Yarn hooking device with hooked needle not prone to deformation
The crochet hook with a notch groove and guide bevel design addresses deformation issues, enhancing stability and ease of use in thread hooking devices.
Patent Information
- Application Number
- CN202421020598.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-11
AI Technical Summary
Existing thread hook devices, such as those with a hook head that is bent to form a hook, are prone to deformation, leading to instability during threading and poor user experience.
A crochet hook with a notch groove design that increases thickness and structural strength, featuring a guide bevel for easy thread insertion, an inwardly concave arc transition surface, and an avoidance slope to prevent interference, along with a positioning slot for secure thread retention.
The crochet hook design enhances stability and ease of use by reducing deformation, facilitating smooth threading and secure thread retention, thereby improving user experience.
Smart Images

Figure CN222171803U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of threading tools, in particular to a thread hooking device with a hook hook that is not easily deformed. Background Art
[0002] The quilt is composed of a quilt cover and a quilt core. In order to prevent the quilt core from curling up in the quilt cover, a quilt cover fixer is disclosed in the utility model patent with patent application number 202122656508.5, which can fix the quilt corners of the quilt to prevent the quilt core from curling up in the quilt cover. At present, this quilt cover fixer has been authorized. The threading wire in this quilt cover fixer needs to be assisted by threading tools such as a thread hook when passing through the quilt; the utility model patent with patent application number 202222997182.7 discloses a method that can be used during use A puncture structure for threading that avoids the problem of a hooking part snagging the thread or the wire on a punctured textile, comprises a hollow needle tube and a hook hook, wherein the hook hook is inserted into the through hole of the hollow needle tube, and the hook hook can move relative to the hollow needle tube; however, the end of the hook hook of the above-mentioned puncture structure is bent to form a hook head, and the hook head is easily deformed by force during use; and the hook hook is limited by a wavy structure bent in the middle thereof and the inner wall of the hollow needle tube, and the wavy structure is easily deformed and tends to straighten during use, causing the hook hook to easily shake in the hollow needle tube, affecting the stable threading and resulting in a poor user experience. Utility Model Content
[0003] To solve at least one aspect of the above problems, the utility model provides a thread hook device with a crochet hook that is not easily deformed, comprising: a hollow needle tube and a crochet hook slidably mounted on the inner side of the hollow needle tube, the hollow needle tube is straight and penetrates along its own axial direction, the crochet hook slides along the axial direction of the hollow needle tube, an inclined section is provided at one end of the hollow needle tube to form a pointed portion for piercing an object at the end of the hollow needle tube, a hook groove for hooking a thread is formed at the end of the crochet hook close to the pointed portion, the hook groove is a notch groove provided on the crochet hook, and the hook groove is provided on a side of the crochet hook close to the inclined section; the thread hook device with a crochet hook that is not easily deformed, the hook groove is a notch groove provided on the crochet hook, and the hook groove part is not easily deformed; the hook groove structure with a notch groove can increase the thickness of the crochet hook design, thereby improving the structural strength of the crochet hook, and making the crochet hook not easily deformed as a whole.
[0004] Optionally, the hollow needle tube and the crochet hook are coaxially arranged, and an annular gap is formed between the inner wall of the hollow needle tube and the outer wall of the crochet hook.
[0005] Optionally, the inner diameter of the hollow needle tube is 1.01 to 1.5 times the diameter of the hook needle.
[0006] Optionally, the crochet hook is provided with a guide bevel for guiding the thread into the hook groove.
[0007] Optionally, the crochet hook is provided with a positioning slot for positioning the thread, and the positioning slot is connected to the hook slot.
[0008] Optionally, two positioning slots are symmetrically arranged, and the inner slot bottoms of the positioning slots are in an inwardly concave arc shape.
[0009] Optionally, the hook groove includes a first groove wall, a second groove wall and a transition surface, the transition surface is connected between the first groove wall and the second groove wall, and the first groove wall is formed above the second groove wall.
