Detachable putty knife
By designing a detachable putty knife, the problems of inconvenience in carrying existing putty knives and resource waste are solved, achieving the effects of convenient disassembly and assembly and reduced production costs.
Patent Information
- Application Number
- CN202423123270.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The fixed connection between the blade and handle of existing putty knives makes them inconvenient to carry, and there is a serious waste of resources when the blade is damaged.
A detachable putty knife was designed. By setting a slot and button assembly on the handle, the putty knife blade can be detachably connected to the handle. A strong spring and a positioning plate are used to fix and remove the putty knife.
It enables easy assembly and disassembly of putty knives, reduces resource waste, and improves portability and production cost efficiency.
Smart Images

Figure CN223523389U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to putty knife technical field, specifically is detachable putty knife. BACKGROUND
[0002] Putty knife is also named scraper, and the putty knife is one of paint auxiliary material tools, which is a hand tool frequently used by paint workers, and is simple and convenient to use and can be scraped, shovelled, painted and filled, and is widely used in building construction and life.
[0003] The existing putty knife is fixedly connected with the handle, and two or three or more kinds of putty knives with different widths are often used in building decoration, which is inconvenient to carry, and the putty knife is a consumable product, and the putty knife is directly discarded after the knife body is damaged, thereby causing resource waste.
[0004] Therefore, the detachable putty knife is invented. TECHNICAL SOLUTION
[0005] The utility model discloses a detachable putty knife, which solves the problems in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The detachable putty knife comprises a handle and a putty knife plate, and the putty knife plate is detachably installed on the handle.
[0008] The bottom of the putty knife plate is provided with a knife handle, and the bottom of the knife handle is provided with a bayonet.
[0009] The top of the inner wall of the handle is provided with a slot, and the slot is connected with the knife handle.
[0010] The handle is provided with a key assembly.
[0011] The key assembly comprises a key one and a key two.
[0012] The top of the handle is provided with the key one, and the bottom of the handle is provided with the key two.
[0013] The key two is fixedly connected with a column body at one end close to the key one, the column body is fixedly provided with a positioning plate, the positioning plate is provided with a pin portion at one end close to the key one, the pin portion is fixedly connected with a thin column at one end away from the pin portion, and the thin column is fixedly connected with the key one at one end away from the pin portion.
[0014] The outer wall of the column body is connected with a strong spring, the strong spring is installed in the handle, and the pin portion extends into the inner wall of the bayonet.
[0015] In one preferred embodiment of the utility model, the handle comprises a rubber handle, a plate body, a sealing plate, a plastic part one and a plastic part two.
[0016] In a preferred embodiment of the utility model, the plate body is provided with outer ear one on both sides, the sealing plate is provided with outer ear two on both ends, the sealing plate is provided with a folding part on the bottom, the folding part is flush with the bottom of the plate body, the outer ear one is welded with the outer ear two, and the folding part is welded with the plate body.
[0017] In a preferred embodiment of the utility model, the sealing plate is provided with a sleeve part near the one end of the button one, the inner wall of the sleeve part is provided with a thin column, and the bottom of the folding part is provided with a through hole three.
[0018] In a preferred embodiment of the utility model, the sealing plate is provided with plastic part two, the plastic part two is provided with sleeve opening two near the one end of the sealing plate, the sleeve opening two is bonded on the outer wall of the sleeve part, the plastic part two is provided with recess three near the one end of the button one, and the inner side of the recess three is provided with the button one.
[0019] In a preferred embodiment of the utility model, the plate body is provided with recess one near the one end of the button two, the inner wall of the recess one is connected with a strong spring, the recess one is provided with through hole one near the one end of the button two, the middle of the through hole one is provided with a column, and the plate body and the sealing plate are provided with a slot.
[0020] In a preferred embodiment of the utility model, the plate body is provided with plastic part one, the plastic part one is provided with sleeve opening one near the one side of the recess one, the sleeve opening one is bonded with the plate body, the plastic part one is provided with recess two near the one end of the button two, the recess two is provided with the button two inside, the plastic part one is provided with through hole two in the middle, and the middle of the through hole two is provided with a column.
