Passive door and window film internal corner trimmer
By designing a passive window and door film corner trimmer, which uses a motor-driven telescopic rod to control the cutting and storage of the trimming blade, the problem of injury to users during use and storage of existing devices is solved, and safe and efficient film trimming operations are achieved.
Patent Information
- Application Number
- CN202520165981.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing door and window frame profile film application devices and inside corner trimmers pose a risk of injury to users during use and storage, and their sharp blades require protection.
A passive window and door film corner trimmer was designed, comprising a placement box, a mounting and positioning component, a lifting plate, a cutting component, and a protective structure. The cutting and storage of the trimming blade are controlled by a motor-driven telescopic rod, ensuring that the blade is enclosed by the protective frame when not in use.
It improves safety during use, prevents the trimming blade from injuring the user when not in use, and provides convenient storage and protection for the blade.
Smart Images

Figure CN223672914U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a film pasting internal corner trimmer for passive doors and windows, in particular to a film pasting internal corner trimmer for passive doors and windows. BACKGROUND
[0002] The internal corner of doors and windows refers to the internal corner area formed at the joint of the door and window frame and the wall, which is usually a concave corner formed at the intersection of the two sides of the wall around the door and window. In the process of pasting film on doors and windows, a trimmer is needed to cut and trim the excess film on the internal corner.
[0003] The existing film pasting device for door and window frame profiles (authorized publication number: CN220974684U) has the following defects: the above-mentioned film pasting device solves the problem that the protective film covering the surface of the door and window frame profile needs to be cut manually by hand in the process of pasting film on the traditional door and window frame profile, which can easily damage the surface of the door and window frame profile. However, the knife body used in the above-mentioned film pasting device and some existing internal corner trimmers is relatively sharp, and needs to be stored and protected during non-use to avoid damaging the user. Therefore, the utility model is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a film pasting internal corner trimmer for passive doors and windows to solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a film pasting internal corner trimmer for passive doors and windows, comprising a placing box, an installation positioning assembly is arranged on the placing box, fixed rods are fixed at the four corners of the top surface of the placing box, a lifting plate is slidably sleeved on the fixed rods, a reverse L-shaped block is fixed at one end of the lifting plate, a cutting assembly is arranged on the reverse L-shaped block, the cutting assembly comprises a U-shaped block which is horizontally and vertically slidably arranged at the front position of the reverse L-shaped block, a first telescopic rod is connected between the U-shaped block and the front face of the reverse L-shaped block, a reverse L-shaped plate is fixed outside the U-shaped block, an arc groove is formed in the back side of the reverse L-shaped plate, a trimming blade is adaptively arranged in the arc groove, a U-shaped shaft rod is rotatably inserted at the bottom of the trimming blade, and the U-shaped shaft rod is fixed on the U-shaped block.
[0006] Preferably, a connecting piece is fixed at the middle of the front face of the trimming blade, an installation groove is formed in the outer side of the U-shaped block, a second telescopic rod is hingedly arranged on the connecting piece, and one end of the second telescopic rod is hingedly arranged in the installation groove.
[0007] Preferably, a protection frame plate is fixed outside the U-shaped block, the protection frame plate is arranged at the outside position of the reverse L-shaped plate, a vertical L-shaped plate is arranged at the lower back side of the protection frame plate, a third telescopic rod is connected between the back panel of the vertical L-shaped plate and the back face of the protection frame plate, and a convex plate is fixed at the top of the vertical L-shaped plate.
[0008] Preferably, the fixing rod top end is connected with a top plate, a jacking rod is arranged between the lifting plate and the placing box, and the mounting and positioning assembly comprises a two-way screw rod rotatably inserted on one side in the placing box.
[0009] Preferably, a connecting rod is fixed on the other side in the placing box, U-shaped limiting plates are symmetrically arranged on the two ends of the two-way screw rod and the connecting rod, and the two U-shaped limiting plates slide through the front and back sides of the placing box.