[0010] Optionally, the first groove wall is a first inclined surface and forms a first angle with the horizontal plane, the second groove wall is a second inclined surface and forms a second angle with the horizontal plane, the first angle is smaller than the second angle, and the transition surface is an inwardly concave arc.
[0011] Optionally, the end of the hook hook is provided with an avoidance slope corresponding to the inclined section.
[0012] Optionally, it also includes a shell, the hollow needle tube is fixedly connected to the shell, a push button is slidably provided on the shell, the end of the crochet hook away from the tip is connected to the push button, the end of the crochet hook close to the push button is bent to form an insertion rod part, the push button is provided with a slot corresponding to the insertion rod part, and a compression spring is provided between the push button and the shell.
[0013] Compared with the prior art, the utility model provides a hook hook device that is not easy to deform. The hook groove is a notch groove opened on the hook hook, and the hook groove part is not easy to deform. The hook groove structure with a notch groove can increase the thickness of the hook hook design, thereby improving the structural strength of the hook hook and making the hook hook not easy to deform as a whole. The hook hook is provided with a guide bevel for guiding the thread into the hook groove, which is convenient for clamping the thread to be threaded into the hook groove along the guide bevel, reducing the difficulty of clamping the thread and facilitating operation. The transition surface is in an inwardly concave arc shape, so that the thread body can better fit the transition surface of the hook groove and is not easy to slip out. The transition surface is an arc-shaped smooth surface, which is not easy to wear the thread body. The inner groove bottom of the positioning groove is in an inwardly concave arc shape, so that the thread better fits the positioning groove and improves the positioning effect. The end of the hook hook is provided with an avoidance bevel corresponding to the inclined section, and the avoidance bevel is annular, so as to avoid the end of the hook hook protruding out of the inclined section and to avoid interference with the inclined section piercing objects such as quilts, and the structural design is reasonable. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional diagram of the hook thread device of the utility model whose crochet hook is not easily deformed;
[0015] Figure 2It is a structural schematic diagram of the utility model when the push button of the hook thread device with the crochet hook not easily deformed is not pushed up;
[0016] Figure 3 It is a structural schematic diagram of the utility model when the push button of the hook thread device with a crochet hook that is not easily deformed is pushed upward;
[0017] Figure 4 for Figure 3 Enlarged view of the middle C part;
[0018] Figure 5 It is a cross-sectional view of the hook thread device of the utility model whose crochet hook is not easily deformed;
[0019] Figure 6 for Figure 5 Enlarged view of the middle D part;
[0020] Figure 7 for Figure 5 Enlarged view of the middle E part;
[0021] Figure 8 It is a structural schematic diagram of a crochet hook of a thread hook device of the utility model which is not easy to deform;
[0022] Fig. 9 Based Figure 8 Enlarged view of the middle F part;
[0023] Fig.10 It is a structural schematic diagram of the hook thread device slot of the utility model that the crochet hook is not easily deformed;
[0024] Fig.11 It is a schematic diagram of the structure of the crochet hook of the utility model, which is not easy to deform, when viewed from the top;
[0025] The corresponding component names of the various figure marks in the figure are: 1 is a hollow needle tube, 101 is an inclined section, 102 is a tip, 2 is a hook needle, 201 is a hook groove, 2011 is a first groove wall, 2012 is a second groove wall, 2013 is a transition surface, 202 is a guide slope, 203 is a positioning slot, 204 is an avoidance slope, 205 is a rod insertion part, 3 is a shell, 31 is an upper cover, 311 is an annular flange, 312 is an annular guide slope, 313 is a mounting groove, 314 is a mounting column, 32 is a main body, 4 is a push button, 401 is a slot, 5 is a compression spring, 6 is a dust cover, 7 is a gap, M is an inner diameter, N is a diameter, A is a first angle, and B is a second angle. DETAILED DESCRIPTION
[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0027] In the description of the present invention, it should be understood that the terms "upper" and "lower" and the like indicate positions or location relationships that are based on the positions or location relationships when the product is in normal use.