[0021] In a preferred embodiment of the utility model, the outer wall of the plate body, the sealing plate, plastic part one and plastic part two is bonded with a glue handle.
[0022] In a preferred embodiment of the utility model, the diameter of the thin column is smaller than the diameter of the opening of the bottom of the bayonet, and the diameter of the pin part is smaller than the diameter of the middle of the bayonet and larger than the diameter of the opening of the bottom of the bayonet.
[0023] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the utility model.
[0024] The outer ear one is welded with the outer ear two, the folding part is welded with the plate body, the plate body and the sealing plate are made of metal materials, the hardness of the handle is improved, the key assembly is convenient to install, the outer ear one and the outer ear two are arranged, the hardness of the end part of the handle is improved, the plate body and the sealing plate adopt a split structure, assembly is convenient, and production cost is reduced;
[0025] Press the key one, the key one moves the thin column to the slot position, the putty knife plate is inserted into the slot through the knife handle, the bayonet of the knife handle passes through the thin column position and abuts against the bottom position of the slot, then the key one is released, the strong spring rebounds, the strong spring abuts against the positioning plate and moves to the slot, the pin part is inserted into the inner wall of the bayonet after movement, the positioning plate abuts against the knife handle, and the putty knife plate is completely fixed.
[0026] When disassembling, the pin part is separated from the inner wall of the bayonet by pressing the key one, and then the putty knife plate can be pulled out. BRIEF DESCRIPTION OF DRAWINGS
[0027] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
[0028] Figure 1 It is a front view of the detachable putty knife;
[0029] Figure 2 It is a structure schematic view of the putty knife plate in the detachable putty knife;
[0030] Figure 3 It is a top view of the plate body in the detachable putty knife;
[0031] Figure 4 It is a top view of the sealing plate in the detachable putty knife;
[0032] Figure 5 It is a sectional view of the handle in the detachable putty knife;
[0033] Figure 6 It is a schematic view of the internal structure in the detachable putty knife;
[0034] Figure 7 It is a structure schematic view of the key assembly in the detachable putty knife.
[0035] In the figure: handle 100, glue handle 110, plate body 120, outer ear 121, groove 122, through hole 123, slot 124, sealing plate 130, outer ear 131, folding part 132, sleeve part 133, through hole 134, plastic part 140, sleeve opening 141, groove 142, through hole 143, plastic part 150, sleeve opening 151, groove 152, key assembly 160, column 161, positioning plate 162, pin part 163, thin column 164, key 165, key 166, strong spring 170, putty knife plate 200, knife handle 210, bayonet 220. DETAILED DESCRIPTION
[0036] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used to explain the present application, and cannot be understood as a limitation of the present application.
[0037] Please refer to Figures 1-7 The detachable putty knife comprises a handle 100 and a putty knife plate 200, and the handle 100 is detachably connected with the putty knife plate 200.
[0038] The bottom of the putty knife plate 200 is provided with a knife handle 210, and the bottom of the knife handle 210 is provided with a bayonet 220.
[0039] The top of the inner wall of the handle 100 is provided with a slot 124, and the slot 124 is connected with the knife handle 210.
[0040] The putty knife plate 200 is inserted into the slot 124 through the knife handle 210, so as to be connected with the handle 100, and the detachable connection effect of the putty knife plate 200 and the handle 100 is realized.
[0041] The handle 100 is provided with a key assembly 160.
[0042] The key assembly 160 comprises a key 165 and a key 166.
[0043] The top of the handle 100 is provided with the key 165, and the bottom of the handle 100 is provided with the key 166.
[0044] The key 166 is fixedly connected with a column 161 near one end of the key 165, the column 161 is fixedly provided with a positioning plate 162, the positioning plate 162 is provided with a pin part 163 near one end of the key 165, the pin part 163 is fixedly connected with a thin column 164 near one end of the key 165, and the thin column 164 is fixedly connected with the key 165 away from the pin part 163.