[0010] Preferably, fixed strip plates are symmetrically arranged in the middle of the front and back sides of the placing box, clamping plates are fixed on the two ends of the fixed strip plates, the fixed strip plates are fixed with the corresponding U-shaped limiting plates, one end of the two-way screw rod is connected with a mounting motor, and the mounting motor is mounted in the placing box.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The passive door and window film internal corner trimming device is characterized in that the second telescopic rod is stretched to drive the trimming cutter to cut the film body, the second telescopic rod is retracted to drive the trimming cutter to be stored in the vertical state, the vertical L-shaped plate and the convex plate are closed to seal the trimming cutter in the protection frame plate under the contraction of the third telescopic rod, and the trimming cutter can be conveniently stored and protected. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a first three-dimensional structure schematic view of the utility model;
[0014] Figure 2 It is a second three-dimensional structure schematic view of the utility model;
[0015] Figure 3 It is a partial three-dimensional structure schematic view of the mounting and positioning assembly of the utility model;
[0016] Figure 4 It is a partial three-dimensional split structure schematic view of the cutting assembly of the utility model.
[0017] In the drawing: 1, placing box; 101, fixing rod; 102, top plate; 103, lifting plate; 104, jacking rod; 105, inverted L-shaped block; 2, two-way screw rod; 201, connecting rod; 202, U-shaped limiting plate; 203, fixed strip plate; 204, clamping plate; 3, U-shaped block; 301, first telescopic rod; 302, inverted L-shaped plate; 303, arc groove; 304, trimming cutter; 305, U-shaped shaft rod; 306, second telescopic rod; 307, mounting groove; 4, protection frame plate; 401, vertical L-shaped plate; 402, convex plate; 403, third telescopic rod. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of protection of the present utility model.
[0019] In the process of pasting film on doors and windows, a corner trimmer needs to be used. The trimmer provided by the present utility model is specially used for trimming the film on the door and window corners. Meanwhile, the trimming blade 304 is convenient for storage and protection, improving the safety of the trimmer. In the process of using the trimmer, it needs to be checked and prepared in advance, so as to ensure the normal use of the trimmer.
[0020] As shown in Figures 1-4 The present utility model provides a technical scheme: a passive door and window film corner trimmer, which comprises a placing box 1, the placing box 1 is provided with a mounting and positioning assembly, the top surface of the placing box 1 is fixed with a fixed rod 101, the fixed rod 101 is slidably sleeved with a lifting plate 103, one end of the lifting plate 103 is fixed with an inverted L-shaped block 105, the inverted L-shaped block 105 is provided with a cutting assembly, the cutting assembly comprises a U-shaped block 3 which is horizontally and vertically slidably arranged at the front position of the inverted L-shaped block 105, the U-shaped block 3 is connected with the front face of the inverted L-shaped block 105 through a first telescopic rod 301, the outer side of the U-shaped block 3 is fixed with an inverted L-shaped plate 302, the back side of the inverted L-shaped plate 302 is provided with an arc groove 303, the arc groove 303 is adaptively provided with a trimming blade 304, the bottom of the trimming blade 304 is rotatably inserted with a U-shaped shaft rod 305, and the U-shaped shaft rod 305 is fixed on the U-shaped block 3.
[0021] In the embodiments, the trimming blade 304 is fixed with a connecting piece in the middle of the front face, the outer side of the U-shaped block 3 is provided with a mounting groove 307, the connecting piece is hingedly provided with a second telescopic rod 306, one end of the second telescopic rod 306 is hingedly arranged in the mounting groove 307, the outer side of the U-shaped block 3 is fixed with a protection frame plate 4, the protection frame plate 4 is arranged at the outer side position of the inverted L-shaped plate 302, the lower back side of the protection frame plate 4 is provided with a vertical L-shaped plate 401, the back plate of the vertical L-shaped plate 401 is connected with the back face of the protection frame plate 4 through a third telescopic rod 403, and the top of the vertical L-shaped plate 401 is fixed with a convex plate 402. The trimming blade 304 is a prior art, the U-shaped block 3 moves in the horizontal position under the action of the first telescopic rod 301, and the position of the trimming blade 304 is adjusted.
[0022] In the embodiment, the top end of the fixed rod 101 is connected with a top plate 102, a jacking rod 104 is arranged between the lifting plate 103 and the placing box 1, the installation positioning assembly comprises a bidirectional screw rod 2 rotatably inserted on one side in the placing box 1, a connecting rod 201 is fixed on the other side in the placing box 1, U-shaped limiting plates 202 are symmetrically sleeved on the two ends of the bidirectional screw rod 2 and the connecting rod 201, and the two U-shaped limiting plates 202 slide through the front and back sides of the placing box 1.