[0028] The terms "first" and "second" are used for descriptive purposes only and should not be understood 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 of the features.
[0029] See also Figure 1-Figure 11 The embodiment of the utility model provides a hook thread hooking device that is not easy to deform, comprising: a hollow needle tube 1 and a hook needle 2 slidably mounted inside the hollow needle tube 1, the hollow needle tube 1 and the hook needle 2 are both made of metal; the hollow needle tube 1 is straight and penetrates along its own axis direction, the hook needle 2 slides along the axis direction of the hollow needle tube 1, and an inclined section 101 is provided at one end of the hollow needle tube 1 to form a tip 102 for piercing an object at the end of the hollow needle tube 1, and the tip 102 is used to facilitate piercing objects such as quilts; the end of the hook needle 2 close to the tip 102 is formed There is a hook groove 201 for hooking the thread, and the hook groove 201 is a notch groove opened on the crochet needle 2, and the hook groove 201 of the notch groove is not easy to deform; the hook groove 201 is opened on the side of the crochet needle 2 close to the inclined section 101, so that the thread to be threaded can be placed into the hook groove 201 after the crochet needle 2 is pushed out; the utility model is a crochet needle that is not easy to deform, and the hook groove is a notch groove opened on the crochet needle, and the hook groove part is not easy to deform; the hook groove structure with a notch groove can increase the thickness of the crochet needle design, thereby improving the structural strength of the crochet needle and making the crochet needle not easy to deform as a whole.
[0030] See also Figure 1-Figure 6, the hollow needle tube 1 and the hook hook 2 are coaxially arranged, and an annular gap 7 is formed between the inner wall of the hollow needle tube 1 and the outer wall of the hook hook 2; the concentric arrangement makes it difficult for the hook hook 2 to touch the inner wall of the hollow needle tube 1, so that the hook hook 2 slides smoothly; the inner diameter M of the hollow needle tube 1 is 1.01 times-1.5 times the diameter N of the hook hook 2, and the inner diameter M in this embodiment is 1.25 times the diameter N; the diameter of the hook hook 2 can be slightly smaller than the inner diameter of the hollow needle tube 1, so that the diameter of the hook hook 2 can be relatively designed to be thicker, the structural strength is high, and it is not easy to deform; in actual production, the diameter of the hook hook 2 should not be designed to be too large relative to the inner diameter of the hollow needle tube 1, so as to avoid the hook hook 2 from sliding unsmoothly; the diameter of the hook hook 2 is relatively large relative to the inner diameter of the hollow needle tube The inner diameter of 1 should not be designed to be too small to avoid the hook needle 2 from shaking easily in the hollow needle tube 1; the diameter of the hook needle 2 in actual production also needs to consider factors such as processing accuracy; the hook needle 2 is provided with a guide bevel 202 for guiding the thread into the hook groove 201, so that the thread to be threaded can be inserted into the hook groove 201 along the guide bevel 202, which reduces the difficulty of thread clamping and is convenient to operate; the hook needle 2 is provided with a positioning groove 203 for positioning the thread, and the positioning groove 203 is connected with the hook groove 201. When in use, the thread is clamped into the hook groove 201, and at the same time, the extension part of the thread is clamped into the positioning groove 203 for positioning, so that the thread is not easily displaced, and the situation that the thread accidentally escapes from the hook groove is avoided, and the use is reliable.
[0031] See also Figure 8 , Fig. 9 and Fig.11 There are two symmetrical positioning slots 203, which have a good positioning effect; the inner groove bottom of the positioning slot 203 is concave arc-shaped, so that the line fits the positioning slot 203 more closely, thereby improving the positioning effect.