[0045] The outer wall of the column 161 is connected with a strong spring 170 which is installed in the handle 100; the pin part 163 extends into the inner wall of the bayonet 220;
[0046] Specifically, by pressing the key one 165, the key one 165 moves the thin column 164, the thin column 164 moves the pin part 163, the pin part 163 moves the positioning plate 162, the positioning plate 162 extrudes the strong spring 170, so that the thin column 164 moves to the position of the slot 124, the bayonet 220 of the knife handle 210 is inserted into the thin column 164 and abuts against the end position of the slot 124, then the key one 165 is released, the strong spring 170 rebounds and moves towards the slot 124 and abuts against the positioning plate 162, the pin part 163 is inserted into the inner wall of the bayonet 220, and the positioning plate 162 abuts against the knife handle 210, so that the fixing effect of the putty knife plate 200 is achieved.
[0047] The handle 100 comprises a rubber handle 110, a plate body 120, a sealing plate 130, a plastic part one 140 and a plastic part two 150.
[0048] The plate body 120 is provided with outer ears one 121 on both sides, the sealing plate 130 is provided with outer ears two 131 at both ends, the sealing plate 130 is provided with a folding part 132 at the bottom, the folding part 132 is flush with the bottom of the plate body 120, the outer ears one 121 and the outer ears two 131 are welded, and the folding part 132 is welded with the plate body 120. Specifically, the plate body 120 and the sealing plate 130 are made of metal material, which improves the hardness of the handle 100 and facilitates the installation of the key assembly 160. The outer ears one 121 and the outer ears two 131 are arranged to improve the hardness of the end of the handle 100. The plate body 120 and the sealing plate 130 adopt a split structure, which is convenient to assemble and reduces production cost.
[0049] The sealing plate 130 is provided with a sleeve part 133 near one end of the key one 165, the inner wall of the sleeve part 133 is provided with a thin column 164, and the bottom of the folding part 132 is provided with a through hole three 134.
[0050] The sealing plate 130 is provided with a plastic part two 150, the plastic part two 150 is provided with a sleeve opening two 151 near one end of the sealing plate 130, the sleeve opening two 151 is bonded to the outer wall of the sleeve part 133, the plastic part two 150 is provided with a recess three 152 near one end of the key one 165, the recess three 152 is provided with the key one 165 on the inner side, and specifically, the plastic part two 150 prevents the sealing plate 130 from leaking out of the handle 100 and has positioning effect on the key one 165.
[0051] The plate body 120 is provided with a recess one 122 near one end of the second key 166, the inner wall of the recess one 122 is connected with a strong spring 170, the recess one 122 is provided with a through hole one 123 near one end of the second key 166, the middle of the through hole one 123 is provided with a column 161, and the plate body 120 is provided with a slot 124 between the plate body 120 and the sealing plate 130, specifically, the recess one 122 has a positioning effect on the strong spring 170.
[0052] The plate body 120 is provided with a recess one 122 near one end of the second key 166, the inner wall of the recess one 122 is connected with a strong spring 170, the recess one 122 is provided with a through hole one 123 near one end of the second key 166, the middle of the through hole one 123 is provided with a column 161, and the plate body 120 is provided with a slot 124 between the plate body 120 and the sealing plate 130, specifically, the recess one 122 has a positioning effect on the strong spring 170.
[0053] The plate body 120, the sealing plate 130, the plastic piece one 140 and the plastic piece two 150 are bonded with the glue handle 110.
[0054] The diameter of the thin column 164 is smaller than the diameter of the bottom opening of the bayonet 220; the diameter of the pin part 163 is smaller than the diameter of the middle of the bayonet 220 and larger than the diameter of the bottom opening of the bayonet 220.
[0055] The working principle of the utility model is: pressing the first key 165, the first key 165 moves the thin column 164, the thin column 164 moves the pin part 163, the pin part 163 moves the positioning plate 162, the positioning plate 162 extrudes the strong spring 170, so that the thin column 164 moves to the slot 124 position;
[0056] The putty knife plate 200 is inserted into the slot 124 through the knife handle 210, the bayonet 220 of the knife handle 210 is positioned at the thin column 164, and is abutted against the bottom position of the slot 124, then the first key 165 is released, the strong spring 170 rebounds, the strong spring 170 is abutted against the positioning plate 162 and moves to the slot 124, the pin part 163 is inserted into the inner wall of the bayonet 220 after moving, the positioning plate 162 is abutted against the knife handle 210, and the complete fixing effect of the putty knife plate 200 can be realized;
[0057] When disassembling, the pin part 163 is separated from the inner wall of the bayonet 220 by pressing the first key 165, then the putty knife plate 200 can be pulled out.
