (3) are provided at the front and rear sides of the placement slot (2), movable slots (4) are provided at the left and right ends of the inner side of the placement slot (2), a bidirectional lead screw (5) is provided at the lower end of the inner side of the movable slot (4), a knob (6) is provided at the front end of the box body (1), a movable seat (7) is provided at the outer side of the bidirectional lead screw (5), a clamping roller (8) is provided at the upper end of the movable seat (7), an upper cover (9) is provided at the upper end of the box body (1), a limiting slot (10) is provided at the front end of the upper end of the box body (1), a limiting block (11) is provided at the front side of the upper end of the box body (1), a rotating block (12) is provided at the upper end of the limiting block (11), and a limiting spring buckle (13) is provided at the front side of the upper end of the limiting block (11).

2. A heat shrink tube heat shrink device according to claim 1, characterized in that: Two hot air chambers (3) are symmetrically arranged front and back and are connected to the outside of the box body (1). Dustproof nets (31) are fixedly installed on both the front and back sides of the hot air chamber (3), and a hot air component is arranged on the inside of the hot air chamber (3).

3. A heat shrinking device for heat shrinkable tube according to claim 1, characterized in that: The knobs (6) are provided in two symmetrical positions on the left and right sides and are rotatably connected to the surface of the box body (1). The rear end of the knob (6) extends to the inner side of the movable groove (4) and is fixedly connected to the front end of the bidirectional lead screw (5). The rear end of the bidirectional lead screw (5) is rotatably connected to the inner side of the movable groove (4).

4. A heat shrink tube heat shrink device according to claim 1, characterized in that: The movable seats (7) are located on the inner side of the movable groove (4) and are symmetrically arranged in front and back. The movable seats (7) are slidably connected to the inner side of the movable groove (4). The lower end of the movable seat (7) is threadedly connected to the surface of the bidirectional lead screw (5). The clamping roller (8) is located at one end of the two movable seats (7) close to each other and is symmetrically arranged in front and back. The upper and lower ends of the clamping roller (8) are rotatably connected to the movable seat (7).

5. A heat shrinking device for heat shrinkable tube according to claim 1, characterized in that: The rear end of the upper cover (9) and the side of the box body (1) are rotatably connected via a hinge, a handle (91) is fixedly mounted on the right side of the upper end of the upper cover (9), and an observation window (92) is provided on the surface of the upper cover (9) on the left side of the handle (91).

6. A heat shrink tube heat shrink device according to claim 1, characterized in that: The limiting groove (10) and the limiting block (11) are both symmetrically arranged in two pieces, the limiting block (11) and the inner side of the limiting groove (10) are mutually adapted, the lower end of the limiting block (11) is fixedly connected to the box body (1), and the rotating block (12) is rotatably connected to the upper end of the limiting block (11) and is mutually adapted to the inner side of the limiting groove (10).

7. A heat shrink tube heat shrink device according to claim 1, characterized in that: A snap-fastener groove (131) is provided on the surface of the limit block (11); the lower end of the limit snap-fastener (13) is slidably connected to the inner side of the snap-fastener groove (131) and is elastically connected to the inner side of the snap-fastener groove (131) via a spring; the upper end of the limit snap-fastener (13) extends to the outer side of the snap-fastener groove (131) and is designed to have a spherical structure; the lower end of the rotating block (12) and the upper end of the limit snap-fastener (13) are snap-fastened and connected via a groove.

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