[0032] See also Figure 5 and Figure 6 The hook groove 201 includes a first groove wall 2011, a second groove wall 2012 and a transition surface 2013, wherein the transition surface 2013 is connected between the first groove wall 2011 and the second groove wall 2012, and the first groove wall 2011 is formed above the second groove wall 2012; the first groove wall 2011 is a first inclined surface and forms a first angle A with a horizontal plane, the second groove wall 2012 is a second inclined surface and forms a second angle B with a horizontal plane, the first angle A is smaller than the second angle B, and in this embodiment, the first angle A is 40-60 degrees, specifically 52 degrees; the second angle B is 65 -85 degrees, specifically 77 degrees, which makes it easy to insert the thread into the hook groove 201, and it is not easy to slip out after being inserted; the transition surface 2013 is an inwardly concave arc, so that the thread body can fit more closely to the transition surface 2013 of the hook groove 201, and it is not easy to slip out; and the transition surface 2013 is an arc-shaped smooth surface, which is not easy to wear the thread body; the end of the crochet hook 2 is provided with an avoidance slope 204 corresponding to the inclined section 101, and the avoidance slope 204 is annular, which prevents the end of the crochet hook 2 from protruding out of the inclined section 101, and avoids interference with the inclined section 101 piercing objects such as quilts, and the structural design is reasonable.
[0033] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 7 The hook thread device of the present crochet hook which is not easy to deform also includes a shell body 3, which is hollow cylindrical, and a detachable dust cover 6 is arranged on the shell body 3, the hollow needle tube 1 is fixedly connected to the shell body 3 by glue, and a push button 4 is slidably arranged on the shell body 3, and the push button 4 slides along or approximately along the axial direction of the shell body 3; the end of the crochet needle 2 away from the tip 102 is connected to the push button 4, and the end of the crochet needle 2 close to the push button 4 is bent to form an insertion rod portion 205, and a slot 401 corresponding to the insertion rod portion 205 is arranged on the push button 4, and a compression spring 5 is arranged between the push button 4 and the shell body 3; the shell body 3 includes an upper cover 31 and a main body 32, an annular flange 311 is arranged on the outer side wall of the upper cover 31, and an annular groove for correspondingly engaging with the annular flange 311 is arranged on the main body 32, which is easy to assemble and has low production cost; a mounting groove 313 for plugging in the bottom of the hollow needle tube 1 is arranged on the upper cover 31, and the upper cover The hook 31 is provided with an annular guide inclined surface 312 for injecting glue into the mounting groove 313, and the inner groove wall of the mounting groove 313 is fixed to the outer wall of the hollow needle tube 1 by glue; one end of the compression spring 5 is sleeved on the mounting column 314 of the upper cover 31, the compression spring is firmly installed, and the other end of the compression spring 5 is against the push button 4; the method of using the present thread hook is as follows: first, the tip of the hook needle 2 pierces the quilt and other objects, and after piercing, the push button is pushed up, and the push button drives the hook needle 2 to slide upward synchronously, so that the hook groove 201 is exposed on the inclined section 101. At this time, the wire or coil to be threaded is inserted into the hook groove 201, and then the push button is released, and the push button and the hook needle 2 are driven to reset downward by the elastic force of the compression spring 5, and then the tip of the hook needle 2 is pulled out of the quilt and other objects. After pulling out, the push button is pushed up to take the wire body out of the hook groove, and the threading work of the wire body passing through the quilt and other objects can be completed. It is convenient to use and labor-saving.
[0034] The utility model discloses a hook thread hook device which is not easy to be deformed by a crochet hook. The hook groove is a notch groove provided on the crochet hook, and the hook groove part is not easy to be deformed. The hook groove structure with the notch groove can increase the thickness of the crochet hook design, thereby improving the structural strength of the crochet hook and making the crochet hook not easy to be deformed as a whole. The crochet hook is provided with a guide bevel for guiding the thread into the hook groove, so that the thread to be threaded can be inserted into the hook groove along the guide bevel, thereby reducing the difficulty of thread clamping and facilitating operation. The transition surface is in an inwardly concave arc shape, so that the thread body can better fit the transition surface of the hook groove and is not easy to slip out. The transition surface is an arc-shaped smooth surface, which is not easy to wear the thread body. The inner groove bottom of the positioning groove is in an inwardly concave arc shape, so that the thread better fits the positioning groove and improves the positioning effect. The end of the crochet hook is provided with an avoidance bevel corresponding to the inclined section, and the avoidance bevel is annular, so as to avoid the end of the crochet hook from protruding out of the inclined section and avoiding interference with the inclined section piercing objects such as quilts, and the structural design is reasonable.