[0058] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A detachable putty knife comprising a handle (100) and a putty blade (200), characterized in that: The handle (100) detachably installs the putty knife plate (200); The bottom of the putty knife plate (200) is provided with a knife handle (210), and the bottom of the knife handle (210) is provided with a bayonet (220); The top of the inner wall of the handle (100) is provided with a slot (124), and the slot (124) is connected with the knife handle (210); The handle (100) is provided with a key assembly (160); The key assembly (160) comprises a key one (165) and a key two (166); The top of the handle (100) is provided with a key one (165), and the bottom of the handle (100) is provided with a key two (166); The key two (166) is fixedly connected with a column body (161) at one end close to the key one (165), the column body (161) is fixedly provided with a positioning plate (162), the positioning plate (162) is provided with a pin portion (163) at one end close to the key one (165), the pin portion (163) is fixedly connected with a thin column (164) at one end close to the key one (165), and the thin column (164) is fixedly connected with the key one (165) at one end away from the pin portion (163); The outer wall of the column body (161) is connected with a strong spring (170), and the strong spring (170) is installed in the handle (100); The pin portion (163) extends into the inner wall of the bayonet (220).
2. The detachable putty knife of claim 1, wherein, The handle (100) comprises a rubber handle (110), a plate body (120), a sealing plate (130), a plastic part one (140) and a plastic part two (150).
3. The detachable putty knife of claim 2, wherein, The both sides of the plate body (120) are provided with outer ears one (121), the both ends of the sealing plate (130) are provided with outer ears two (131), the bottom of the sealing plate (130) is provided with a folding portion (132), the folding portion (132) is flush with the bottom of the plate body (120), the outer ears one (121) and the outer ears two (131) are welded, and the folding portion (132) and the plate body (120) are welded.
4. The putty knife of claim 3, wherein, The sealing plate (130) is provided with a sleeve portion (133) at one end close to the key one (165), the inner wall of the sleeve portion (133) is provided with the thin column (164), and the bottom of the folding portion (132) is provided with a through hole three (134).
5. The tool of claim 4, wherein: The sealing plate (130) is provided with the plastic part two (150), the plastic part two (150) is provided with a sleeve opening two (151) at one end close to the sealing plate (130), the sleeve opening two (151) is bonded to the outer wall of the sleeve portion (133), the plastic part two (150) is provided with a recess three (152) at one end close to the key one (165), and the recess three (152) is provided with the key one (165) on the inner side.
6. The detachable putty knife of claim 3, wherein, The plate body (120) is provided with a recess one (122) at one end close to the key two (166), the recess one (122) is connected with the strong spring (170) on the inner wall, the recess one (122) is provided with a through hole one (123) at one end close to the key two (166), the through hole one (123) is provided with the column body (161) in the middle, and the plate body (120) and the sealing plate (130) are provided with the slot (124).
7. The tool of claim 6, wherein: The outer wall of the plate body (120) is provided with a plastic piece one (140), the plastic piece one (140) is provided with a sleeve opening one (141) near one side of the groove one (122), the sleeve opening one (141) is bonded with the plate body (120), the plastic piece one (140) is provided with a groove two (142) near one end of the button two (166), the groove two (142) is internally provided with the button two (166), the plastic piece one (140) is provided with a through hole two (143) in the middle, and the through hole two (143) is internally provided with the column body (161).
8. The detachable putty knife of claim 2, wherein, The outer wall of the plate body (120), the sealing plate (130), the plastic piece one (140) and the plastic piece two (150) is bonded with the glue handle (110).
9. The detachable putty knife of claim 1, wherein, The diameter of the thin column (164) is smaller than the diameter of the bottom opening of the bayonet (220), and the diameter of the pin part (163) is smaller than the diameter of the middle of the bayonet (220) and larger than the diameter of the bottom opening of the bayonet (220).