[0023] In the embodiment, the middle part of the front and back sides of the placing box 1 is symmetrically provided with fixed strip plates 203, clamping plates 204 are fixed at the two ends of the fixed strip plates 203, the fixed strip plates 203 are fixed with the corresponding U-shaped limiting plates 202, one end of the bidirectional screw rod 2 is connected with an installation motor, and the installation motor is installed in the placing box 1. Through the setting of the cutting assembly, the second telescopic rod 306 is stretched to drive the trimming cutter 304 to cut the film, the second telescopic rod 306 is retracted to drive the trimming cutter to be stored in a vertical state, and the vertical L-shaped plate 401 and the convex plate 402 are retracted under the third telescopic rod 403 to close the trimming cutter in the protection frame plate 4, so that the trimming cutter 304 is conveniently stored and protected. The installation motor is a servo motor with a self-locking function in the prior art, and the first telescopic rod 301, the jacking rod 104, the second telescopic rod 306 and the third telescopic rod 403 are electric telescopic rods in the prior art.
[0024] Working principle: when the edge trimmer is used for trimming the film of the door and window, the placing box 1 is placed on the bottom frame of the door and window, the inverted L-shaped plate 302 is ensured to be attached to the front of the door and window, the third telescopic rod 403 is controlled to be stretched to open the protection frame plate 4, the second telescopic rod 306 is controlled to be stretched to open the trimming cutter 304 with the U-shaped shaft rod 305 as the axis, and the protruding part of the film is cut down.
[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended embodiments and their equivalents.
Claims
1. A passive door and window film corner trimmer comprising a placing box (1), characterized in that: The installation positioning assembly is arranged on the placing box (1), four corners of the top surface of the placing box (1) are fixedly provided with fixed rods (101), the fixed rods (101) are slidably sleeved with lifting plates (103), one end of the lifting plate (103) is fixedly provided with an inverted L-shaped block (105), the inverted L-shaped block (105) is provided with a cutting assembly, the cutting assembly comprises a U-shaped block (3) which is arranged on the front surface of the inverted L-shaped block (105) in a horizontal and vertical sliding mode, the U-shaped block (3) is connected with the front surface of the inverted L-shaped block (105) through a first telescopic rod (301), the outer side of the U-shaped block (3) is fixedly provided with an inverted L-shaped plate (302), the back surface side of the inverted L-shaped plate (302) is provided with an arc groove (303), a trimming blade (304) is arranged in the arc groove (303) in a matched mode, the bottom of the trimming blade (304) is rotatably inserted with a U-shaped shaft rod (305), and the U-shaped shaft rod (305) is fixed on the U-shaped block (3).
2. The passive door and window film corner trimmer according to claim 1, wherein: The front surface of the trimming blade (304) is fixedly provided with a connecting piece, the outer side of the U-shaped block (3) is provided with a mounting groove (307), and the second telescopic rod (306) is hingedly arranged on the connecting piece and arranged in the mounting groove (307).
3. The passive door and window film corner trimmer according to claim 2, wherein: The outer side of the U-shaped block (3) is fixedly provided with a protection frame plate (4), the protection frame plate (4) is arranged at the outer side of the inverted L-shaped plate (302), the lower back surface side of the protection frame plate (4) is provided with a vertical L-shaped plate (401), and the back surface plate of the vertical L-shaped plate (401) is connected with the back surface of the protection frame plate (4) through a third telescopic rod (403).
4. The passive door and window film corner trimmer according to claim 1, wherein: The top end of the fixed rod (101) is connected with a top plate (102), the lifting plate (103) and the placing box (1) are provided with a jacking rod (104), and the installation positioning assembly comprises a bidirectional screw rod (2) which is rotatably inserted on one side in the placing box (1).
5. The passive door and window film corner trimmer according to claim 4, wherein: The other side in the placing box (1) is fixedly provided with a connecting rod (201), the bidirectional screw rod (2) and the connecting rod (201) are symmetrically sleeved with U-shaped limiting plates (202) at both ends, and the two U-shaped limiting plates (202) are slidably penetrated through the front and back surfaces of the placing box (1).
6. The corner trimmer for passive door and window film according to claim 5, characterized in that: The front and back surfaces of the placing box (1) are symmetrically provided with fixed strip plates (203) at the middle portions, the fixed strip plates (203) are fixedly provided with clamping plates (204) at both ends, the fixed strip plates (203) are fixed with the corresponding U-shaped limiting plates (202), and one end of the bidirectional screw rod (2) is connected with a mounting motor. The mounting motor is mounted in the placing box (1).
Citation Information
Patent Citations
Film sticking device for door and window frame profile
CN220974684U