[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A hook thread hook with a hook that is not easily deformed, comprising: A hollow needle tube (1) and a hook needle (2) slidably mounted inside the hollow needle tube (1), characterized in that the hollow needle tube (1) is straight and penetrates along its own axial direction, the hook needle (2) slides along the axial direction of the hollow needle tube (1), an inclined section (101) is provided at one end of the hollow needle tube (1) to form a tip (102) for piercing an object at the end of the hollow needle tube (1), a hook groove (201) for hooking a thread is formed at one end of the hook needle (2) close to the tip (102), the hook groove (201) is a notch groove opened on the hook needle (2), and the hook groove (201) is opened on the side of the hook needle (2) close to the inclined section (101).
2. The thread hooking device with a crochet hook that is not easily deformed as claimed in claim 1, characterized in that: The hollow needle tube (1) and the hook needle (2) are coaxially arranged, and an annular gap (7) is formed between the inner wall of the hollow needle tube (1) and the outer wall of the hook needle (2).
3. The thread hooking device with a crochet hook that is not easily deformed as claimed in claim 1, characterized in that: The inner diameter (M) of the hollow needle tube (1) is 1.01 to 1.5 times the diameter (N) of the hook needle (2).
4. The thread hooking device with a crochet hook that is not easily deformed as claimed in claim 1, characterized in that: The hook needle (2) is provided with a guide bevel (202) for guiding the thread into the hook groove (201).
5. The thread hooking device with a crochet hook that is not easily deformed as claimed in claim 1, characterized in that: The hook needle (2) is provided with a positioning slot (203) for positioning the thread, and the positioning slot (203) is communicated with the hook slot (201).
6. The thread hooking device with a crochet hook that is not easily deformed as claimed in claim 5, characterized in that: Two positioning slots (203) are symmetrically arranged, and the inner groove bottom of the positioning slot (203) is in an inwardly concave arc shape.
7. The thread hooking device with a crochet hook that is not easily deformed as claimed in claim 5, characterized in that: The hook groove (201) comprises a first groove wall (2011), a second groove wall (2012) and a transition surface (2013); the transition surface (2013) is connected between the first groove wall (2011) and the second groove wall (2012); and the first groove wall (2011) is formed above the second groove wall (2012).
8. The thread hooking device with a crochet hook that is not easily deformed as claimed in claim 7, characterized in that: The first groove wall (2011) is a first inclined surface and forms a first angle (A) with a horizontal plane, the second groove wall (2012) is a second inclined surface and forms a second angle (B) with the horizontal plane, the first angle (A) is smaller than the second angle (B), and the transition surface (2013) is an inwardly concave arc shape.
9. The thread hooking device with a crochet hook that is not easily deformed as claimed in claim 1, characterized in that: The end of the hook needle (2) is provided with an avoidance inclined surface (204) corresponding to the inclined section (101).
10. The thread hooking device with a hook needle that is not easily deformed according to any one of claims 1 to 9, characterized in that: It also includes a shell (3), the hollow needle tube (1) is fixedly connected to the shell (3), a push button (4) is slidably provided on the shell (3), the end of the hook needle (2) away from the tip (102) is connected to the push button (4), the end of the hook needle (2) close to the push button (4) is bent to form an insertion rod portion (205), the push button (4) is provided with a slot (401) corresponding to the insertion rod portion (205), and a compression spring (5) is provided between the push button (4) and the shell (3).
Citation Information
Patent Citations
Quilt cover fixer
CN216393692U
Puncture structure for threading
CN220174866U
